Below, thermal diffusivity of water at varying temperatures and 1, 10 and 100 bara (14.5, 145 and 1450 psia) are given in figures and tables .
See Water and Heavy Water for thermodynamic properties at standard condtions.
See also other properties of Water at varying temperature and pressure : Boiling points at high pressure , Boiling points at vacuum pressure , Density and specific weight , Dynamic and kinematic viscosity , Enthalpy and entropy , Heat of vaporization , Ionization Constant, pK w , of normal and heavy water , Melting points at high pressure , Prandtl number , Properties at Gas-Liquid Equilibrium Conditions , Saturation pressure , Specific gravity , Specific heat (heat capacity) , Specific volume , Thermal conductivity and Vapour pressure at gas-liquid equilibrium ,
as well as thermal diffusivity of air , nitrogen and propane .
Water thermal diffusivity at atmospheric pressure, temperature given as °C or °F:
Water thermal diffusivity at 1, 10 and 100 bara (14.5, 145 and 1450 psia) pressure, temperature given as °C or °F:
Thermal diffusivity of water at atmospheric pressure and given temperature, SI and Imperial units:
For full table with Thermal Diffusivity - rotate the screen!
State | Temperature | Thermal diffusivity | Temperature | Thermal diffusivity | |||||
[K] | [°C] | [x10 -6 m 2 /s] | [m 2 /h] | [K] | [°F] | [x10 -6 ft 2 /s] | [ ft 2 /h] | ||
Liquid | 273 | 0 | 0.132 | 0.000474 | 273 | 32 | 1.42 | 0.00510 | |
278 | 5 | 0.135 | 0.000486 | 278 | 40 | 1.45 | 0.00522 | ||
283 | 10 | 0.138 | 0.000497 | 283 | 50 | 1.48 | 0.00535 | ||
293 | 20 | 0.143 | 0.000515 | 297 | 75 | 1.56 | 0.00562 | ||
298 | 25 | 0.146 | 0.000524 | 311 | 100 | 1.62 | 0.00584 | ||
303 | 30 | 0.148 | 0.000532 | 325 | 125 | 1.67 | 0.00603 | ||
323 | 50 | 0.155 | 0.000558 | 339 | 150 | 1.72 | 0.00619 | ||
348 | 75 | 0.162 | 0.000584 | 353 | 175 | 1.76 | 0.00633 | ||
373 | 100 | 0.168 | 0.000603 | 366 | 200 | 1.79 | 0.00645 | ||
Gas | 373 | 100 | 20.2 | 0.0728 | 394 | 250 | 251 | 0.905 | |
398 | 125 | 24.0 | 0.0863 | 422 | 300 | 299 | 1.08 | ||
423 | 150 | 27.9 | 0.101 | 450 | 350 | 349 | 1.26 | ||
448 | 175 | 32.2 | 0.116 | 478 | 400 | 403 | 1.45 | ||
473 | 200 | 36.6 | 0.132 | 533 | 500 | 522 | 1.88 | ||
523 | 250 | 46.4 | 0.167 | 589 | 600 | 654 | 2.35 | ||
573 | 300 | 57.2 | 0.206 | 644 | 700 | 801 | 2.88 | ||
623 | 350 | 69.0 | 0.249 | 700 | 800 | 962 | 3.46 | ||
673 | 400 | 82.0 | 0.295 | 755 | 900 | 1137 | 4.09 | ||
773 | 500 | 111 | 0.400 | 811 | 1000 | 1327 | 4.78 |
Thermal diffusivity of water at given temperature and pressure, SI and Imperial units:
For full table with Thermal Diffusivity - rotate the screen!
