Methane saturation table by temperature

Name: Methane saturation table by temperature
Creator: Simuveliq

This table gives saturation pressure, specific volume, internal energy, enthalpy and entropy of saturated liquid and vapor for each temperature. Above you can use it interactively (switch units with SI/US, pick the pressure or go to the calculator for any point with step-by-step interpolation). Reference state: NBP: h = 0 and s = 0 for saturated liquid at the normal boiling point (1 atm).

The table as text, SI units

		Specific volume [m³/kg]		Internal energy [kJ/kg]			Enthalpy [kJ/kg]			Entropy [kJ/kg·K]
T [°C]	P_sat [kPa]	v_f	v_g	u_f	u_fg	u_g	h_f	h_fg	h_g	s_f	s_fg	s_g
−182	12.399	0.002218	3.7797	−70.311	496.78	426.47	−70.283	543.62	473.33	−0.69305	5.9640	5.2709
−180	15.901	0.002231	3.0071	−63.567	492.98	429.41	−63.532	540.75	477.22	−0.61987	5.8052	5.1853
−178	20.163	0.002245	2.4179	−56.809	489.13	432.32	−56.763	537.84	481.07	−0.54808	5.6525	5.1044
−176	25.300	0.002258	1.9634	−50.033	485.23	435.20	−49.976	534.85	484.88	−0.47761	5.5054	5.0278
−174	31.435	0.002272	1.6091	−43.240	481.29	438.05	−43.169	531.80	488.63	−0.40839	5.3636	4.9552
−172	38.698	0.002287	1.3300	−36.427	477.30	440.87	−36.339	528.68	492.34	−0.34036	5.2267	4.8863
−170	47.229	0.002301	1.1081	−29.594	473.25	443.65	−29.485	525.47	495.99	−0.27345	5.0943	4.8208
−168	57.175	0.002316	0.93018	−22.739	469.14	446.40	−22.607	522.19	499.58	−0.20763	4.9661	4.7585
−166	68.691	0.002332	0.78626	−15.862	464.96	449.10	−15.702	518.81	503.11	−0.14283	4.8419	4.6991
−164	81.936	0.002347	0.66893	−8.9608	460.72	451.76	−8.7685	515.34	506.57	−0.079007	4.7214	4.6424
−162	97.079	0.002363	0.57259	−2.0351	456.41	454.38	−1.8056	511.77	509.96	−0.016117	4.6043	4.5882
−160	114.29	0.002380	0.49291	4.9165	452.03	456.94	5.1885	508.09	513.28	0.045884	4.4904	4.5363
−158	133.76	0.002397	0.42659	11.895	447.56	459.46	12.216	504.30	516.52	0.10704	4.3795	4.4866
−156	155.65	0.002414	0.37104	18.902	443.02	461.92	19.278	500.39	519.67	0.16739	4.2714	4.4388
−154	180.17	0.002432	0.32422	25.939	438.39	464.32	26.377	496.36	522.74	0.22697	4.1659	4.3928
−152	207.50	0.002450	0.28456	33.006	433.66	466.67	33.514	492.20	525.72	0.28582	4.0628	4.3486
−150	237.84	0.002469	0.25077	40.106	428.85	468.95	40.694	487.90	528.60	0.34399	3.9619	4.3058
−148	271.39	0.002488	0.22185	47.241	423.93	471.17	47.916	483.46	531.38	0.40149	3.8630	4.2645
−146	308.35	0.002508	0.19697	54.412	418.90	473.31	55.185	478.86	534.05	0.45838	3.7661	4.2245
−144	348.93	0.002529	0.17546	61.621	413.77	475.39	62.503	474.11	536.61	0.51469	3.6710	4.1857
−142	393.33	0.002550	0.15680	68.870	408.51	477.38	69.873	469.18	539.06	0.57045	3.5775	4.1479
