BOG Calculation

BOR Calculation (IMO TYPE C FUEL TANK)

o Simple Result : Hemi-Spherical Head :
주의 : 아래 IMO TYPE "C" TANK 의 BOG 계산서는 정상상태 열전도 계산 (푸리에법칙 Fourier’s law) 에 의한 열전도(Thermal Conductance) 계산을 수행 한것으로서
파도에 의한 배의 Sloshing Motion 시의 동액압에 의한 내부 열손실등은 고려 되지 않았음을 참고하시기 바랍니다.
순항적인 배에서 열손실(전달)계산의 지배방정식은 열전도(Fourier’s law 에 의한 Thermal Conductance) 가 지배적 이다고 주관적으로 판단 됩니다
배의 sloshing motion 에 의한 열손실 평가 계산을 위해서는 유동해석을 통하여 결과를 얻는 방법이 있겠습니다.

Boil-Off Rate (BOR)
The design daily BOR of LNG during laden voyage shall be less than 0.3 % of the full loaded LNG when assuming the following conditions:
- Ambient air temperature ( 대기온도 ) = +45℃
- Sea Water temperature ( 해수온도 ) = +32℃
- LNG considered as pure methane (density : 425 kg/m3, Vaporization heat : 511 kJ/kg)

mode = kid = 견적번호(10자) ; 견적명 ; DESCRIPTION ;
Tank Information for BOR Calculate			Data Input 출력폰트 설정 :
	데이타 복사 / 삭제 메뉴	Copy =	[기본 Data]
No	Description	Tank No=
	탱크 구조의 선정 (구형 또는 횡형)	HeadType =						Unit
	Content name (내용물)	CONTENTS =
1	Fuel Tank Inside Diameter	Di =						mm
2	Straight Cylinder Length ( T.L to T.L)	Lc =						mm
3	Insulation Thickness	t =						mm
4	Contents(LNG) Temperature	Ti =						℃
5	Outer Tank Surface Temperature	To =						℃
6	SPARE (사용안함)	SPARE =
7	Temperature difference △T =To-Ti	△T =						℃
8	[Design Data] Nominal Capacity (공칭용량)	Vnom =	[311.3]	[528.16]	[528.16]	[528.16]	[528.16]	m³
9	[Design Data] Net Storage Capacity (Vnom * %)	V =	[280.17]	[475.344]	[475.344]	[475.344]	[475.344]	m³
10	PolyUrethane Foam (PUF) Thermal conductivity (열전도도)	k =						W/m·℃
11	Density of Insulation material (보냉재 밀도)	ρInsu =						kg / m
12	Latent heat of vaporization of LNG(증발잠열) by P.O.S	h =						KJ/kg
13	Density of LNG (by P.O.S)	ρ =						kg/m³
14	Content Weight of LNG (총질량), F = V * ρ	F =						kg
15	(POS) Boil Off Rate per Day	BOR(POS)=						%/day
16	(Calculate) Boil Off Rate per Day BOR(day) = 24 * 3600 * 100 * Q / (h * F)	BOR(day)=	0	1	2	3	4	%/day
17	Acceptable BOR Check Calcute BOR(day) < BOR(POS)	Check =	0	1	2	3	4
18	Volume of Insulation material (보냉재 체적)	Vinsu =	0	1	2	3	4	m³
19	Insulation material Weight (보냉재 중량) Winsu = Vinsu * ρInsu	Winsu =	0	1	2	3	4	kg
20	Max. Allowable Relief Valve Setting Pressure	MARVS =						bar.g
21	MLI 진공압력에 따른 MLI 제품별 열전도율	q =	MLI 진공압력에 따른 MLI 제품별 열전도율, Thermal Conductivity = Ke (W/(m·℃))
21	MLI 방사율(Emissivity) / 진공압력 입력	CVP =						milliTorr
21	MLI 열전도도 계산조건 : MLI Reflector (Aluminium Foil) 의 방사율 : Emissivity (ε= 0.01~0.05) ε = 참고 : 방사율은 물체가 적외선 에너지를 방출하는 능력을 측정한 것 입니다 . 방출된 에너지는 물체의 온도를 나타냅니다. 방사율은 0(반짝이는 거울)부터 1.0(흑체)까지의 값을 가질 수 있습니다. 대부분의 유기물, 페인트칠 또는 산화된 표면의 방사율 값은 0.95에 가깝습니다.	MLI 종류 Ke.fabric = Ke.MLI40 = Ke.foil = Ke.FG = Ke.GB = Ke.MLInet =	W/(m·℃) 0.00018 0.00007 0.00006 0.00196 0.00068 0.00003	W/(m·℃) 0.00028 0.00012 0.00007 0.00204 0.00069 0.00008	W/(m·℃) 0.00087 0.00049 0.00017 0.00277 0.00080 0.00047	W/(m·℃) 0.00454 0.00272 0.00109 0.00740 0.00177 0.00317	W/(m·℃) 0.01035 0.00935 0.00638 0.01445 0.00762 0.00818	mW/(m·℃) 추천 추천
21	Heat Flux 계산 결과 (논문 Equation)	q =	MLI 일반제품 단위면적당 열손실 계산 결과 (논문에 의거), Heat Flux = q (W/m2)
22	N01 - Foil & Paper (60, 2.5, 26.6) N02 - Foil & Paper (60, 3.6, -) N03 - Foil & Paper (80, 3.8, -) (논문) Unperforated DAM with Silk-net (논문) Perforated DAM with Glass-tissue (논문) Perforated DAM with Dacron	HeatFlex q =	0.374 0.837 0.72 0.305 0.398 0.313	0.414 0.897 0.768 0.354 0.463 0.304	0.414 0.897 0.768 0.354 0.463 0.304	0.414 0.897 0.768 0.354 0.463 0.304	0.41402 0.89702 0.76802 0.35403 0.46303 0.30403	W/m2
23	자동 업데이트 데이타 = 액체온도(3=Ti) 엔탈피(11=h), 액체밀도(12=p) [ASHRAE 데이타 자동 업데이트]		CALC! [BOG 계산 실행]