State | Temperature | Pressure | Thermal diffusivity | ||||||
[K] | [°C] | [°F] | [MPa] | [bara] | [psia] | [x10 -6 m 2 /s] | [x10 -5 ft 2 /s] | [ ft 2 /h] | |
Liquid | 273.16 | 0.01 | 32.02 | 0.1 | 1 | 14.5 | 0.1317 | 0.1418 | 0.005104 |
280 | 6.9 | 44.3 | 0.1 | 1 | 14.5 | 0.1362 | 0.1466 | 0.005277 | |
300 | 26.9 | 80.3 | 0.1 | 1 | 14.5 | 0.1463 | 0.1575 | 0.005669 | |
320 | 46.9 | 116 | 0.1 | 1 | 14.5 | 0.1540 | 0.1658 | 0.005968 | |
340 | 66.9 | 152 | 0.1 | 1 | 14.5 | 0.1602 | 0.1724 | 0.006207 | |
360 | 86.9 | 188 | 0.1 | 1 | 14.5 | 0.1651 | 0.1777 | 0.006397 | |
372.756 | 99.61 | 211.3 | 0.1 | 1 | 14.5 | 0.1676 | 0.1804 | 0.006493 | |
Gas | 372.756 | 99.61 | 211.3 | 0.1 | 1 | 14.5 | 19.99 | 21.52 | 0.7748 |
380 | 107 | 224 | 0.1 | 1 | 14.5 | 21.20 | 22.82 | 0.8213 | |
400 | 127 | 260 | 0.1 | 1 | 14.5 | 24.40 | 26.26 | 0.9454 | |
450 | 177 | 350 | 0.1 | 1 | 14.5 | 32.67 | 35.16 | 1.266 | |
500 | 227 | 440 | 0.1 | 1 | 14.5 | 41.79 | 44.99 | 1.619 | |
550 | 277 | 530 | 0.1 | 1 | 14.5 | 51.98 | 55.95 | 2.014 | |
600 | 327 | 620 | 0.1 | 1 | 14.5 | 63.30 | 68.14 | 2.453 | |
650 | 377 | 710 | 0.1 | 1 | 14.5 | 75.77 | 81.55 | 2.936 | |
700 | 427 | 800 | 0.1 | 1 | 14.5 | 89.36 | 96.19 | 3.463 | |
750 | 477 | 890 | 0.1 | 1 | 14.5 | 104.1 | 112.0 | 4.032 | |
800 | 527 | 980 | 0.1 | 1 | 14.5 | 119.8 | 129.0 | 4.644 | |
900 | 627 | 1160 | 0.1 | 1 | 14.5 | 154.5 | 166.3 | 5.985 | |
1000 | 727 | 1340 | 0.1 | 1 | 14.5 | 193.0 | 207.7 | 7.479 | |
1100 | 827 | 1520 | 0.1 | 1 | 14.5 | 235.3 | 253.3 | 9.118 | |
1200 | 927 | 1700 | 0.1 | 1 | 14.5 | 281.3 | 302.8 | 10.90 | |
Liquid | 273.16 | 0.01 | 32.02 | 1 | 10 | 145 | 0.1320 | 0.1420 | 0.00511 |
280 | 6.9 | 44.3 | 1 | 10 | 145 | 0.1364 | 0.1468 | 0.00528 | |
300 | 26.9 | 80.3 | 1 | 10 | 145 | 0.1464 | 0.1576 | 0.00567 | |
320 | 46.9 | 116 | 1 | 10 | 145 | 0.1541 | 0.1659 | 0.00597 | |
340 | 66.9 | 152 | 1 | 10 | 145 | 0.1603 | 0.1726 | 0.00621 | |
360 | 86.9 | 188 | 1 | 10 | 145 | 0.1652 | 0.1778 | 0.00640 | |
380 | 107 | 224 | 1 | 10 | 145 | 0.1689 | 0.1818 | 0.00654 | |
400 | 127 | 260 | 1 | 10 | 145 | 0.1713 | 0.1844 | 0.00664 | |
450 | 177 | 350 | 1 | 10 | 145 | 0.1720 | 0.1852 | 0.00667 | |
453.028 | 179.9 | 355.8 | 1 | 10 | 145 | 0.1718 | 0.1849 | 0.00666 | |
Gas | 453.028 | 179.9 | 355.8 | 1 | 10 | 145 | 2.495 | 2.686 | 0.0967 |
