Propane - Prandtl Number vs. Temperature and Pressure
Figures and tables with Prandtl Number of liquid and gaseous propane at varying temperarure and pressure, SI and Imperial units.
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The Prandtl Number - Pr - is a dimensionless number approximating the ratio of momentum diffusivity (kinematic viscosity) to thermal diffusivity - and is often used in heat transfer and free and forced convection calculations.
The Prandtl number can for calculations be expressed as
Pr = μ c p / k (1)
where
μ = absolute or dynamic viscosity [kg/(m s)], [lb m /(ft h)]
c p = specific heat [J/(kg K)], [Btu/(lb m o F)]
k = thermal conductivity [W/(m K)], [Btu/(h ft 2 o F/ft)]
Below, Prandtl numbers of propane at varying temperatures and saturation pressure, as well as 1, 10 and 100 bara (14.5, 145 and 1450 psia) are given in figures and tables .
See also other properties of Propane at varying temperature and pressure: Density and specific weight , Dynamic and Kinematic Viscosity , Specific heat (heat capacity) , Thermal conductivity and Thermal diffusivity , and Thermophysical properties at standard conditions ,
as well as Prandtl number of Air , Ammonia , Carbon dioxide , Methane , Nitrogen and Water .
Prandtl number of propane at atmospheric pressure, varying temperature given as °C or °F:
Prandtl number of propane at 1, 10 and 100 bara (14.5, 145 and 1450 psia), varying temperature given as °C or °F:
Prandtl number of propane at atmospheric pressure, temperature given as K, °C or °F:
| State | Temperature | Prandtl number | Temperature | Prandtl number | |||
| [K] | [°C] | [-] | [K] | [°F] | [-] | ||
| Liquid | 123 | -150 | 13.7 | 116 | -250 | 17.0 | |
| 148 | -125 | 7.59 | 144 | -200 | 8.15 | ||
| 173 | -100 | 5.32 | 172 | -150 | 5.39 | ||
| 198 | -75 | 4.20 | 200 | -100 | 4.15 | ||
| 223 | -50 | 3.57 | 228 | -50 | 3.48 | ||
| 231 | -42 | 3.43 | 231 | -44 | 3.43 | ||
| Gas | 231 | -42 | 0.784 | 231 | -44 | 0.784 | |
| 248 | -25 | 0.770 | 244 | -20 | 0.773 | ||
| 263 | -10 | 0.761 | 255 | 0 | 0.766 | ||
| 268 | -5 | 0.759 | 266 | 20 | 0.760 | ||
| 273 | 0 | 0.757 | 272 | 30 | 0.757 | ||
| 278 | 5 | 0.755 | 278 | 40 | 0.755 | ||
| 283 | 10 | 0.753 | 283 | 50 | 0.753 | ||
| 293 | 20 | 0.751 | 294 | 70 | 0.750 | ||
| 298 | 25 | 0.750 | 300 | 80 | 0.749 | ||
| 303 | 30 | 0.749 | 305 | 90 | 0.748 | ||
| 323 | 50 | 0.746 | 311 | 100 | 0.747 | ||
| 348 | 75 | 0.745 | 339 | 150 | 0.745 | ||
| 373 | 100 | 0.744 | 366 | 200 | 0.744 | ||
| 398 | 125 | 0.744 | 394 | 250 | 0.744 | ||
| 423 | 150 | 0.743 | 422 | 300 | 0.743 | ||