1. Simple Report of BOG Calculation		[SI + Metric] [SI Only] [Metric Only]
No.	Description	TNO =	TK-001	TK-002	TK-003	TK-004	TK-005	Unit	Remark	No.
	Tank Head Type	Type =	Ell-Head	Ell-Head	Ell-Head	Ell-Head	Dish-Head	Unit	Remark	No.
	Liquid Name	Contents =	LH2	LNG	LNG	LNG	LNG	Unit	Remark	No.
1	Fuel Tank Inside Diameter	Di =	4300	6000	7000	8000	10000	mm	입력	6
2	Straight Cylinder Length ( T.L to T.L)	Lc =	20000	14680	14680	14680	14680	mm	입력	7
3	PolyUrethane Foam (PUF) Insulation Thickness	t =	500.0	400.0	400.0	300.0	300.0	mm	동성화인텍	17
4	Contents(LNG) Temperature	Ti =	-252.87	-163	-163	-163	-163	℃	입력	13
5	Outer Surface Temperature	To =	20	45	45	45	45	℃	입력	14
6	Temperature difference △T =To-Ti	△T =	272.87	208	208	208	208	℃		15
7	PolyUrethane Foam (PUF) Thermal conductivity (열전도도)	k =	0.0023	0.023	0.023	0.023	0.023	W/m·℃	SI	18
8	Storage Ratio = V / Vnom ⋅ 100	Ratio =	90.0	90.0	90.0	90.0	90.0	%	입력	22
9	Total Heat Leak(방산열량) Q = △T / R or Q = Us⋅△T⋅A	Q =	439.42	4584.65	5494.62	8480.76	11043.79	W	SI	34
10	Heat Flex(열유속) q = Q / A OR q =Us⋅△T	q =	1.2552	11.96	11.96	15.9467	15.9467	W / m²	SI	36
11	Latent heat of vaporization(증발잠열) by P.O.S	h =	443.9	511.0	511.0	511.0	511.0	KJ / kg	SI	28
12	[Design Data] Nominal Capacity (공칭용량)	Vnom =	311.26	471.62	654.75	871.94	1350.9	m³		20
13	[Design Data] Net Storage Capacity (90%)	V =	280.13	424.45	589.27	784.74	1215.81	m³	입력	21
14	Density of LNG (by P.O.S)	ρ =	71.67	425.0	425.0	425.0	425.0	kg / m³	입력	23
15	Content Weight of LNG (총질량), F = V ⋅ ρ	F =	20077	180393	250442	333517	516718	kg		49
16	(POS) Boil Off Rate per Day	BOR(POS)=	0.45	0.4	0.4	0.4	0.4	%/day		50
17	(Calculate) Boil Off Rate per Day BOR(day) = 24⋅3600⋅100 ⋅ Q / (h ⋅ F)	BOR(day)=	0.426	0.4297	0.371	0.4299	0.3614	%/day		51
18	Check, Calcute BOR(day) < BOR(POS)	CHECK =	OK.	NG!	OK.	NG!	OK.			52
19	Max. Allowable Relief Valve Setting Pressure	MARVS =	4.0	4.0	4.0	4.0	4.0	bar.g	입력	24
20	Rated Holding Time (정격유지시간)	RHT =	40 days	38 days	44 days	38 days	45 days	days		55
21	Volume of Insulation material (보냉재 체적)	Vinsu =	207.93	226.15	295.19	313.83	568.19	m³		61
22	Insulation material Weight (보냉재 중량) Winsu = Vinsu ⋅ ρInsu	Winsu =	9.357	9.046	11.808	12.553	22.728	ton		63
2. Detail Report of BOG Calculation		[SI + Metric] [SI Only] [Metric Only]
No.	Description	TNO =	TK-001	TK-002	TK-003	TK-004	TK-005	Unit	Remark	No.
	Tank Head Type	Type =	Ell-Head	Ell-Head	Ell-Head	Ell-Head	Dish-Head	Unit	Remark	No.
	Liquid Name	Contents =	LH2	LNG	LNG	LNG	LNG	Unit	Remark	No.
1	Fuel Tank Inside Diameter	Di =	4300	6000	7000	8000	10000	mm	입력	6
2	Straight Cylinder Length ( T.L to T.L)	Lc =	20000	14680	14680	14680	14680	mm	입력	7
3	Outside diameter after insulation	Do =	5300	6800	7800	8600	10600	mm		8
4	Inner Radius	Ri =	2150	3000	3500	4000	5000	mm		9
5	Outer Radius after insulation	Ro =	2650	3400	3900	4300	5300	mm		10
6	Logarithmic mean radius (대수평균반경) Rm = (Ro-Ri) / LN(Ro/Ri)	Rm =	2391.3	3195.8	3696.4	4148.2	5148.5	mm		11
7	Surface Area by mean radius A = π⋅[4⋅Rm² + (2⋅Rm⋅Lc)] / 1000²	A =	350.08	383.33	459.42	531.82	692.55	m²		12
8	Contents(LNG) Temperature	Ti =	-252.87	-163	-163	-163	-163	℃	입력	13
9	Outer Surface Temperature	To =	20	45	45	45	45	℃	입력	14
10	Temperature difference △T =To-Ti	△T =	272.87	208	208	208	208	℃		15
11	SPARE (사용안함)	Spare =	20	45	45	45	45			16
12	PolyUrethane Foam (PUF) Insulation Thickness	t =	500.0	400.0	400.0	300.0	300.0	mm	동성화인텍	17
13	PolyUrethane Foam (PUF) Thermal conductivity (열전도도)	k =	0.0023	0.023	0.023	0.023	0.023	W/m·℃	SI	18
14		k =	0.00198	0.01979	0.01979	0.01979	0.01979	kcal/hr·m·℃	Metric	19
15	[Design Data] Nominal Capacity (공칭용량)	Vnom =	311.26	471.62	654.75	871.94	1350.9	m³		20
16	[Design Data] Net Storage Capacity (90%)	V =	280.13	424.45	589.27	784.74	1215.81	m³	입력	21
17	Storage Ratio = V / Vnom ⋅ 100	Ratio =	90.0	90.0	90.0	90.0	90.0	%	입력	22
18	Density of LNG (by P.O.S)	ρ =	71.67	425.0	425.0	425.0	425.0	kg / m³	입력	23
19	Max. Allowable Relief Valve Setting Pressure	MARVS =	4.0	4.0	4.0	4.0	4.0	bar.g	입력	24
20	Latent heat of vaporization(증발잠열) by P.O.S	h =	443.9	511.0	511.0	511.0	511.0	KJ / kg	SI	28
21		h_metric =	106.02	122.05	122.05	122.05	122.05	kcal / kg	Metric	29
22	Thermal Resistance (열저항) R = 1/Us = t / (k ⋅ A)	R =	0.621	0.0454	0.0379	0.0245	0.0188	m²·K/W	SI	30
23		R_metric =	0.7217	0.0527	0.044	0.0285	0.0219	h·℃ / Kcal	Metric	31
24	Overall heat transfer coefficient, Us= 1/(t/k) (총괄 열전달 계수)	Us =	0.0046	0.0575	0.0575	0.0767	0.0767	W / m²·K	SI	32
25	Overall heat transfer coefficient, Us 1/(t/k) (총괄 열전달 계수)	Us =	0.004	0.0495	0.0495	0.066	0.066	kcal/hr·m²·℃	Metric	33
26	Total Heat Leak(방산열량) Q = △T / R or Q = Us⋅△T⋅A	Q =	439.42	4584.65	5494.62	8480.76	11043.79	W	SI	34
27		Q_metric =	378.09	3944.73	4727.69	7297.02	9502.31	kcal / hr	Metric	35
28	Heat Flex(열유속) q = Q / A OR q =Us⋅△T	q =	1.2552	11.96	11.96	15.9467	15.9467	W / m²	SI	36
29		q_metric =	1.08	10.2906	10.2906	13.7208	13.7208	kcal / hr·m²	Metric	37
30	Heat Leak Weight per one hour (시간당 열손실중량), Wt = 3600 ⋅ Q / h	Wt =	3.5661	32.3205	38.7356	59.787	77.8557	kg / hr		42
31	Density of LNG (by P.O.S)	ρ =	71.67	425.0	425.0	425.0	425.0	kg / m³		43
32	BOR per 24hr = Wt ⋅ 24 hrs / (V ⋅ p) ⋅ 100	BOR(day) =	0.4263	0.43	0.3712	0.4302	0.3616	wt% of 24 hours		44
33	[Design Data] Net Storage Capacity (90%)	V =	280.13	424.45	589.27	784.74	1215.81	m³		45
34	Surface Area by mean radius A = π⋅[4⋅Rm² + (2⋅Rm⋅Lc)] / 1000²	A =	350.08	383.33	459.42	531.82	692.55	m²		46
35	Total Heat Leak(방산열량) Q = △T / R or Q = Us⋅△T⋅A	Q =	439.42	4584.65	5494.62	8480.76	11043.79	W		47
36	Latent heat of vaporization(증발잠열)	h =	443900	511000	511000	511000	511000	J / kg		48
37	Content Weight of LNG (총질량), F = V ⋅ ρ	F =	20077	180393	250442	333517	516718	kg		49
38	(POS) Boil Off Rate per Day	BOR(POS)=	0.45	0.4	0.4	0.4	0.4	%/day		50
39	(Calculate) Boil Off Rate per Day BOR(day) = 24⋅3600⋅100 ⋅ Q / (h ⋅ F)	BOR(day)=	0.426	0.4297	0.371	0.4299	0.3614	%/day		51
40	Check, Calcute BOR(day) < BOR(POS)	CHECK =	OK.	NG!	OK.	NG!	OK.			52
41	Leakage Weight per Day, W_loss = F ⋅ BOR / 100	W_loss =	85.53	775.17	929.03	1433.93	1867.29	kg/day		53
42	Leakage Volume per Day, V_loss = W_loss / ρ	V_loss=	1.1934	1.8239	2.186	3.3739	4.3936	m³/day		54
43	Rated Holding Time (정격유지시간)	RHT =	40 days	38 days	44 days	38 days	45 days	days		55
44	LNG Net Storage Capacity (90%)	V =	280.13	424.45	589.27	784.74	1215.81	m³		59
45	LNG Liquid Weight (액체 중량) wContent = F / 1000	wContent =	20.077	180.393	250.442	333.517	516.718	ton		60
46	Volume of Insulation material (보냉재 체적)	Vinsu =	207.93	226.15	295.19	313.83	568.19	m³		61
47	Density of Insulation material (보냉재 밀도)	ρInsu =	45.0	40.0	40.0	40.0	40.0	kg/m³		62
48	Insulation material Weight (보냉재 중량) Winsu = Vinsu ⋅ ρInsu	Winsu =	9.357	9.046	11.808	12.553	22.728	ton		63
49	Coefficient of thermal expansion of steel plate α = 1.15×10^-5 [/℃]	α =	1.53E-5	1.53E-5	1.53E-5	1.53E-5	1.53E-5			64
50	(at Operating 수축후) Cold Diameter, Dcold = Di × [1 - α×△T]	Dcold =	4286.5 (-13.5)	5985.6 (-14.4)	6983.3 (-16.7)	7980.9 (-19.1)	9976.1 (-23.9)	mm		65
51	(at Operating 수축후) Cold Length, Lcold = Lc × [1 - α×△T]	Hcold =	19937.0 (-63.0)	14645.0 (-35.0)	14645.0 (-35.0)	14645.0 (-35.0)	14645.0 (-35.0)	mm		66
52	(공칭용량 - 수축고려) Nominal Capacity Vnom_cold = π × Dcold² / 4 × Lcold	Vnom_cold =	308.33	468.23	650.08	865.71	1341.24	m³		67
53	(저장용량 - 수축고려) Storage Capacity	Vnet_cold =	277.5	421.41	585.07	779.14	1207.12	m³		68

Product Linear Temperature Expansion Coefficient - α - (10^-6 m/(m ℃)) [ASME SEC. II Part D Table TE-1] Google
Carbon Steel : 10.8 ~ 12.5 × 10^-6 (mm/mm/℃)
Steel Stainless Austenitic (304) : 17.3 × 10^-6 (mm/mm/℃)
Steel Stainless Austenitic (310) : 14.4 × 10^-6 (mm/mm/℃)
Steel Stainless Austenitic (316) : 15.3 × 10^-6 (mm/mm/℃)

1. Tank No : [TK-001]　　 Head Type : [Ell-Head]　　 Content : [LH2]
3. Rated Holding Time Calculation (정격유지시간 Holding Time 의 계산)

