Propane - Thermal Diffusivity vs. Temperature and Pressure

Calculate and view thermal diffusivity of propane at varying temperatures and pressures. Thermal diffusivity (α) measures how quickly a material can absorb heat from its surroundings, calculated as k / (ρ × CP) in units of m²/s.

State	Temperature (K)	Temperature (°C)	Temperature (°F)	Pressure (bara)	Pressure (psia)	Thermal Diffusivity (×10⁻⁶ m²/s)	Thermal Diffusivity (×10⁻⁵ ft²/s)	Thermal Diffusivity (m²/h)	Thermal Diffusivity (ft²/h)
Liquid at equilibrium	100	-173	-280	1	14.5	0.148	0.159	0.533	5.73
Liquid	120	-153	-244	1	14.5	0.142	0.153	0.511	5.50
Liquid	140	-133	-208	1	14.5	0.137	0.147	0.493	5.30
Liquid	160	-113	-172	1	14.5	0.130	0.139	0.468	5.04
Liquid	180	-93.2	-136	1	14.5	0.122	0.131	0.439	4.73
Liquid	200	-73.2	-99.7	1	14.5	0.113	0.122	0.407	4.38
Liquid	220	-53.2	-63.7	1	14.5	0.104	0.112	0.374	4.03
Liquid	230.74	-42.41	-44.34	1	14.5	0.0992	0.107	0.357	3.84
Gas	230.74	-42.41	-44.34	1	14.5	3.36	3.62	12.1	130
Gas	240	-33.2	-27.7	1	14.5	3.70	3.98	13.3	143
Gas	260	-13.2	8.3	1	14.5	4.46	4.80	16.1	173
Gas	280	6.9	44.3	1	14.5	5.26	5.66	18.9	203
Gas	300	26.9	80.3	1	14.5	6.09	6.56	21.9	236
Gas	320	46.9	116	1	14.5	6.96	7.50	25.1	270
Gas	340	66.9	152	1	14.5	7.88	8.48	28.4	305
Gas	360	86.9	188	1	14.5	8.84	9.51	31.8	342
Gas	400	127	260	1	14.5	10.9	11.7	39.2	421
Gas	500	227	440	1	14.5	17.1	18.4	61.6	663
Gas	600	327	620	1	14.5	25.1	27.0	90.4	972
Gas	700	427	800	1	14.5	35.1	37.7	126	1356
Gas	800	527	980	1	14.5	47.3	50.9	170	1829
Gas	900	627	1160	1	14.5	62.1	66.8	224	2410
Gas	1000	727	1340	1	14.5	79.6	85.7	286	3078
Liquid at equilibrium	85.62	-187.53	-305.55	10	145	0.148	0.159	0.533	5.73
Liquid	100	-173	-280	10	145	0.147	0.158	0.529	5.69
Liquid	120	-153	-244	10	145	0.143	0.154	0.515	5.54
Liquid	140	-133	-208	10	145	0.137	0.147	0.493	5.30
Liquid	160	-113	-172	10	145	0.130	0.140	0.468	5.04
Liquid	180	-93.2	-136	10	145	0.122	0.131	0.439	4.73
Liquid	200	-73.2	-99.7	10	145	0.113	0.122	0.407	4.38
Liquid	220	-53.2	-63.7	10	145	0.105	0.112	0.378	4.07
Liquid	240	-33.2	-27.7	10	145	0.0955	0.103	0.344	3.70
Liquid	260	-13.2	8.3	10	145	0.0866	0.0933	0.312	3.36
Liquid	280	6.9	44.3	10	145	0.0779	0.0839	0.280	3.01
Liquid	300.09	26.94	80.49	10	145	0.0692	0.0745	0.249	2.68
Gas	300.09	26.94	80.49	10	145	0.435	0.468	1.57	16.9
Gas	320	46.9	116	10	145	0.553	0.595	1.99	21.4
Gas	340	66.9	152	10	145	0.668	0.719	2.40	25.8
Gas	360	86.9	188	10	145	0.782	0.842	2.81	30.3
Gas	400	127	260	10	145	1.02	1.10	3.67	39.5
Gas	500	227	440	10	145	1.69	1.81	6.08	65.4
Gas	600	327	620	10	145	2.51	2.70	9.04	97.2
Gas	700	427	800	10	145	3.54	3.81	12.7	137
Gas	800	527	980	10	145	4.78	5.15	17.2	185
Gas	900	627	1160	10	145	6.28	6.76	22.6	243
Gas	1000	727	1340	10	145	8.05	8.67	29.0	312
Liquid	100	-173	-280	50	725	0.150	0.161	0.540	5.81
Liquid	200	-73.2	-99.7	50	725	0.115	0.124	0.414	4.45
Liquid	300	26.9	80.3	50	725	0.0734	0.0790	0.264	2.84
Supercritical phase	400	127	260	50	725	0.102	0.110	0.367	3.95
Supercritical phase	500	227	440	50	725	0.300	0.322	1.08	11.6
Liquid	86.45	-187	-304	100	1450	0.149	0.160	0.536	5.77
Liquid	100	-173	-280	100	1450	0.148	0.159	0.533	5.73
Liquid	120	-153	-244	100	1450	0.144	0.155	0.518	5.57
Liquid	140	-133	-208	100	1450	0.139	0.150	0.500	5.38
Liquid	160	-113	-172	100	1450	0.133	0.143	0.479	5.15
Liquid	180	-93.2	-136	100	1450	0.125	0.135	0.450	4.84
Liquid	200	-73.2	-99.7	100	1450	0.117	0.126	0.421	4.53
Liquid	220	-53.2	-63.7	100	1450	0.109	0.117	0.392	4.22
Liquid	240	-33.2	-27.7	100	1450	0.101	0.108	0.363	3.91
Liquid	260	-13.2	8.3	100	1450	0.0925	0.0996	0.333	3.58
Liquid	280	6.9	44.3	100	1450	0.0849	0.0913	0.306	3.29
Liquid	300	26.9	80.3	100	1450	0.0779	0.0838	0.280	3.01
Liquid	320	46.9	116	100	1450	0.0716	0.0771	0.258	2.77
Liquid	340	66.9	152	100	1450	0.0660	0.0711	0.238	2.56
Liquid	360	86.9	188	100	1450	0.0611	0.0658	0.220	2.37
Supercritical phase	400	127	260	100	1450	0.0538	0.0579	0.194	2.09
Supercritical phase	500	227	440	100	1450	0.128	0.137	0.461	4.96
Supercritical phase	600	327	620	100	1450	0.235	0.253	0.846	9.10
Supercritical phase	700	427	800	100	1450	0.357	0.384	1.28	13.8
Supercritical phase	800	527	980	100	1450	0.501	0.539	1.80	19.4
Supercritical phase	900	627	1160	100	1450	0.669	0.720	2.41	25.9
Supercritical phase	1000	727	1340	100	1450	0.865	0.931	3.11	33.5