Carbon dioxide (R-744) saturation table by temperature

Name: Carbon dioxide (R-744) 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: IIR: h = 200 kJ/kg and s = 1 kJ/kg·K for saturated liquid at 0 °C.

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
−56.5	519.27	0.0008487	0.072495	79.709	313.08	392.79	80.149	350.29	430.44	0.52184	1.6168	2.1387
−56	530.65	0.0008500	0.071010	80.678	312.26	392.94	81.129	349.49	430.62	0.52631	1.6095	2.1358
−54	578.05	0.0008553	0.065430	84.562	308.96	393.52	85.056	346.29	431.34	0.54413	1.5801	2.1243
−52	628.57	0.0008606	0.060376	88.453	305.62	394.08	88.994	343.03	432.03	0.56182	1.5511	2.1130
−50	682.34	0.0008661	0.055788	92.352	302.26	394.61	92.943	339.73	432.68	0.57939	1.5224	2.1018
−48	739.49	0.0008718	0.051618	96.260	298.86	395.12	96.905	336.38	433.29	0.59684	1.4940	2.0909
−46	800.15	0.0008775	0.047819	100.18	295.42	395.60	100.88	332.98	433.86	0.61418	1.4659	2.0801
−44	864.45	0.0008834	0.044352	104.11	291.94	396.05	104.87	329.52	434.39	0.63143	1.4380	2.0694
−42	932.52	0.0008895	0.041184	108.05	288.42	396.47	108.88	326.00	434.88	0.64858	1.4103	2.0589
−40	1004.5	0.0008957	0.038284	112.00	284.86	396.87	112.90	322.42	435.32	0.66564	1.3829	2.0485
−38	1080.5	0.0009021	0.035624	115.97	281.26	397.23	116.95	318.77	435.72	0.68261	1.3556	2.0382
−36	1160.7	0.0009087	0.033181	119.95	277.60	397.56	121.01	315.06	436.07	0.69951	1.3285	2.0280
−34	1245.2	0.0009154	0.030935	123.95	273.90	397.85	125.09	311.28	436.37	0.71634	1.3016	2.0179
−32	1334.2	0.0009224	0.028865	127.97	270.14	398.11	129.20	307.42	436.62	0.73311	1.2748	2.0079
−30	1427.8	0.0009296	0.026956	132.01	266.32	398.33	133.34	303.48	436.82	0.74982	1.2481	1.9979
−28	1526.1	0.0009370	0.025192	136.07	262.45	398.51	137.50	299.46	436.96	0.76649	1.2215	1.9880
−26	1629.3	0.0009447	0.023560	140.15	258.51	398.65	141.69	295.35	437.04	0.78311	1.1950	1.9781
−24	1737.5	0.0009526	0.022048	144.25	254.50	398.75	145.91	291.15	437.06	0.79971	1.1686	1.9683
−22	1850.9	0.0009608	0.020645	148.38	250.41	398.80	150.16	286.85	437.01	0.81627	1.1421	1.9584
−20	1969.6	0.0009693	0.019342	152.54	246.25	398.79	154.45	282.44	436.89	0.83283	1.1157	1.9485
−18	2093.8	0.0009781	0.018131	156.73	242.01	398.74	158.78	277.93	436.70	0.84937	1.0893	1.9386
−16	2223.7	0.0009873	0.017002	160.95	237.68	398.63	163.14	273.30	436.44	0.86593	1.0628	1.9287
−14	2359.3	0.0009969	0.015950	165.20	233.26	398.46	167.55	268.54	436.09	0.88249	1.0362	1.9187
−12	2500.9	0.001007	0.014967	169.49	228.73	398.23	172.01	263.65	435.66	0.89908	1.0096	1.9086
−10	2648.7	0.001017	0.014048	173.83	224.10	397.93	176.52	258.62	435.13	0.91571	0.98277	1.8985
−8	2802.7	0.001028	0.013188	178.20	219.35	397.55	181.09	253.43	434.51	0.93240	0.95580	1.8882
−6	2963.2	0.001040	0.012381	182.63	214.47	397.10	185.71	248.08	433.79	0.94915	0.92861	1.8778
−4	3130.3	0.001052	0.011624	187.11	209.46	396.56	190.40	242.55	432.95	0.96599	0.90117	1.8672
−2	3304.2	0.001065	0.010911	191.64	204.29	395.93	195.16	236.83	431.99	0.98293	0.87342	1.8563
0	3485.1	0.001078	0.010241	196.24	198.96	395.20	200.00	230.89	430.89	1.0000	0.84530	1.8453
2	3673.3	0.001093	0.0096085	200.91	193.44	394.36	204.93	224.73	429.65	1.0172	0.81674	1.8340
4	3868.8	0.001108	0.0090110	205.66	187.72	393.39	209.95	218.30	428.25	1.0346	0.78766	1.8223
6	4072.0	0.001124	0.0084454	210.50	181.78	392.28	215.08	211.59	426.67	1.0523	0.75798	1.8102
8	4283.1	0.001142	0.0079089	215.44	175.57	391.02	220.34	204.56	424.89	1.0702	0.72757	1.7977
10	4502.2	0.001161	0.0073988	220.50	169.07	389.57	225.73	197.15	422.88	1.0884	0.69629	1.7847
12	4729.7	0.001182	0.0069125	225.69	162.23	387.92	231.29	189.33	420.62	1.1070	0.66397	1.7710
14	4965.8	0.001205	0.0064472	231.05	154.99	386.03	237.03	181.02	418.05	1.1261	0.63039	1.7565
16	5210.8	0.001231	0.0060003	236.59	147.26	383.86	243.01	172.12	415.12	1.1458	0.59525	1.7411
18	5465.1	0.001260	0.0055688	242.38	138.95	381.33	249.26	162.50	411.76	1.1663	0.55814	1.7244
20	5729.1	0.001293	0.0051493	248.46	129.90	378.37	255.87	152.00	407.87	1.1877	0.51850	1.7062
22	6003.1	0.001332	0.0047374	254.93	119.89	374.83	262.93	140.34	403.26	1.2105	0.47548	1.6860
24	6287.7	0.001379	0.0043272	261.94	108.55	370.50	270.61	127.09	397.70	1.2352	0.42770	1.6628
26	6583.7	0.001440	0.0039083	269.78	95.198	364.98	279.26	111.45	390.71	1.2628	0.37255	1.6353
28	6891.8	0.001526	0.0034589	279.11	78.257	357.36	289.62	91.579	381.20	1.2958	0.30410	1.5998
30	7213.7	0.001685	0.0028977	292.39	51.831	344.23	304.55	60.575	365.13	1.3435	0.19982	1.5433