	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
#.	Temp. ℃	absolute Pressure (kPa)	Density kg/m³ Liquid	Volume m³/kg Vapor	Enthalpy kJ/(kg·K) Liquid	Enthalpy kJ/(kg·K) Vapor	Entropy kJ/(kg·K) Liquid	Entropy kJ/(kg·K) Vapor	Specific Heat cp, kJ/(kg·K) Liquid	Specific Heat cp, kJ/(kg·K) Vapor	cp /cv kJ/(kg·K) Vapor	Velocity of Sound m/s Liquid	Velocity of Sound m/s Vapor	Viscosity, of Sound μPa·s Liquid	Viscosity, of Sound μPa·s Vapor	Thermal Cond., mW/(m·K) Liquid	Thermal Cond., mW/(m·K) Vapor	Surface Tension, mN/m
	-252.87	101.32	70.8	0.74656	-254.4	189.5	8.009	29.96	9.66	12.23	1.853	1099	354.1	13.3	1.07	103.4	17.01	1.913
Goal	-252.87	101.32	70.8	0.7466	-254.4	189.5	8.009	29.96	9.66	12.23	1.853	1099	354.1	13.3	1.07	103.4	17.01	1.91	RHT TEST START TEMPERATURE (AFTER INITIAL FILLING.)
	-252.65	108.18	70.54	0.70371	-252.2	190.8	8.114	29.776	9.81	12.33	1.864	1091	355.3	13.1	1.09	103.7	17.25	1.873

RHT : Rated Holding Time 49 CFR § 178.338-9 - Holding time. - Legal Information Institute
Tank 내 온도 및 압력이 충분히 안정화 된 시점 부터 Counting 시작 조건 (When, LNG Temperature : -161.48 ℃, Pressure : 101.33 kPa)

4. ASHRAE METHANE(CH4) Property [SI UNIT]

#.	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
#.	온도	절대 압력	Liquid 밀도	Vapor 비체적	Liquid 엔탈피	Vapor 엔탈피	Liquid 엔트로피	Vapor 엔트로피	Liquid 비열	Vapor 비열	cp /cv	Liquid 음속	Vapor 음속	Liquid 점도	Vapor 점도	Liquid 열전도도	Vapor 열전도도	표면장력
#.	Temp. ℃	absolute Pressure (kPa)	Density kg/m³ Liquid	Volume m³/kg Vapor	Enthalpy kJ/(kg·K) Liquid	Enthalpy kJ/(kg·K) Vapor	Entropy kJ/(kg·K) Liquid	Entropy kJ/(kg·K) Vapor	Specific Heat cp, kJ/(kg·K) Liquid	Specific Heat cp, kJ/(kg·K) Vapor	cp /cv kJ/(kg·K) Vapor	Velocity of Sound m/s Liquid	Velocity of Sound m/s Vapor	Viscosity, of Sound μPa·s Liquid	Viscosity, of Sound μPa·s Vapor	Thermal Cond., mW/(m·K) Liquid	Thermal Cond., mW/(m·K) Vapor	Surface Tension, mN/m
	-259.35	7.05	77.04	7.8437	-307.2	140.1	4.98	37.428	7.72	10.68	1.69	1373	305	26	0.65	75.3	10.46	3.124
	-259.15	7.90	76.87	7.1198	-305.7	141.9	5.088	37.115	7.53	10.7	1.692	1364	307	25.3	0.67	76.9	10.65	3.086
	-258.15	13.43	76.01	4.492	-298.3	150.9	5.588	35.628	7.13	10.84	1.704	1316	316.4	22.2	0.74	84.1	11.62	2.894
	-257.15	21.52	75.12	2.964	-291.1	159.5	6.051	34.295	7.3	11.01	1.72	1269	325.1	19.8	0.81	90	12.6	2.705
	-256.15	32.84	74.19	2.0392	-283.5	167.5	6.504	33.107	7.72	11.22	1.741	1224	333	17.8	0.87	94.7	13.59	2.516
	-255.15	48.07	73.22	1.4541	-275.4	175	6.958	32.042	8.26	11.46	1.767	1183	340.3	16.2	0.94	98.3	14.6	2.33
	-254.15	67.96	72.19	1.0683	-266.6	181.8	7.416	31.077	8.85	11.76	1.8	1145	346.8	14.8	1	101.1	15.64	2.146
	-253.15	93.26	71.11	0.80448	-257.2	188	7.88	30.193	9.48	12.12	1.84	1109	352.6	13.6	1.06	103	16.71	1.963
	-252.87	101.32	70.8	0.74656	-254.4	189.5	8.009	29.96	9.66	12.23	1.853	1099	354.1	13.3	1.07	103.4	17.01	1.913
Goal	-252.87	101.32	70.8	0.7466	-254.4	189.5	8.009	29.96	9.66	12.23	1.853	1099	354.1	13.3	1.07	103.4	17.01	1.91	RHT TEST START POINT (AFTER INITIAL FILLING.) 쿨다운후 내부액체 안정화후, 홀딩 타임 체크 시작 POINT
	-252.15	124.74	69.96	0.61847	-247.1	193.3	8.35	29.373	10.15	12.56	1.89	1073	357.8	12.6	1.12	104.2	17.82	1.783
	-251.65	143.05	69.35	0.54589	-241.7	195.7	8.589	28.983	10.51	12.81	1.92	1055	360.2	12.1	1.15	104.7	18.39	1.693
	-251.15	163.20	68.73	0.48372	-236.2	197.8	8.829	28.604	10.87	13.09	1.952	1036	362.3	11.6	1.18	104.9	18.98	1.605
	-250.65	185.29	68.08	0.43016	-230.5	199.7	9.071	28.235	11.26	13.39	1.989	1018	364.3	11.2	1.21	105	19.59	1.517
	-250.15	209.42	67.42	0.38378	-224.6	201.3	9.315	27.875	11.67	13.74	2.03	999	366.2	10.8	1.25	105	20.21	1.429
	-249.65	235.70	66.72	0.3434	-218.5	202.6	9.562	27.521	12.1	14.12	2.075	979	367.9	10.4	1.28	104.9	20.86	1.342
	-249.15	264.23	66	0.30808	-212.1	203.6	9.811	27.174	12.56	14.56	2.127	959	369.4	10.1	1.32	104.7	21.53	1.256
	-248.65	295.11	65.25	0.27705	-205.5	204.4	10.064	26.832	13.06	15.04	2.185	939	370.8	9.7	1.35	104.3	22.23	1.171
	-248.15	328.45	64.47	0.24966	-198.7	204.7	10.32	26.492	13.61	15.6	2.251	918	372.1	9.4	1.39	103.8	22.95	1.086
	-247.15	402.91	62.8	0.20378	-184.2	204.4	10.843	25.82	14.87	16.96	2.414	873	374.1	8.7	1.46	102.6	24.51	0.92
	-246.15	488.49	60.97	0.16716	-168.4	202.3	11.385	25.145	16.47	18.81	2.635	825	375.5	8.1	1.54	100.9	26.25	0.757
	-245.15	586.10	58.93	0.13744	-151.2	198.1	11.954	24.454	18.61	21.44	2.948	773	376.3	7.5	1.63	98.7	28.23	0.599
	-244.15	696.73	56.6	0.11286	-132	191.3	12.56	23.727	21.7	25.45	3.426	716	376.4	6.9	1.74	96	30.57	0.445
	-243.15	821.43	53.86	0.09208	-110.2	180.6	13.223	22.933	26.73	32.31	4.238	653	375.9	6.4	1.86	92.6	33.45	0.299
	-242.15	961.49	50.48	0.07387	-84.4	164.1	13.981	22.011	36.68	46.58	5.916	582	374.8	5.8	2.04	88.3	37.31	0.161
	-241.15	1118.50	45.81	0.05667	-51	135.8	14.938	20.788	66.67	93.3	11.357	501	373.2	5.1	2.35	82.3	43.38	0.038
	-240.21	1283.80	31.36	0.03189	40.3	40.3	17.615	17.615	0	0	0	0	0	0	0	0	0	0

5. Rated Holding Time Calculation (안전밸브가 Auto Open 될때까지 걸리는 시간(Day) 의 계산)
Max. Allowable Relief Valve Setting Pressure MARVS = 4.0 (bar.g)
△H = Q ⋅ 3600 ⋅ 24 / ( LiqDensity ⋅ Vtank ⋅ 1000) (kJ/kg) : 1일간 발생되는 BOG 에 의한 변화된 엔탈피