500 | 227 | 440 | 1 | 10 | 145 | 3.724 | 4.008 | 0.1443 | |
550 | 277 | 530 | 1 | 10 | 145 | 4.884 | 5.258 | 0.1893 | |
600 | 327 | 620 | 1 | 10 | 145 | 6.089 | 6.554 | 0.2359 | |
650 | 377 | 710 | 1 | 10 | 145 | 7.379 | 7.942 | 0.2859 | |
700 | 427 | 800 | 1 | 10 | 145 | 8.770 | 9.440 | 0.3398 | |
750 | 477 | 890 | 1 | 10 | 145 | 10.27 | 11.05 | 0.3978 | |
800 | 527 | 980 | 1 | 10 | 145 | 11.87 | 12.77 | 0.4599 | |
900 | 627 | 1160 | 1 | 10 | 145 | 15.38 | 16.55 | 0.5959 | |
1000 | 727 | 1340 | 1 | 10 | 145 | 19.28 | 20.75 | 0.7471 | |
1100 | 827 | 1520 | 1 | 10 | 145 | 23.56 | 25.36 | 0.9129 | |
1200 | 927 | 1700 | 1 | 10 | 145 | 28.20 | 30.35 | 1.093 | |
Liquid | 273.16 | 0.01 | 32.018 | 10 | 100 | 1450 | 0.1343 | 0.1446 | 0.00520 |
280 | 6.9 | 44.3 | 10 | 100 | 1450 | 0.1384 | 0.1489 | 0.00536 | |
300 | 26.9 | 80.3 | 10 | 100 | 1450 | 0.1479 | 0.1592 | 0.00573 | |
320 | 46.9 | 116 | 10 | 100 | 1450 | 0.1554 | 0.1673 | 0.00602 | |
340 | 66.9 | 152 | 10 | 100 | 1450 | 0.1615 | 0.1739 | 0.00626 | |
360 | 86.9 | 188 | 10 | 100 | 1450 | 0.1665 | 0.1792 | 0.00645 | |
380 | 107 | 224 | 10 | 100 | 1450 | 0.1702 | 0.1832 | 0.00660 | |
400 | 127 | 260 | 10 | 100 | 1450 | 0.1728 | 0.1860 | 0.00670 | |
450 | 177 | 350 | 10 | 100 | 1450 | 0.1741 | 0.1874 | 0.00675 | |
500 | 227 | 440 | 10 | 100 | 1450 | 0.1676 | 0.1804 | 0.00649 | |
550 | 277 | 530 | 10 | 100 | 1450 | 0.1507 | 0.1623 | 0.00584 | |
584.147 | 311.00 | 591.79 | 10 | 100 | 1450 | 0.1270 | 0.1367 | 0.00492 | |
Gas | 584.147 | 311.00 | 591.79 | 10 | 100 | 1450 | 0.1978 | 0.2129 | 0.00767 |
600 | 327 | 620 | 10 | 100 | 1450 | 0.2826 | 0.3042 | 0.01095 | |
650 | 377 | 710 | 10 | 100 | 1450 | 0.4966 | 0.5346 | 0.01924 | |
700 | 427 | 800 | 10 | 100 | 1450 | 0.6889 | 0.7415 | 0.02669 | |
750 | 477 | 890 | 10 | 100 | 1450 | 0.8766 | 0.9436 | 0.03397 | |
800 | 527 | 980 | 10 | 100 | 1450 | 1.068 | 1.149 | 0.04137 | |
900 | 627 | 1160 | 10 | 100 | 1450 | 1.472 | 1.584 | 0.05702 | |
1000 | 727 | 1340 | 10 | 100 | 1450 | 1.911 | 2.057 | 0.07403 | |
1100 | 827 | 1520 | 10 | 100 | 1450 | 2.385 | 2.567 | 0.09242 | |
1200 | 927 | 1700 | 10 | 100 | 1450 | 2.894 | 3.115 | 0.1121 |
Unit conversion thermal diffusivity:
square feet/second [ft 2 /s], square feet/hour [ft 2 /h], square meter/hour [m 2 /h], square meter/second [m 2 /s]
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