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
−69.7	75.314	0.01360	1.1613	34.269	134.60	168.87	34.458	150.60	185.06	0.12464	0.38618	0.51082
−65	84.234	0.01370	1.0434	36.448	132.75	169.20	36.661	148.80	185.46	0.13020	0.37702	0.50722
−60	94.573	0.01382	0.93360	38.772	130.75	169.53	39.014	146.85	185.86	0.13606	0.36743	0.50348
−55	105.84	0.01395	0.83754	41.104	128.73	169.83	41.377	144.86	186.24	0.14186	0.35797	0.49983
−50	118.08	0.01408	0.75321	43.444	126.68	170.12	43.752	142.83	186.58	0.14761	0.34864	0.49625
−45	131.34	0.01421	0.67891	45.793	124.59	170.38	46.138	140.75	186.88	0.15332	0.33942	0.49274
−40	145.69	0.01435	0.61325	48.153	122.47	170.62	48.539	138.62	187.16	0.15898	0.33030	0.48928
−35	161.17	0.01449	0.55503	50.524	120.31	170.83	50.956	136.43	187.39	0.16461	0.32127	0.48588
−30	177.82	0.01464	0.50327	52.908	118.11	171.02	53.390	134.19	187.58	0.17020	0.31231	0.48251
−25	195.72	0.01479	0.45710	55.307	115.87	171.18	55.843	131.89	187.73	0.17577	0.30342	0.47919
−20	214.91	0.01496	0.41582	57.722	113.58	171.30	58.317	129.52	187.84	0.18130	0.29458	0.47589
−15	235.45	0.01513	0.37879	60.155	111.23	171.39	60.814	127.08	187.89	0.18682	0.28578	0.47260
−10	257.40	0.01530	0.34550	62.608	108.83	171.44	63.337	124.56	187.90	0.19233	0.27700	0.46933
−5	280.81	0.01549	0.31548	65.082	106.37	171.45	65.887	121.96	187.85	0.19782	0.26824	0.46606
0	305.74	0.01568	0.28835	67.581	103.84	171.42	68.469	119.27	187.74	0.20331	0.25947	0.46277
5	332.25	0.01589	0.26377	70.107	101.24	171.35	71.084	116.48	187.56	0.20880	0.25067	0.45947
10	360.41	0.01611	0.24144	72.663	98.556	171.22	73.737	113.58	187.32	0.21430	0.24184	0.45614
15	390.27	0.01634	0.22111	75.252	95.784	171.04	76.433	110.57	187.00	0.21982	0.23295	0.45276
20	421.91	0.01659	0.20254	77.879	92.912	170.79	79.175	107.43	186.60	0.22537	0.22397	0.44933
25	455.38	0.01686	0.18554	80.549	89.929	170.48	81.970	104.14	186.11	0.23095	0.21488	0.44582
30	490.77	0.01715	0.16993	83.267	86.820	170.09	84.824	100.69	185.52	0.23658	0.20564	0.44222
35	528.14	0.01746	0.15556	86.040	83.567	169.61	87.747	97.064	184.81	0.24227	0.19622	0.43849
40	567.58	0.01780	0.14229	88.878	80.148	169.03	90.748	93.222	183.97	0.24805	0.18657	0.43462
45	609.16	0.01818	0.12998	91.793	76.534	168.33	93.842	89.136	182.98	0.25394	0.17662	0.43056
50	652.99	0.01860	0.11852	94.799	72.688	167.49	97.046	84.761	181.81	0.25996	0.16631	0.42626
55	699.14	0.01908	0.10779	97.917	68.557	166.47	100.39	80.035	180.42	0.26616	0.15551	0.42167
60	747.75	0.01962	0.097683	101.18	64.070	165.25	103.89	74.871	178.76	0.27261	0.14407	0.41669
65	798.93	0.02026	0.088072	104.63	59.114	163.75	107.63	69.139	176.76	0.27940	0.13178	0.41117
70	852.82	0.02105	0.078809	108.34	53.517	161.86	111.66	62.633	174.29	0.28666	0.11825	0.40491
75	909.62	0.02205	0.069682	112.44	46.960	159.40	116.15	54.978	171.13	0.29467	0.10283	0.39749
80	969.57	0.02346	0.060289	117.23	38.727	155.95	121.44	45.334	166.77	0.30404	0.084002	0.38804
85	1033.1	0.02604	0.049309	123.77	26.274	150.04	128.75	30.723	159.47	0.31699	0.056407	0.37339

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: R. Span, W. Wagner (1996). A New Equation of State for Carbon Dioxide Covering the Fluid Region from the Triple Point Temperature to 1100 K at Pressures up to 800 MPa. J. Phys. Chem. Ref. Data 25, 1509–1596. doi:10.1063/1.555991
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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