Count	0	1	2	3	4	5	6	7	8	9	10	11
Days	온도	절대 압력	액밀도	증발잠열	방산열량	엔탈피차이	엔탈피 Liquid	엔탈피 Vapor	저장용량 변화	절대 압력	액중량	Days
Holding Time (days)	Temp. (℃)	Absolute Pressure (kPa.a)	Liquid Density (kg/m³)	Latent Heat (kJ/kg)	Q (W)	△H (kJ/kg)	hLiquid (kJ/kg)	hVap (kJ/kg)	Vtank (m³)	Absolute Pressure (bar.a)	Contents Weight (kg)	Time (days)
0	-252.87	101.32	70.800	443.900	439.422	1.891	-254.400	189.500	283.572	1.013	20077	0	RHT TEST START DAY (AFTER INITIAL FILLING.) 쿨다운후 내부액체 안정화후, 홀딩타임 체크 시작일
1	-252.68	107.22	70.576	443.129	439.118	1.884	-252.509	190.620	284.473	1.072	20077	1
2	-252.50	113.30	70.355	442.218	438.819	1.877	-250.625	191.593	285.367	1.133	20077	2
3	-252.31	119.40	70.141	441.261	438.523	1.870	-248.749	192.513	286.235	1.194	20077	3
4	-252.13	125.49	69.934	440.281	438.230	1.863	-246.879	193.402	287.084	1.255	20077	4
5	-251.96	131.83	69.718	439.264	437.951	1.856	-245.016	194.248	287.974	1.318	20077	5
6	-251.78	138.12	69.509	438.229	437.675	1.849	-243.160	195.069	288.838	1.381	20077	6
7	-251.61	144.48	69.304	437.165	437.400	1.843	-241.311	195.853	289.692	1.445	20077	7
8	-251.45	151.25	69.092	436.039	437.130	1.836	-239.469	196.570	290.584	1.512	20077	8
9	-251.28	157.97	68.886	434.900	436.862	1.829	-237.633	197.267	291.450	1.580	20077	9
10	-251.12	164.74	68.683	433.740	436.596	1.823	-235.804	197.936	292.313	1.647	20077	10
11	-250.95	171.83	68.470	432.536	436.338	1.816	-233.981	198.555	293.221	1.718	20077	11
12	-250.80	178.86	68.264	431.323	436.082	1.809	-232.165	199.158	294.106	1.789	20077	12
13	-250.64	185.88	68.063	430.096	435.827	1.803	-230.356	199.740	294.974	1.859	20077	13
14	-250.48	193.29	67.856	428.793	435.580	1.797	-228.552	200.240	295.875	1.933	20077	14
15	-250.33	200.64	67.655	427.484	435.335	1.790	-226.756	200.728	296.755	2.006	20077	15
16	-250.18	207.93	67.459	426.170	435.092	1.784	-224.966	201.204	297.615	2.079	20077	16
17	-250.03	215.56	67.252	424.792	434.854	1.778	-223.182	201.610	298.532	2.156	20077	17
18	-249.89	223.23	67.046	423.396	434.619	1.771	-221.404	201.992	299.449	2.232	20077	18
19	-249.74	230.84	66.846	421.998	434.386	1.765	-219.633	202.365	300.347	2.308	20077	19
20	-249.60	238.54	66.646	420.570	434.157	1.759	-217.868	202.702	301.246	2.385	20077	20
21	-249.46	246.41	66.444	419.090	433.935	1.753	-216.109	202.981	302.162	2.464	20077	21
22	-249.33	254.22	66.247	417.611	433.714	1.746	-214.357	203.255	303.060	2.542	20077	22
23	-249.19	261.97	66.055	416.133	433.496	1.741	-212.610	203.523	303.941	2.620	20077	23
24	-249.06	270.02	65.856	414.623	433.281	1.734	-210.870	203.753	304.862	2.700	20077	24
25	-248.92	278.16	65.656	413.101	433.069	1.728	-209.135	203.966	305.790	2.782	20077	25
26	-248.79	286.23	65.461	411.581	432.858	1.722	-207.407	204.174	306.702	2.862	20077	26
27	-248.66	294.25	65.270	410.063	432.649	1.716	-205.685	204.378	307.597	2.943	20077	27
28	-248.54	302.66	65.069	408.438	432.444	1.710	-203.968	204.469	308.548	3.027	20077	28
29	-248.41	311.07	64.871	406.803	432.241	1.704	-202.258	204.545	309.492	3.111	20077	29
30	-248.29	319.41	64.677	405.174	432.040	1.698	-200.554	204.620	310.419	3.194	20077	30
31	-248.16	327.70	64.487	403.548	431.840	1.693	-198.855	204.693	311.332	3.277	20077	31
32	-248.04	336.46	64.280	401.829	431.648	1.687	-197.162	204.666	312.333	3.365	20077	32
33	-247.92	345.22	64.076	400.106	431.459	1.680	-195.476	204.630	313.329	3.452	20077	33
34	-247.81	353.91	63.876	398.390	431.271	1.674	-193.795	204.594	314.310	3.539	20077	34
35	-247.69	362.54	63.680	396.680	431.084	1.669	-192.121	204.559	315.276	3.625	20077	35
36	-247.58	371.10	63.489	394.977	430.899	1.663	-190.452	204.525	316.227	3.711	20077	36
37	-247.46	379.61	63.301	393.280	430.715	1.657	-188.790	204.491	317.163	3.796	20077	37
38	-247.35	388.05	63.118	391.590	430.532	1.652	-187.132	204.458	318.087	3.880	20077	38
39	-247.24	396.43	62.938	389.906	430.351	1.646	-185.481	204.425	318.997	3.964	20077	39
40	-247.13	404.93	62.754	388.182	430.173	1.641	-183.834	204.348	319.928	4.049	20077	40	P > MARVS : 4 bar.g Pressure Relief Valve Automatic Open 40일 후에는 액밀도가 OO 작아지고, Liquid Level OOO mm 낮아짐 예상
41	-247.02	413.95	62.552	386.311	430.003	1.635	-182.193	204.117	320.965	4.140	20077	41
42	-246.92	422.91	62.353	384.449	429.835	1.629	-180.558	203.891	321.988	4.229	20077	42
43	-246.81	431.81	62.158	382.598	429.667	1.623	-178.929	203.668	322.997	4.318	20077	43
44	-246.71	440.63	61.967	380.755	429.501	1.618	-177.306	203.449	323.992	4.406	20077	44
45	-246.61	449.40	61.780	378.923	429.336	1.612	-175.688	203.234	324.975	4.494	20077	45
46	-246.51	458.10	61.596	377.099	429.172	1.607	-174.076	203.023	325.945	4.581	20077	46
47	-246.40	466.74	61.415	375.284	429.010	1.602	-172.469	202.815	326.904	4.667	20077	47
48	-246.30	475.32	61.238	373.478	428.848	1.596	-170.868	202.610	327.850	4.753	20077	48
49	-246.20	483.85	61.064	371.680	428.688	1.591	-169.271	202.409	328.785	4.838	20077	49
50	-246.11	492.65	60.878	369.792	428.532	1.586	-167.680	202.112	329.788	4.927	20077	50
51	-246.01	501.80	60.678	367.797	428.381	1.580	-166.095	201.702	330.876	5.018	20077	51
52	-245.92	510.88	60.481	365.814	428.231	1.574	-164.515	201.299	331.952	5.109	20077	52
53	-245.83	519.89	60.288	363.843	428.083	1.569	-162.940	200.903	333.015	5.199	20077	53
54	-245.74	528.84	60.099	361.884	427.935	1.563	-161.372	200.513	334.066	5.288	20077	54
55	-245.65	537.72	59.912	359.938	427.788	1.558	-159.808	200.129	335.105	5.377	20077	55
56	-245.56	546.54	59.729	358.002	427.643	1.553	-158.250	199.752	336.133	5.465	20077	56
57	-245.47	555.31	59.549	356.078	427.498	1.547	-156.698	199.380	337.150	5.553	20077	57
58	-245.38	564.01	59.372	354.165	427.355	1.542	-155.151	199.014	338.156	5.640	20077	58
59	-245.29	572.66	59.198	352.262	427.212	1.537	-153.608	198.654	339.151	5.727	20077	59
60	-245.20	581.25	59.026	350.370	427.070	1.532	-152.071	198.299	340.136	5.812	20077	60
61	-245.11	589.99	58.843	348.387	426.934	1.527	-150.539	197.848	341.192	5.900	20077	61
62	-245.03	598.96	58.645	346.283	426.803	1.521	-149.012	197.271	342.345	5.990	20077	62
63	-244.95	607.86	58.450	344.194	426.674	1.516	-147.490	196.703	343.486	6.079	20077	63
64	-244.87	616.69	58.259	342.119	426.545	1.510	-145.975	196.145	344.616	6.167	20077	64
65	-244.79	625.47	58.070	340.059	426.417	1.505	-144.464	195.595	345.735	6.255	20077	65
66	-244.72	634.18	57.885	338.013	426.290	1.500	-142.959	195.054	346.843	6.342	20077	66
67	-244.64	642.83	57.702	335.980	426.164	1.495	-141.459	194.521	347.941	6.428	20077	67
68	-244.56	651.42	57.522	333.961	426.039	1.490	-139.964	193.996	349.028	6.514	20077	68
69	-244.48	659.96	57.345	331.954	425.915	1.485	-138.475	193.479	350.105	6.600	20077	69
70	-244.41	668.44	57.171	329.960	425.792	1.480	-136.990	192.970	351.173	6.684	20077	70
71	-244.33	676.86	56.999	327.979	425.669	1.475	-135.511	192.468	352.230	6.769	20077	71
72	-244.25	685.22	56.830	326.010	425.547	1.470	-134.036	191.974	353.278	6.852	20077	72
73	-244.18	693.54	56.664	324.052	425.426	1.465	-132.566	191.486	354.317	6.935	20077	73
74	-244.11	702.00	56.477	321.920	425.312	1.460	-131.101	190.820	355.485	7.020	20077	74
75	-244.04	710.53	56.280	319.688	425.202	1.455	-129.641	190.048	356.730	7.105	20077	75
76	-243.97	719.00	56.086	317.474	425.092	1.449	-128.186	189.288	357.964	7.190	20077	76
77	-243.90	727.41	55.895	315.277	424.984	1.444	-126.737	188.540	359.188	7.274	20077	77
78	-243.84	735.77	55.707	313.097	424.876	1.439	-125.293	187.804	360.402	7.358	20077	78
79	-243.77	744.06	55.522	310.933	424.769	1.434	-123.854	187.079	361.605	7.441	20077	79
80	-243.70	752.29	55.339	308.786	424.662	1.428	-122.421	186.365	362.799	7.523	20077	80
81	-243.64	760.47	55.159	306.655	424.557	1.423	-120.992	185.662	363.983	7.605	20077	81
82	-243.57	768.60	54.981	304.539	424.452	1.418	-119.569	184.970	365.158	7.686	20077	82
83	-243.51	776.67	54.807	302.438	424.348	1.414	-118.150	184.287	366.323	7.767	20077	83
84	-243.44	784.68	54.634	300.352	424.244	1.409	-116.737	183.615	367.479	7.847	20077	84
85	-243.38	792.65	54.464	298.280	424.141	1.404	-115.328	182.952	368.626	7.926	20077	85
86	-243.32	800.56	54.296	296.223	424.039	1.399	-113.924	182.299	369.765	8.006	20077	86
87	-243.25	808.42	54.131	294.179	423.937	1.395	-112.524	181.655	370.895	8.084	20077	87
88	-243.19	816.24	53.968	292.149	423.837	1.390	-111.129	181.019	372.016	8.162	20077	88
89	-243.13	824.01	53.794	290.011	423.740	1.386	-109.739	180.272	373.220	8.240	20077	89
90	-243.08	831.74	53.596	287.646	423.651	1.380	-108.354	179.292	374.598	8.317	20077	90
91	-243.02	839.42	53.401	285.303	423.563	1.375	-106.973	178.329	375.966	8.394	20077	91
92	-242.97	847.04	53.209	282.980	423.475	1.370	-105.599	177.381	377.324	8.470	20077	92
93	-242.91	854.60	53.019	280.678	423.388	1.364	-104.229	176.449	378.673	8.546	20077	93
94	-242.86	862.12	52.832	278.395	423.302	1.359	-102.865	175.530	380.012	8.621	20077	94
95	-242.81	869.58	52.648	276.132	423.216	1.354	-101.505	174.627	381.341	8.696	20077	95
96	-242.75	876.99	52.466	273.887	423.131	1.349	-100.151	173.737	382.662	8.770	20077	96
97	-242.70	884.35	52.287	271.662	423.046	1.345	-98.801	172.860	383.973	8.843	20077	97
98	-242.65	891.66	52.110	269.454	422.962	1.340	-97.457	171.997	385.276	8.917	20077	98