−140	441.77	0.002572	0.14054	76.162	403.14	479.30	77.299	464.08	541.38	0.62571	3.4854	4.1111
−138	494.45	0.002595	0.12631	83.500	397.63	481.13	84.783	458.80	543.58	0.68048	3.3947	4.0752
−136	551.61	0.002618	0.11381	90.886	391.98	482.87	92.331	453.31	545.64	0.73482	3.3053	4.0401
−134	613.43	0.002643	0.10279	98.324	386.19	484.51	99.945	447.63	547.57	0.78876	3.2168	4.0056
−132	680.16	0.002668	0.093048	105.82	380.24	486.06	107.63	441.72	549.35	0.84234	3.1294	3.9718
−130	752.01	0.002695	0.084400	113.37	374.13	487.50	115.39	435.57	550.97	0.89560	3.0428	3.9384
−128	829.20	0.002722	0.076702	120.98	367.85	488.83	123.24	429.19	552.43	0.94857	2.9569	3.9054
−126	911.96	0.002751	0.069827	128.66	361.37	490.04	131.17	422.54	553.71	1.0013	2.8715	3.8728
−124	1000.5	0.002781	0.063669	136.42	354.70	491.12	139.20	415.62	554.82	1.0538	2.7866	3.8404
−122	1095.1	0.002812	0.058137	144.25	347.81	492.06	147.33	408.39	555.73	1.1062	2.7019	3.8082
−120	1195.9	0.002845	0.053154	152.17	340.69	492.86	155.58	400.86	556.43	1.1585	2.6174	3.7759
−118	1303.3	0.002880	0.048652	160.19	333.32	493.51	163.94	392.97	556.91	1.2108	2.5329	3.7437
−116	1417.4	0.002917	0.044574	168.30	325.68	493.98	172.44	384.72	557.16	1.2631	2.4481	3.7112
−114	1538.4	0.002956	0.040870	176.53	317.75	494.28	181.08	376.07	557.15	1.3155	2.3630	3.6785
−112	1666.8	0.002998	0.037497	184.88	309.49	494.37	189.88	366.99	556.87	1.3681	2.2773	3.6454
−110	1802.6	0.003042	0.034416	193.37	300.88	494.25	198.85	357.43	556.28	1.4209	2.1908	3.6117
−108	1946.2	0.003089	0.031595	202.01	291.86	493.88	208.03	347.34	555.37	1.4741	2.1032	3.5773
−106	2097.8	0.003140	0.029004	210.83	282.41	493.24	217.42	336.67	554.09	1.5278	2.0142	3.5419
−104	2257.8	0.003196	0.026617	219.84	272.45	492.30	227.06	325.33	552.39	1.5821	1.9233	3.5054
−102	2426.4	0.003256	0.024410	229.09	261.93	491.01	236.99	313.25	550.24	1.6372	1.8303	3.4675
−100	2604.0	0.003322	0.022363	238.60	250.73	489.32	247.25	300.31	547.56	1.6934	1.7344	3.4278
−98	2790.9	0.003396	0.020455	248.42	238.74	487.17	257.90	286.35	544.25	1.7510	1.6349	3.3859
−96	2987.4	0.003480	0.018668	258.63	225.81	484.44	269.03	271.18	540.21	1.8103	1.5308	3.3411
−94	3194.2	0.003575	0.016983	269.32	211.69	481.01	280.75	254.52	535.26	1.8720	1.4207	3.2927
−92	3411.4	0.003687	0.015381	280.64	196.05	476.69	293.21	235.95	529.16	1.9369	1.3025	3.2393
−90	3639.9	0.003822	0.013837	292.80	178.36	471.15	306.71	214.81	521.52	2.0062	1.1729	3.1791
−88	3880.1	0.003993	0.012318	306.22	157.63	463.85	321.71	189.94	511.64	2.0826	1.0258	3.1084
−86	4133.1	0.004230	0.010765	321.76	131.81	453.58	339.25	158.82	498.07	2.1712	0.84865	3.0198
−84	4400.2	0.004633	0.0090021	342.25	94.349	436.60	362.63	113.58	476.21	2.2892	0.60045	2.8896