| 448 | 175 | 0.740 | 478 | 400 | 0.736 | ||
| 473 | 200 | 0.737 | 533 | 500 | 0.723 | ||
| 523 | 250 | 0.726 | 589 | 600 | 0.706 | ||
| 573 | 300 | 0.711 | 644 | 700 | 0.686 | ||
| 623 | 350 | 0.694 | 700 | 800 | 0.665 | ||
| 673 | 400 | 0.675 | 755 | 900 | 0.644 | ||
| 773 | 500 | 0.637 | 811 | 1000 | 0.622 | ||
Prandtl number of propane at given temperatures and saturation pressure as well as 1, 10 and 100 bara (14.5, 145 and 1450 psia):
| State | Temperature | Pressure | Prandtl number | |||
| [K] | [°C] | [°F] | [bara] | [psia] | [-] | |
| Liquid at equilibrium | 100 | -173 | -280 | 2.5E-07 | 3.7E-06 | 35.37 |
| 130 | -143 | -226 | 0.000176 | 0.00255 | 11.19 | |
| 160 | -113 | -172 | 0.00850 | 0.1233 | 6.270 | |
| 190 | -83.2 | -118 | 0.1055 | 1.530 | 4.495 | |
| 220 | -53.2 | -63.7 | 0.6058 | 8.787 | 3.643 | |
| 250 | -23.2 | -9.7 | 2.180 | 31.62 | 3.179 | |
| 280 | 6.9 | 44.3 | 5.817 | 84.37 | 2.920 | |
| 310 | 36.9 | 98.3 | 12.73 | 184.6 | 2.790 | |
| 320 | 46.9 | 116 | 15.99 | 231.9 | 2.770 | |
| 340 | 66.9 | 152 | 24.32 | 352.7 | 2.848 | |
| 355 | 81.9 | 179 | 32.43 | 470.4 | 3.259 | |
| 360 | 86.9 | 188 | 35.55 | 515.6 | 3.548 | |
| Gas at equilibrium | 100 | -173 | -280 | 2.5E-07 | 3.7E-06 | 1.154 |
| 130 | -143 | -226 | 0.000176 | 0.00255 | 0.9481 | |
| 160 | -113 | -172 | 0.00850 | 0.1233 | 0.8499 | |
| 190 | -83.2 | -118 | 0.1055 | 1.530 | 0.8002 | |
| 220 | -53.2 | -63.7 | 0.6058 | 8.787 | 0.7840 | |
| 250 | -23.2 | -9.7 | 2.180 | 31.62 | 0.7956 | |
| 280 | 6.9 | 44.3 | 5.817 | 84.37 | 0.8357 | |
| 310 | 36.9 | 98.3 | 12.73 | 184.6 | 0.9249 | |
| 320 | 46.9 | 116 | 15.99 | 231.9 | 0.9789 | |
| 340 | 66.9 | 152 | 24.32 | 352.7 | 1.188 | |
| 355 | 81.9 | 179 | 32.43 | 470.4 | 1.732 | |
| 360 | 86.9 | 188 | 35.55 | 515.6 | 2.300 | |
| Liquid | 85.53 | -187.62 | -305.72 | 1 | 14.5 | 99.44 |
| 100 | -173.15 | -279.67 | 1 | 14.5 | 35.88 | |
| 120 | -153.15 | -243.67 | 1 | 14.5 | 15.11 | |
| 140 | -133.15 | -207.67 | 1 | 14.5 | 8.891 | |
| 160 | -113.15 | -171.67 | 1 | 14.5 | 6.290 | |
| 180 | -93.15 | -135.67 | 1 | 14.5 | 4.942 | |
| 200 | -73.15 | -99.67 | 1 | 14.5 | 4.145 | |
| 220 | -53.15 | -63.67 | 1 | 14.5 | 3.633 | |
| 230.74 | -42.41 | -44.34 | 1 | 14.5 | 3.433 | |
| Gas | 230.74 | -42.41 | -44.34 | 1 | 14.5 | 0.7857 |
| 240 | -33.2 | -27.67 | 1 | 14.5 | 0.7760 | |
| 260 | -13.2 | 8.33 | 1 | 14.5 | 0.7621 | |
| 280 | 6.9 | 44.33 | 1 | 14.5 | 0.7534 | |
| 300 | 26.9 | 80.33 | 1 | 14.5 | 0.7492 | |
| 320 | 46.9 | 116 | 1 | 14.5 | 0.7467 | |
| 340 | 66.9 | 152 | 1 | 14.5 | 0.7458 | |
| 360 | 86.9 | 188 | 1 | 14.5 | 0.7453 | |
| 400 | 127 | 260 | 1 | 14.5 | 0.7437 | |