99	-242.60	898.92	51.936	267.264	422.879	1.335	-96.117	171.146	386.570	8.989	20077	99
100	-242.55	906.13	51.764	265.091	422.796	1.330	-94.782	170.309	387.855	9.061	20077	100
101	-242.49	913.30	51.594	262.935	422.713	1.326	-93.452	169.483	389.132	9.133	20077	101
102	-242.44	920.42	51.426	260.796	422.631	1.321	-92.126	168.669	390.401	9.204	20077	102
103	-242.39	927.49	51.261	258.673	422.550	1.317	-90.805	167.867	391.661	9.275	20077	103
104	-242.34	934.52	51.097	256.566	422.469	1.312	-89.489	167.077	392.913	9.345	20077	104
105	-242.29	941.50	50.936	254.474	422.389	1.308	-88.177	166.297	394.158	9.415	20077	105
106	-242.24	948.44	50.777	252.398	422.309	1.303	-86.869	165.529	395.395	9.484	20077	106
107	-242.19	955.34	50.619	250.336	422.230	1.299	-85.565	164.771	396.624	9.553	20077	107
108	-242.15	962.14	50.459	248.233	422.152	1.295	-84.266	163.967	397.886	9.621	20077	108
109	-242.11	968.47	50.256	245.655	422.088	1.289	-82.972	162.684	399.492	9.685	20077	109
110	-242.07	974.75	50.056	243.106	422.023	1.284	-81.682	161.423	401.089	9.748	20077	110
111	-242.03	980.99	49.859	240.583	421.959	1.279	-80.398	160.185	402.677	9.810	20077	111
112	-241.99	987.17	49.664	238.088	421.896	1.274	-79.119	158.969	404.254	9.872	20077	112
113	-241.95	993.32	49.472	235.619	421.833	1.268	-77.846	157.773	405.823	9.933	20077	113
114	-241.91	999.42	49.283	233.175	421.770	1.263	-76.577	156.598	407.383	9.994	20077	114
115	-241.87	1005.47	49.096	230.756	421.708	1.258	-75.314	155.442	408.934	10.055	20077	115
116	-241.83	1011.49	48.911	228.361	421.646	1.254	-74.055	154.306	410.475	10.115	20077	116
117	-241.79	1017.46	48.729	225.990	421.585	1.249	-72.802	153.188	412.009	10.175	20077	117
118	-241.76	1023.39	48.550	223.642	421.524	1.244	-71.553	152.089	413.533	10.234	20077	118
119	-241.72	1029.28	48.372	221.317	421.464	1.239	-70.309	151.007	415.049	10.293	20077	119
120	-241.68	1035.13	48.197	219.013	421.404	1.235	-69.070	149.943	416.557	10.351	20077	120
121	-241.64	1040.93	48.024	216.732	421.344	1.230	-67.835	148.896	418.057	10.409	20077	121
122	-241.61	1046.71	47.854	214.471	421.285	1.225	-66.606	147.866	419.548	10.467	20077	122
123	-241.57	1052.44	47.685	212.232	421.226	1.221	-65.380	146.851	421.032	10.524	20077	123
124	-241.53	1058.13	47.518	210.012	421.168	1.216	-64.159	145.853	422.508	10.581	20077	124
125	-241.50	1063.79	47.354	207.812	421.110	1.212	-62.943	144.870	423.976	10.638	20077	125
126	-241.46	1069.41	47.191	205.632	421.052	1.208	-61.731	143.901	425.436	10.694	20077	126
127	-241.43	1075.00	47.031	203.471	420.995	1.203	-60.523	142.948	426.889	10.750	20077	127
128	-241.39	1080.55	46.872	201.328	420.938	1.199	-59.319	142.008	428.334	10.805	20077	128
129	-241.36	1086.06	46.715	199.203	420.881	1.195	-58.120	141.083	429.772	10.861	20077	129
130	-241.32	1091.55	46.560	197.097	420.825	1.191	-56.925	140.171	431.203	10.915	20077	130
131	-241.29	1096.99	46.407	195.007	420.769	1.187	-55.734	139.273	432.627	10.970	20077	131
132	-241.25	1102.41	46.255	192.935	420.714	1.183	-54.547	138.388	434.043	11.024	20077	132
133	-241.22	1107.79	46.106	190.880	420.659	1.179	-53.364	137.515	435.453	11.078	20077	133
134	-241.18	1113.14	45.958	188.841	420.604	1.175	-52.185	136.655	436.856	11.131	20077	134
135	-241.15	1118.45	45.811	186.818	420.549	1.171	-51.011	135.808	438.252	11.185	20077	135
136	-241.14	1120.89	45.552	183.197	420.527	1.164	-49.839	133.357	440.747	11.209	20077	136
137	-241.12	1123.28	45.296	179.637	420.505	1.158	-48.675	130.962	443.241	11.233	20077	137
138	-241.11	1125.64	45.043	176.151	420.483	1.151	-47.517	128.634	445.722	11.256	20077	138
139	-241.10	1127.98	44.795	172.736	420.462	1.145	-46.366	126.370	448.192	11.280	20077	139
140	-241.08	1130.31	44.551	169.390	420.441	1.139	-45.221	124.168	450.651	11.303	20077	140
141	-241.07	1132.61	44.310	166.109	420.420	1.132	-44.083	122.026	453.099	11.326	20077	141
142	-241.06	1134.89	44.073	162.892	420.399	1.126	-42.950	119.942	455.535	11.349	20077	142
143	-241.04	1137.15	43.840	159.737	420.378	1.120	-41.824	117.913	457.961	11.371	20077	143
144	-241.03	1139.39	43.610	156.642	420.358	1.114	-40.704	115.938	460.376	11.394	20077	144
145	-241.02	1141.61	43.383	153.604	420.337	1.108	-39.590	114.014	462.780	11.416	20077	145
146	-241.01	1143.81	43.160	150.621	420.317	1.103	-38.481	112.140	465.173	11.438	20077	146
147	-240.99	1145.99	42.940	147.693	420.297	1.097	-37.379	110.314	467.557	11.460	20077	147
148	-240.98	1148.15	42.723	144.816	420.277	1.091	-36.282	108.535	469.930	11.482	20077	148
149	-240.97	1150.30	42.509	141.990	420.258	1.086	-35.190	106.800	472.293	11.503	20077	149
150	-240.96	1152.42	42.299	139.213	420.238	1.080	-34.104	105.109	474.646	11.524	20077	150
151	-240.95	1154.53	42.091	136.483	420.219	1.075	-33.024	103.459	476.990	11.545	20077	151
152	-240.93	1156.63	41.886	133.799	420.200	1.070	-31.949	101.850	479.323	11.566	20077	152
153	-240.92	1158.70	41.684	131.159	420.181	1.065	-30.879	100.280	481.648	11.587	20077	153
154	-240.91	1160.76	41.484	128.562	420.162	1.059	-29.814	98.748	483.962	11.608	20077	154
155	-240.90	1162.80	41.288	126.007	420.143	1.054	-28.755	97.252	486.268	11.628	20077	155
156	-240.89	1164.83	41.094	123.492	420.125	1.049	-27.701	95.792	488.564	11.648	20077	156
157	-240.88	1166.84	40.902	121.017	420.106	1.044	-26.651	94.366	490.851	11.668	20077	157
158	-240.86	1168.83	40.713	118.580	420.088	1.040	-25.607	92.973	493.130	11.688	20077	158
159	-240.85	1170.81	40.527	116.180	420.070	1.035	-24.567	91.613	495.399	11.708	20077	159
160	-240.84	1172.78	40.343	113.815	420.052	1.030	-23.532	90.283	497.660	11.728	20077	160
161	-240.83	1174.72	40.161	111.486	420.034	1.025	-22.502	88.984	499.912	11.747	20077	161
162	-240.82	1176.66	39.981	109.191	420.016	1.021	-21.477	87.714	502.155	11.767	20077	162
163	-240.81	1178.58	39.804	106.928	419.999	1.016	-20.456	86.472	504.390	11.786	20077	163
164	-240.80	1180.48	39.629	104.698	419.981	1.012	-19.440	85.258	506.617	11.805	20077	164
165	-240.79	1182.38	39.457	102.499	419.964	1.007	-18.428	84.071	508.836	11.824	20077	165
166	-240.78	1184.25	39.286	100.330	419.947	1.003	-17.421	82.909	511.046	11.843	20077	166
167	-240.77	1186.12	39.117	98.191	419.930	0.998	-16.419	81.773	513.248	11.861	20077	167
168	-240.75	1187.97	38.951	96.081	419.913	0.994	-15.420	80.661	515.443	11.880	20077	168
169	-240.74	1189.81	38.786	93.998	419.896	0.990	-14.426	79.573	517.629	11.898	20077	169
170	-240.73	1191.63	38.624	91.943	419.879	0.986	-13.436	78.507	519.808	11.916	20077	170
171	-240.72	1193.44	38.463	89.915	419.862	0.982	-12.450	77.464	521.979	11.934	20077	171
172	-240.71	1195.24	38.304	87.912	419.846	0.978	-11.469	76.443	524.142	11.952	20077	172
173	-240.70	1197.03	38.147	85.934	419.830	0.973	-10.491	75.443	526.298	11.970	20077	173
174	-240.69	1198.81	37.992	83.981	419.813	0.969	-9.518	74.464	528.446	11.988	20077	174
175	-240.68	1200.57	37.839	82.052	419.797	0.966	-8.548	73.504	530.587	12.006	20077	175
176	-240.67	1202.32	37.687	80.146	419.781	0.962	-7.583	72.564	532.721	12.023	20077	176
177	-240.66	1204.06	37.538	78.264	419.765	0.958	-6.621	71.643	534.847	12.041	20077	177
178	-240.65	1205.79	37.389	76.403	419.749	0.954	-5.663	70.740	536.966	12.058	20077	178
179	-240.64	1207.50	37.243	74.564	419.734	0.950	-4.709	69.855	539.079	12.075	20077	179
180	-240.63	1209.21	37.098	72.746	419.718	0.946	-3.759	68.987	541.184	12.092	20077	180
181	-240.62	1210.90	36.955	70.949	419.703	0.943	-2.813	68.136	543.282	12.109	20077	181
182	-240.61	1212.59	36.813	69.172	419.687	0.939	-1.870	67.302	545.374	12.126	20077	182
183	-240.61	1214.26	36.673	67.415	419.672	0.935	-0.931	66.484	547.458	12.143	20077	183
184	-240.60	1215.92	36.534	65.677	419.657	0.932	0.005	65.681	549.536	12.159	20077	184
185	-240.59	1217.57	36.397	63.957	419.642	0.928	0.937	64.894	551.608	12.176	20077	185
186	-240.58	1219.21	36.261	62.256	419.627	0.925	1.865	64.121	553.672	12.192	20077	186
187	-240.57	1220.84	36.127	60.574	419.612	0.921	2.790	63.363	555.731	12.208	20077	187
188	-240.56	1222.46	35.994	58.908	419.597	0.918	3.711	62.619	557.782	12.225	20077	188
189	-240.55	1224.07	35.863	57.260	419.582	0.915	4.629	61.889	559.828	12.241	20077	189
190	-240.54	1225.67	35.732	55.629	419.567	0.911	5.544	61.173	561.867	12.257	20077	190
191	-240.53	1227.26	35.604	54.014	419.553	0.908	6.455	60.469	563.900	12.273	20077	191
192	-240.52	1228.84	35.476	52.415	419.538	0.905	7.363	59.778	565.926	12.288	20077	192
193	-240.51	1230.42	35.350	50.832	419.524	0.901	8.268	59.099	567.946	12.304	20077	193
194	-240.50	1231.98	35.225	49.264	419.510	0.898	9.169	58.433	569.961	12.320	20077	194
195	-240.50	1233.53	35.101	47.711	419.495	0.895	10.067	57.778	571.969	12.335	20077	195
196	-240.49	1235.08	34.979	46.173	419.481	0.892	10.962	57.135	573.971	12.351	20077	196
197	-240.48	1236.61	34.858	44.649	419.467	0.889	11.854	56.504	575.968	12.366	20077	197
198	-240.47	1238.14	34.738	43.140	419.453	0.886	12.743	55.883	577.958	12.381	20077	198
199	-240.46	1239.65	34.619	41.644	419.439	0.883	13.629	55.273	579.943	12.397	20077	199
200	-240.45	1241.16	34.501	40.162	419.425	0.880	14.511	54.674	581.922	12.412	20077	200