The table as text, English units

		Specific volume [ft³/lbm]		Internal energy [Btu/lbm]			Enthalpy [Btu/lbm]			Entropy [Btu/lbm·R]
T [°F]	P_sat [psia]	v_f	v_g	u_f	u_fg	u_g	h_f	h_fg	h_g	s_f	s_fg	s_g
−295	1.8760	0.03556	58.235	−29.745	213.31	183.56	−29.733	233.51	203.78	−0.16260	1.4181	1.2554
−290	2.6351	0.03586	42.619	−25.716	211.02	185.31	−25.698	231.79	206.09	−0.13849	1.3661	1.2276
−285	3.6245	0.03616	31.809	−21.672	208.71	187.03	−21.648	230.02	208.37	−0.11500	1.3169	1.2019
−280	4.8912	0.03648	24.167	−17.614	206.35	188.73	−17.581	228.19	210.61	−0.092095	1.2700	1.1780
−275	6.4867	0.03680	18.659	−13.540	203.95	190.41	−13.496	226.30	212.80	−0.069726	1.2254	1.1557
−270	8.4665	0.03713	14.619	−9.4481	201.49	192.05	−9.3899	224.34	214.95	−0.047860	1.1828	1.1349
−265	10.890	0.03748	11.608	−5.3372	198.99	193.65	−5.2617	222.31	217.05	−0.026464	1.1420	1.1155
−260	13.822	0.03783	9.3292	−1.2063	196.43	195.22	−1.1095	220.19	219.08	−0.0055079	1.1028	1.0973
−255	17.327	0.03820	7.5811	2.9459	193.81	196.75	3.0684	217.99	221.06	0.015036	1.0651	1.0801
−250	21.476	0.03858	6.2230	7.1209	191.12	198.24	7.2742	215.70	222.97	0.035196	1.0287	1.0639
−245	26.341	0.03897	5.1555	11.320	188.36	199.68	11.510	213.30	224.81	0.054996	0.99362	1.0486
−240	31.996	0.03938	4.3071	15.545	185.53	201.07	15.778	210.79	226.57	0.074462	0.95960	1.0341
−235	38.517	0.03981	3.6261	19.798	182.61	202.41	20.081	208.17	228.25	0.093616	0.92657	1.0202
−230	45.984	0.04025	3.0742	24.080	179.61	203.69	24.423	205.43	229.85	0.11248	0.89444	1.0069
−225	54.475	0.04072	2.6230	28.395	176.51	204.91	28.805	202.54	231.35	0.13109	0.86311	0.99419
−220	64.073	0.04120	2.2512	32.744	173.32	206.06	33.233	199.52	232.75	0.14945	0.83248	0.98193
−215	74.859	0.04171	1.9423	37.131	170.01	207.14	37.709	196.34	234.05	0.16759	0.80247	0.97006
−210	86.918	0.04225	1.6839	41.559	166.59	208.15	42.239	193.00	235.23	0.18554	0.77300	0.95854
−205	100.33	0.04281	1.4662	46.032	163.04	209.07	46.827	189.47	236.30	0.20331	0.74399	0.94730
−200	115.19	0.04341	1.2817	50.554	159.36	209.91	51.480	185.75	237.23	0.22095	0.71534	0.93628
−195	131.58	0.04404	1.1243	55.131	155.52	210.65	56.204	181.82	238.03	0.23846	0.68698	0.92544
−190	149.59	0.04471	0.98930	59.769	151.52	211.28	61.006	177.66	238.67	0.25588	0.65881	0.91470
−185	169.30	0.04543	0.87280	64.473	147.33	211.80	65.896	173.25	239.15	0.27325	0.63076	0.90401
−180	190.81	0.04620	0.77175	69.253	142.94	212.20	70.885	168.56	239.45	0.29058	0.60272	0.89330
−175	214.22	0.04704	0.68364	74.119	138.33	212.45	75.984	163.56	239.55	0.30794	0.57458	0.88252
−170	239.62	0.04794	0.60640	79.083	133.46	212.54	81.209	158.22	239.43	0.32536	0.54621	0.87157
−165	267.11	0.04893	0.53835	84.160	128.29	212.45	86.578	152.49	239.06	0.34289	0.51748	0.86037
−160	296.80	0.05002	0.47805	89.368	122.79	212.16	92.116	146.30	238.42	0.36061	0.48821	0.84882
−155	328.79	0.05124	0.42432	94.735	116.89	211.62	97.852	139.59	237.44	0.37860	0.45816	0.83677
−150	363.20	0.05262	0.37614	100.29	110.51	210.80	103.83	132.25	236.08	0.39698	0.42707	0.82405
−145	400.17	0.05420	0.33261	106.09	103.53	209.61	110.10	124.14	234.24	0.41591	0.39452	0.81042
−140	439.83	0.05606	0.29290	112.19	95.778	207.97	116.76	115.06	231.81	0.43561	0.35992	0.79553
−135	482.35	0.05832	0.25622	118.72	86.992	205.72	123.93	104.66	228.59	0.45648	0.32234	0.77882
−130	527.92	0.06122	0.22164	125.88	76.679	202.56	131.86	92.351	224.21	0.47918	0.28013	0.75931
−125	576.81	0.06527	0.18779	134.11	63.793	197.90	141.07	76.871	217.94	0.50519	0.22969	0.73488
−120	629.39	0.07232	0.15113	144.84	44.949	189.79	153.26	54.128	207.39	0.53935	0.15935	0.69870