| 500 | 227 | 440 | 1 | 14.5 | 0.7301 | |
| 600 | 327 | 620 | 1 | 14.5 | 0.7024 | |
| 700 | 427 | 800 | 1 | 14.5 | 0.6658 | |
| 800 | 527 | 980 | 1 | 14.5 | 0.6252 | |
| 900 | 627 | 1160 | 1 | 14.5 | 0.5840 | |
| 1000 | 727 | 1340 | 1 | 14.5 | 0.5434 | |
| Liquid | 85.62 | -187.53 | -305.55 | 10 | 145 | 99.81 |
| 100 | -173 | -280 | 10 | 145 | 36.19 | |
| 120 | -153 | -244 | 10 | 145 | 15.21 | |
| 140 | -133 | -208 | 10 | 145 | 8.941 | |
| 160 | -113 | -172 | 10 | 145 | 6.318 | |
| 180 | -93.2 | -136 | 10 | 145 | 4.958 | |
| 200 | -73.2 | -99.7 | 10 | 145 | 4.156 | |
| 220 | -53.2 | -63.7 | 10 | 145 | 3.641 | |
| 240 | -33.2 | -27.7 | 10 | 145 | 3.300 | |
| 260 | -13.2 | 8.3 | 10 | 145 | 3.064 | |
| 280 | 6.9 | 44.3 | 10 | 145 | 2.909 | |
| 300.09 | 26.94 | 80.49 | 10 | 145 | 2.811 | |
| Gas | 300.09 | 26.94 | 80.49 | 10 | 145 | 0.8851 |
| 320 | 46.9 | 116 | 10 | 145 | 0.8299 | |
| 340 | 66.9 | 152 | 10 | 145 | 0.8001 | |
| 360 | 86.9 | 188 | 10 | 145 | 0.7824 | |
| 400 | 127 | 260 | 10 | 145 | 0.7619 | |
| 500 | 227 | 440 | 10 | 145 | 0.7321 | |
| 600 | 327 | 620 | 10 | 145 | 0.6999 | |
| 700 | 427 | 800 | 10 | 145 | 0.6626 | |
| 800 | 527 | 980 | 10 | 145 | 0.6218 | |
| 900 | 627 | 1160 | 10 | 145 | 0.5810 | |
| 1000 | 727 | 1340 | 10 | 145 | 0.5407 | |
| Liquid | 100 | -173 | -280 | 50 | 725 | 37.10 |
| 200 | -73.2 | -99.7 | 50 | 725 | 4.216 | |
| 300 | 26.9 | 80.3 | 50 | 725 | 2.802 | |
| Supercritical phase | 400 | 127 | 260 | 50 | 725 | 1.305 |
| 500 | 227 | 440 | 50 | 725 | 0.8190 | |
| Liquid | 86.45 | -187 | -304 | 100 | 1450 | 103.18 |
| 100 | -173 | -280 | 100 | 1450 | 39.46 | |
| 120 | -153 | -244 | 100 | 1450 | 16.28 | |
| 140 | -133 | -208 | 100 | 1450 | 9.433 | |
| 160 | -113 | -172 | 100 | 1450 | 6.596 | |
| 180 | -93.2 | -136 | 100 | 1450 | 5.139 | |
| 200 | -73.2 | -99.7 | 100 | 1450 | 4.282 | |
| 220 | -53.2 | -63.7 | 100 | 1450 | 3.735 | |
| 240 | -33.2 | -27.7 | 100 | 1450 | 3.367 | |
| 260 | -13.2 | 8.3 | 100 | 1450 | 3.112 | |
| 280 | 6.9 | 44.3 | 100 | 1450 | 2.934 | |
| 300 | 26.9 | 80.3 | 100 | 1450 | 2.798 | |
| 320 | 46.9 | 116 | 100 | 1450 | 2.691 | |
| 340 | 66.9 | 152 | 100 | 1450 | 2.597 | |
| 360 | 86.9 | 188 | 100 | 1450 | 2.504 | |
| Supercritical phase | 400 | 127 | 260 | 100 | 1450 | 2.282 |
| 500 | 227 | 440 | 100 | 1450 | 1.085 | |
| 600 | 327 | 620 | 100 | 1450 | 0.8466 | |
| 700 | 427 | 800 | 100 | 1450 | 0.7417 | |
| 800 | 527 | 980 | 100 | 1450 | 0.6694 | |
| 900 | 627 | 1160 | 100 | 1450 | 0.6098 | |
| 1000 | 727 | 1340 | 100 | 1450 | 0.5586 | |
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