이 프로그램은 LH2(액체수소 저장탱크) 에서 CVP MLI 를 사용 할 경우의
Heat Flux 및 Thrmal Conductivity 를 계산 하는 모듈입니다. (2024년 2월 1일 송길수 이사)
This file location is : /jhb/FUNCTION_LH2_SPH.jsp

S-Tank Engineering	Heat Flux 및 Thrmal Conductivity	Page	[$CP] / [$TP]
		[AAA1]	[AAA2]
	Doc. No. : of Multi Layer Inuslation for LH2 tank	Rev. No.	[AAA4]

1. Design Condition of LH2 Tank

No	Description	Symbol	절대온도, K	섭씨 [℃]	Remark
1	LH2 Liquid Temperature (Cold)	Tc =	20.28	-252.87
2	Outside Temperature (Hot)	Th =	293.606	20.456
3	Temperature difference △T = Th - Tc	△T =	273.326	273.326
3	Mid. Point Temperature, Tavg = (Th+Tc)/2	Tavg =	156.943	-116.207
No			P, [torr]	P, milliTorr
4	Residual Gas Pressure (vacuum level)	P =	1.0×10^-4	0.1
5	Effective Emissivity ( e = 0.01 ~ 0.05 ) MLI_ASTM_C740 - C 740M - 3 page (반사율 : alumininum foil : 0.02) Emissivity of MLI shield surface, assumed equal for all layers MLI 차폐 표면의 방사율(모든 레이어에 대해 동일하다고 가정)	ε =	0.02	0.02

출처 : NASA_Cylindrical cryogenic calorimeter testing of six types of MLI_2017SCWChicago-SixTypesMLI.pdf
2. MLI Coefficients for Heat Flux Calculation


No.	MLI NAME	Cs	Cr	Cg	N (Layers)	N* Layers/cm	thickness N/N* (mm)	Remark
1	N01 - Foil & Paper (60, 2.5, 26.6)	8.95×10^-8	5.39×10^-10	1.46×10^-4	60	25.5	26.6
2	N02 - Foil & Paper (60, 3.6, -)	8.95×10^-8	5.39×10^-10	1.46×10^-4	60	36	16.6
3	N03 - Foil & Paper (80, 3.8, -)	8.95×10^-8	5.39×10^-10	1.46×10^-4	80	38	21.1	주) 아래 4.1 Eqn) 사용
4	(논문) Unperforated DAM with Silk-net	8.95×10^-8	5.39×10^-10	1.46×10^-4	40	19	21.1
5	(논문) Perforated DAM with Glass-tissue	7.3×10^-8	7.07×10^-10	1.46×10^-4	40	22.7	17.6
6	(논문) Perforated DAM with Dacron	Eqn) 4.1	4.94×10^-10	1.46×10^-4	40	14	28.6
Calculation Result		CVP, P = 1.0×10^{-4 (torr)}				방사율 e = 0.02				MLI Condition				Heat Flex Check! qTotal < 2.5 OK)
No.	MLI Name	Het Flux. q (W/m²)				Heat Flux Ratio (%)				@CVP, P	N	N*	N/N*
No.	MLI Name	q(solid)	q(rad)	q(gas)	q(total)	q(solid)	q(rad)	q(gas)	q(total)	torr	Layers	Layers/cm	mm
1	N01 - Foil & Paper (60, 2.5, 26.6)	0.315	0.06	3.725×10^-9	0.375	84	16	0	100(%)	1.0×10^-4	60	25.5	26.6	q(total) < 2.5 OK!
2	N02 - Foil & Paper (60, 3.6, -)	0.78	0.06	3.725×10^-9	0.84	92.86	7.14	0	100(%)	1.0×10^-4	60	36	16.6	q(total) < 2.5 OK!
3	N03 - Foil & Paper (80, 3.8, -)	0.677	0.045	2.794×10^-9	0.722	93.77	6.23	0	100(%)	1.0×10^-4	80	38	21.1	q(total) < 2.5 OK!
4	(논문) Unperforated DAM with Silk-net	0.216	0.09	5.122×10^-9	0.306	70.59	29.41	0	100(%)	1.0×10^-4	40	19	21.1	q(total) < 2.5 OK!
5	(논문) Perforated DAM with Glass-tissue	0.281	0.118	5.122×10^-9	0.399	70.43	29.57	0	100(%)	1.0×10^-4	40	22.7	17.6	q(total) < 2.5 OK!
6	(논문) Perforated DAM with Dacron	0.232	0.083	5.122×10^-9	0.315	73.65	26.35	0	100(%)	1.0×10^-4	40	14	28.6	q(total) < 2.5 OK!