Sources

Values computed by Simuveliq with CoolProp 8.0.0 (downloaded from PyPI, code on GitHub), free software under the MIT license. The temperatures and pressures of the table were chosen by Simuveliq; no table was copied from a book.

Equation of state: U. Setzmann, W. Wagner (1991). A New Equation of State and Tables of Thermodynamic Properties for Methane Covering the Range from the Melting Line to 625 K at Pressures up to 1000 MPa. J. Phys. Chem. Ref. Data 20, 1061–1151. doi:10.1063/1.555898
CoolProp: Bell, Ian H., Wronski, Jorrit, Quoilin, Sylvain, Lemort, Vincent (2014). Pure and Pseudo-pure Fluid Thermophysical Property Evaluation and the Open-Source Thermophysical Property Library CoolProp. Ind. Eng. Chem. Res. 53, 2498–2508. doi:10.1021/ie4033999

Full sources and licenses

Tables

Water: saturation (T) · saturation (P) · superheated vapor · compressed liquid
R-134a: saturation (T) · saturation (P) · superheated vapor
R-22: saturation (T) · saturation (P) · superheated vapor
R-32: saturation (T) · saturation (P) · superheated vapor
R-404A: saturation (T) · saturation (P) · superheated vapor
R-410A: saturation (T) · saturation (P) · superheated vapor
R-1234yf: saturation (T) · saturation (P) · superheated vapor
Ammonia (R-717): saturation (T) · saturation (P) · superheated vapor
Carbon dioxide (R-744): saturation (T) · saturation (P) · superheated vapor
Propane (R-290): saturation (T) · saturation (P) · superheated vapor
Isobutane (R-600a): saturation (T) · saturation (P) · superheated vapor
Nitrogen: saturation (T) · saturation (P) · superheated vapor
Oxygen: saturation (T) · saturation (P) · superheated vapor
Hydrogen: saturation (T) · saturation (P) · superheated vapor
Helium: saturation (T) · saturation (P) · superheated vapor
Argon: saturation (T) · saturation (P) · superheated vapor
Methane: saturation (T) · saturation (P) · superheated vapor
Air: ideal gas
Nitrogen (N₂) per mole: ideal gas
Oxygen (O₂) per mole: ideal gas
Carbon dioxide (CO₂) per mole: ideal gas
Carbon monoxide (CO) per mole: ideal gas
Hydrogen (H₂) per mole: ideal gas
Water vapor (H₂O) per mole: ideal gas
critical constants and molar mass
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