THERMAL CONDUCTIVITY OF SATURATED H2O AND D2O This table gives the thermal conductivity λ for water (H2O or D2O) in equilibrium with its vapor. Values for the liquid (λl) and vapor (λv) are listed, as well as the vapor pressure.
t/°C 0 10 20 30 40 50 60 70 80 90 100 150 200 250 300 350
P/kPa 0.6 1.2 2.3 4.2 7.4 12.3 19.9 31.2 47.4 70.1 101.3 476 1555 3978 8593 16530
H2O λ l / (mW/K m) 561.0 580.0 598.4 615.4 630.5 643.5 654.3 663.1 670.0 675.3 679.1 682.1 663.4 621.4 547.7 447.6
λ v / (mW/K m) 16.49 17.21 17.95 18.70 19.48 20.28 21.10 21.96 22.86 23.80 24.79 30.77 39.10 51.18 71.78 134.59
References 1. Sengers, J.V. and Watson, J.T.R., Improved international formulations for the viscosity and thermal conductivity of water substance, J. Phys. Chem. Ref. Data, 15, 1291, 1986. 2. Matsunaga, N. and Nagashima, A., Transport properties of liquid and gaseous D2O over a wide range of temperature and pressure, J. Phys. Chem. Ref. Data, 12, 933, 1983.
P/kPa 1.0 2.0 3.7 6.5 11.1 18.2 28.8 44.2 66.1 96.2 465 1546 3995 8688 16820
D2O λ l / (mW/K m) 575 589 600 610 618 625 629 633 635 636 625 592 541 473 391
λ v / (mW/K m) 17.0 17.8 18.5 19.3 20.2 21.0 21.9 22.8 23.8 24.8 30.8 39.0 52.0 75.2 143.0
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