아래 보냉재(MATERIL 7개 항목)별로 CVP(진공압력) : 1 ~ 10,000 milliTorr 까지 의 열전도도를 아래 수식에 의하여 계산합니다.
첨부 20쪽 문서 : Effective thermal conductivity of insulation materials for cryogenic LH2 storage tanks_ A review.pdf

4. Thermal Conductivity Calculation Result ( Ke, W/(m²-K) )
No.	Vacuum Pressure, P			Cold Inuslation Material Thermal Conductivity, Ke, mW/(m²-K)								Sketech
No.	(millitorr)	(torr)	(Pa, N/m²)	4. Ke.fabric	3. Ke.MLI40 추천	2. Ke.foil 추천	7. Ke.FG	5. Ke.GB	1. Ke.MLInet	6. Ke.AB	8. Ke.SOF	Sketech
1	0.001	1.0×10^-6	1.3×10^-4	0.1307	0.0700	0.0600	1.9501	0.6800	0.0300	1.7000	7.3017	출처 : 20쪽, Effective thermal conductivity of insulation materials for cryogenic LH2 storage tanks_ A review.pdf [보기]
2	0.002	2.0×10^-6	2.7×10^-4	0.1315	0.0701	0.0600	1.9502	0.6800	0.0301	1.7000	7.3034
3	0.003	3.0×10^-6	4.0×10^-4	0.1322	0.0701	0.0600	1.9503	0.6800	0.0301	1.7000	7.3050
4	0.004	4.0×10^-6	5.3×10^-4	0.1329	0.0702	0.0600	1.9503	0.6800	0.0302	1.7001	7.3067
5	0.005	5.0×10^-6	6.7×10^-4	0.1336	0.0702	0.0601	1.9504	0.6801	0.0302	1.7001	7.3084
6	0.006	6.0×10^-6	8.0×10^-4	0.1343	0.0703	0.0601	1.9505	0.6801	0.0303	1.7001	7.3101
7	0.007	7.0×10^-6	9.3×10^-4	0.1349	0.0703	0.0601	1.9506	0.6801	0.0303	1.7001	7.3117
8	0.008	8.0×10^-6	0.00107	0.1356	0.0704	0.0601	1.9507	0.6801	0.0304	1.7001	7.3134
9	0.009	9.0×10^-6	0.0012	0.1363	0.0704	0.0601	1.9508	0.6801	0.0304	1.7001	7.3151
10	0.01	1.0×10^-5	0.00133	0.1369	0.0705	0.0601	1.9509	0.6801	0.0305	1.7001	7.3168
11	0.02	2.0×10^-5	0.00267	0.1431	0.0709	0.0602	1.9517	0.6802	0.0309	1.7003	7.3335
12	0.03	3.0×10^-5	0.004	0.1487	0.0714	0.0603	1.9526	0.6804	0.0314	1.7004	7.3502
13	0.04	4.0×10^-5	0.00533	0.1538	0.0718	0.0604	1.9535	0.6805	0.0318	1.7006	7.3668
14	0.05	5.0×10^-5	0.00667	0.1584	0.0723	0.0606	1.9544	0.6806	0.0323	1.7007	7.3834
15	0.06	6.0×10^-5	0.008	0.1626	0.0727	0.0607	1.9552	0.6807	0.0328	1.7009	7.4000
16	0.07	7.0×10^-5	0.00933	0.1665	0.0732	0.0608	1.9561	0.6809	0.0332	1.7010	7.4165
17	0.08	8.0×10^-5	0.01067	0.1702	0.0737	0.0609	1.9570	0.6810	0.0337	1.7011	7.4330
18	0.09	9.0×10^-5	0.012	0.1736	0.0741	0.0610	1.9578	0.6811	0.0341	1.7013	7.4494
19	0.1	1.0×10^-4	0.01333	0.1767	0.0746	0.0611	1.9587	0.6812	0.0346	1.7014	7.4658
20	0.2	2.0×10^-4	0.02666	0.2006	0.0791	0.0622	1.9674	0.6825	0.0392	1.7028	7.6272
21	0.3	3.0×10^-4	0.04	0.2169	0.0837	0.0633	1.9761	0.6837	0.0438	1.7043	7.7846
22	0.4	4.0×10^-4	0.05333	0.2297	0.0882	0.0644	1.9848	0.6849	0.0484	1.7057	7.9379
23	0.5	5.0×10^-4	0.06666	0.2406	0.0928	0.0655	1.9934	0.6861	0.0530	1.7071	8.0874
24	0.6	6.0×10^-4	0.07999	0.2504	0.0973	0.0666	2.0021	0.6874	0.0576	1.7085	8.2333
25	0.7	7.0×10^-4	0.09333	0.2594	0.1018	0.0677	2.0107	0.6886	0.0621	1.7099	8.3755
26	0.8	8.0×10^-4	0.10666	0.2680	0.1064	0.0688	2.0194	0.6898	0.0667	1.7113	8.5144
27	0.9	9.0×10^-4	0.11999	0.2762	0.1109	0.0699	2.0280	0.6910	0.0713	1.7128	8.6499
28	1	0.001	0.13332	0.2841	0.1153	0.0710	2.0366	0.6923	0.0759	1.7142	8.7822
29	2	0.002	0.26664	0.3565	0.1598	0.0820	2.1222	0.7045	0.1213	1.7282	9.9525
30	3	0.003	0.39997	0.4244	0.2035	0.0930	2.2068	0.7167	0.1663	1.7422	10.8998
31	4	0.004	0.53329	0.4904	0.2463	0.1039	2.2904	0.7289	0.2109	1.7560	11.6824
32	5	0.005	0.66661	0.5553	0.2883	0.1149	2.3730	0.7410	0.2551	1.7697	12.3398
33	6	0.006	0.79993	0.6193	0.3296	0.1258	2.4547	0.7531	0.2989	1.7833	12.8997
34	7	0.007	0.93326	0.6824	0.3702	0.1367	2.5354	0.7652	0.3423	1.7969	13.3825
35	8	0.008	1.06658	0.7448	0.4101	0.1476	2.6152	0.7772	0.3853	1.8103	13.8030
36	9	0.009	1.1999	0.8065	0.4494	0.1585	2.6941	0.7892	0.4279	1.8236	14.1725
37	10	0.01	1.33322	0.8674	0.4880	0.1693	2.7721	0.8012	0.4701	1.8368	14.4997
38	20	0.02	2.66645	1.4419	0.8437	0.2771	3.5062	0.9192	0.8725	1.9636	16.4634
39	30	0.03	3.99967	1.9603	1.1554	0.3833	4.1656	1.0343	1.2419	2.0815	17.3798
40	40	0.04	5.3329	2.4306	1.4346	0.4879	4.7612	1.1467	1.5821	2.1914	17.9104
41	50	0.05	6.66612	2.8594	1.6889	0.5910	5.3019	1.2565	1.8965	2.2940	18.2564
42	60	0.06	7.99934	3.2518	1.9233	0.6927	5.7948	1.3641	2.1879	2.3901	18.4999
43	70	0.07	9.33257	3.6123	2.1417	0.7930	6.2462	1.4694	2.4588	2.4803	18.6806
44	80	0.08	10.66579	3.9447	2.3467	0.8918	6.6610	1.5727	2.7112	2.5651	18.8199
45	90	0.09	11.99902	4.2522	2.5404	0.9893	7.0435	1.6741	2.9470	2.6449	18.9307
46	100	0.1	13.33224	4.5373	2.7243	1.0854	7.3973	1.7736	3.1678	2.7203	19.0209
47	200	0.2	26.66448	6.5553	4.2123	1.9781	9.8758	2.6883	4.7896	3.2915	19.4445
48	300	0.3	39.99672	7.7258	5.3237	2.7624	11.2945	3.4939	5.7818	3.6570	19.5927
49	400	0.4	53.32896	8.4901	6.2143	3.4570	12.2148	4.2223	6.4526	3.9112	19.6681
50	500	0.5	66.6612	9.0283	6.9521	4.0764	12.8609	4.8911	6.9372	4.0985	19.7138
51	600	0.6	79.99344	9.4279	7.5760	4.6321	13.3401	5.5110	7.3042	4.2424	19.7444
52	700	0.7	93.32568	9.7362	8.1119	5.1337	13.7103	6.0894	7.5924	4.3564	19.7664
53	800	0.8	106.65792	9.9814	8.5777	5.5885	14.0052	6.6317	7.8250	4.4492	19.7830
54	900	0.9	119.99016	10.1811	8.9866	6.0029	14.2461	7.1420	8.0171	4.5263	19.7959
55	1,000	1	133.3224	10.3468	9.3486	6.3821	14.4468	7.6236	8.1786	4.5913	19.8062
56	2,000	2	266.6448	11.1662	11.5234	8.9302	15.4680	11.3135	9.0248	4.9338	19.8529
57	3,000	3	399.9672	11.4696	12.5428	10.3102	15.8850	13.7356	9.3858	5.0776	19.8686
58	4,000	4	533.2896	11.6277	13.1348	11.1776	16.1324	15.4554	9.6064	5.1627	19.8764
59	5,000	5	666.612	11.7248	13.5218	11.7748	16.3082	16.7411	9.7668	5.2227	19.8811
60	6,000	6	799.9344	11.7904	13.7945	12.2122	16.4469	17.7390	9.8956	5.2696	19.8843
61	7,000	7	933.2568	11.8377	13.9971	12.5473	16.5638	18.5364	10.0056	5.3087	19.8865
62	8,000	8	1066.5792	11.8735	14.1535	12.8128	16.6667	19.1880	10.1032	5.3428	19.8882
63	9,000	9	1199.9016	11.9014	14.2779	13.0289	16.7599	19.7307	10.1923	5.3737	19.8895
64	10,000	10	1333.224	11.9239	14.3793	13.2087	16.8460	20.1896	10.2750	5.4021	19.8906

Nomenclature
NASA_Cylindrical cryogenic calorimeter testing of six types of MLI_2017SCWChicago-SixTypesMLI.pdf

Symbol	Description
Q	Heat fow rate [W]
q	Heat flux [W/m²]
hfg	Heat of vaporization [J/g]
ke	Effective thermal conductivity [mW/m-K]
do	Outside diameter of test specimen [m]
di	Inside diameter of test specimen [m]
Le	Effective length of test specimen [m]
Ae	Effective heat transfer area [m²]
x	Thickness of test specimen [(do - di)/2)] [m or mm]
n	Number of layers (or layer-pairs) [-]
z	Layer density [layers/mm]

Symbol	Description
WVP	Warm vacuum pressure [torr or millitorr]
CVP	Cold vacuum pressure [torr or millitorr [Note: 1 torr = 133 Pa]]
WBT	Warm boundary temperature [K] CBT
Th	Warm boundary temperature [K]
Tc	Cold boundary temperature [K]
ΔT	Temperature difference [K]
P	Residual gas pressure (vacuum level) [torr]
α	Accommodation coeffcient [-]
ε	Effective emissivity [-]
hc	Thermal contact conductance [W/K+]
σ	Stefan-Boltzmann constant (5.67 × 10^-8) [W-m/K⁴]

Referance : FUNCTION_MATH.jsp / String PRT_LIQUID_PROP(contName)
1. Thermophysical Properties of Refrigerants (ASHRAE Chap.30 발췌)_2009년.pdf [자세히 Popup View]

No.	Name	Liquid Name	Boiling Point Temperature		Latent Heat of Vaporization 증발잠열 L = hVapor-hLiquid	Density of Liquid at Boiling Point, ρ	ASHRAE NO	Enthalpy (Vapor)	Enthalpy (Liquid)
			(℃)	(K)	(kJ/kg)	(kg/m³)		(kJ/kg)	(kJ/kg)
1	LH2	액화수소 (LH2) (Parahydrogen)	-252.80	20.35	443.9	70.8	R702p	189.5	-254.4
2	LN2	액화질소 LN2	-195.80	77.35	199.18	806.1	R728	77.16	-122.02
3	LAR	아르곤(Ar)	-185.80	87.35	161.14	1395.4	R740	43.62	-117.52
4	LOX	Liquid Oxygen 산소(O2)	-183.00	90.15	213.06	1141.2	R732	79.69	-133.37
5	LNG	LNG(CH4 Methane)	-163.00	110.15	510.83	422.4	R50	510.83	0
6	ETHYLENE	에틸렌(C2H4 Ethylene)	-103.72	154.70	482.41	567.7	R1150	482.41	0
7	ETHANE	에탄(C2H6 Ethane)	-88.58	184.47	489.49	543.8	R170	489.49	0
8	PROPYLENE	프로필렌 (Propylene )	-47.69	225.46	439.16	609.1	R1270	529.3	90.14
9	LPG	프로판 (Propane)	-42.11	231.04	425.59	580.9	R290	525.95	100.36
10	AMMONIA	암모니아 (Ammonia)	-33.33	239.82	1369.5	682	R717	1418.26	48.76
11	LCO2	액체이산화탄소 LCO2 Liquid carbon dioxide	-37.00	236.15	316.92	1101	R744	435.9	118.98
12	BUTANE	N-부탄 (N-Butane, C4-H10)	-0.49	272.66	385.71	601.3	R600	584.58	198.87

[자세히 Popup View]

2. Thermal conductivity of Insulation material (열전도도 , k)

No.	Insulation Material	SI Unit	Metric	Density	PART	REMARK (ASTM No.)
No.	Insulation Material	k [W/m·℃]	k [kcal/h·m·℃]	ρ, kg/m³	PART	REMARK (ASTM No.)
	액화수소 Liquid Hydrogen Insulation
	Perlite Vacuum Pressure = 0.01 Torr	0.0019	0.00163	65	All Vessel
	(일반적임) Perlite Vacuum Pressure = 0.05 Torr	0.0021	0.00181	65	All Vessel
	Perlite Vacuum Pressure = 0.10 Torr	0.0035	0.00301	65	All Vessel
	Perlite Vacuum Pressure = 0.5 Torr	0.06	0.0516	65	All Vessel
	Perlite Vacuum Pressure = 1.0 Torr	0.14	0.1204	65	All Vessel
	Perlite Vacuum Pressure = 760 Torr (atm)	44.00	37.833	65	All Vessel
B	MLI : Multilayer Vacuum Insulation
1	Steel Shell Plate (C/S)	45.29885	38.95	7850	Shell & Roof	???
2	PolyUrethane Foam (PUF)	0.026749	0.023	40	Shell & Roof
3	Perlite	0.044194	0.038	65	Shell & Roof
4	Resilient blanket	0.026749	0.023	17.5	Shell & Roof
5	Pre-stressed concrete	2.300414	1.978	-	Shell & Roof
6	Cellular glass	0.043031	0.037	120	Shell & Bottom
7	Perlite Concrete Block (PCB)	0.27	0.2322	1200	Bottom
8	Level Concrete	0.29075	0.25	-	Bottom
9	Cellular Glass Block	0.037216	0.032	120	Bottom
10	Dry sand	0.157	0.135	-	Bottom
11	Level concrete	0.29075	0.25	-	Bottom
12	Fiber Glass	0.040705	0.035	24	Roof Deck 상단

3. Fillm coefficient of heat transfer (경막열전달 계수, h)

No.	Insulation Material	SI Unit	Metric	Density	REMARK (ASTM No.)
No.	Insulation Material	h [W/m²·℃]	h [kcal/h·m²·℃]	ρ, kg/m³	REMARK (ASTM No.)
1	Liquid to Steel	23.26	20	-
2	Air to Steel	11.63	10	-
3	Air to concreate	11.63	10	-

Where,
보온두께, t : Insulation Thickness [m]
(총괄 열전달 계수) Overall heat transfer coefficient, Us= 1/(t/k) [W/m²·℃]
(열저항) Thermal Resistance , R = t/(k*A) [℃/W]

4. 경막 열전달 계수 [바로가기]
[ 境膜熱傳達係數 , film coefficient of heat transfer , Warmeubergangszahl ]
물체의 경계면에서 열전달을 지배하는 열전달 계수의 일종. 고체벽과 유체 사이에 열전달이 행해지는 경우의 온도 분포는,
유체가 예를 들면 난류 상태로 흐르고 있을 때는 다음 그림과 같이 벽면 가까이에 급격한 온도 기울기가 존재한다.
이것은 유체 본체에서는 벽면에 수직 방향의 유체 흐트러짐에 의해 열의 이동이 재빨리 이루어지는 데 대해서 아무리 유체 본체가
난류이더라도 벽면 가까이에서는 흐트러짐이 억제되고 벽 표면에는 층흐름 상태의 얇은 유체막이 있어서
여기를 통과하는 전도 열전달의 저항이 매우 크기 때문이다.

번호	구분	h[kcal/h·m·℃]
1	공기 가열, 냉각	1~50
2	물 가열, 냉각	200~15000
3	기름 가열, 냉각	50~1500
4	수증기 과열	20~100
5	수증기 막상 응축	4000~15000
6	수증기 방울상 응축	50000~100000
7	유기 증기 응축	1000~2000
8	물 끓음	1500~40000

5. 동성케미칼 IMO TYPE A/B/C TANK ( PUF INSULATION ) / Product Description [바로가기]

Insulation System of PUF SPRAY type applicable to LPG/LEG/LNG liquidified cargi tank

Applicable to DECK TANK due to high environmental effect resistance

Construction is easy, and easy maintenance and repair

Relatively short construction period saves costs

Fp140-40

Properties	Unit	Allowance	Test Method
Sprayed density	kg/m³	36 – 50	ASTM D1622
Compressive strength	kg/cm²	≥ 1.7	ASTM D1621
Tensile strength	kg/cm²	≥ 2.0	ISO 1926:2009
Thermal conductivity at 20°C	W/mK	≤ 0.021	ASTM C518
at 20°C aged 4 month	W/mK	≤ 0.023	ASTM C518
Dimensional stability	vol%	≤ 1	ASTM 2126
Closed cell content	%	≥ 90	ASTM D6226
Water absorption	g/100cm²	≤ 3.0	KS M 3809
Flammability	–	B2	DIN 4102, Part 1

Fp140-60

Properties	Unit	Allowance	Test Method
Sprayed density	kg/m³	50 – 56	ASTM D1622
Compressive strength	kg/cm²	≥ 2.5	ASTM D1621
Tensile strength	kg/cm²	≥ 2.8	ISO 1926:2009
Thermal conductivity at 20°C	W/mK	≤ 0.022	ASTM C518
at 20°C aged 4 month	W/mK	≤ 0.023	ASTM C518
Dimensional stability	vol%	≤ 1	ASTM 2126
Closed cell content	%	≥ 90	ASTM D6226
Water absorption	g/100cm²	≤ 4.0	KS M 3809
Flammability	–	B2	DIN 4102, Part 1