.FCSys.Species.H2.Gas.Fixed

Information

Assumptions:

  1. The generalized resistivities (η, θ) are fixed (e.g., independent of thermodynamic state).
  2. Ideal gas

The default resistivities (η = 1/(89.6e-7*U.Pa*U.s) and θ = U.m*U.K/(183e-3*U.W)) are based on data of H2 gas at 1 atm and 300 K from Incropera and DeWitt [Incropera2002, pp. 919–920]. Table 1 lists the properties at other temperatures.

Table 1: Properties of H2 gas at 1 atm [Incropera2002, pp. 919–920].
T
/U.K		 cp*U.kg*U.K
/(U.J*Data.m)		 η
*U.Pa*U.s		 θ*U.W
/(U.m*U.K)
10011.23e31/42.1e-71/67.0e-3
15012.60e31/56.0e-71/101e-3
20013.54e31/68.1e-71/131e-3
25014.06e31/78.9e-71/157e-3
30014.31e31/89.6e-71/183e-3
35014.43e31/98.8e-71/204e-3
40014.48e31/108.2e-71/226e-3
45014.50e31/117.2e-71/247e-3
50014.52e31/126.4e-71/266e-3
55014.53e31/134.3e-71/285e-3
60014.55e31/142.4e-71/305e-3
70014.61e31/157.8e-71/342e-3
80014.70e31/172.4e-71/378e-3
90014.83e31/186.5e-71/412e-3
100014.99e31/201.3e-71/448e-3
110015.17e31/213.0e-71/488e-3
120015.37e31/226.2e-71/528e-3
130015.59e31/238.5e-71/568e-3
140015.81e31/250.7e-71/610e-3
150016.02e31/262.7e-71/655e-3
160016.28e31/273.7e-71/697e-3
170016.58e31/284.9e-71/742e-3
180016.96e31/296.1e-71/786e-3
190017.49e31/307.2e-71/835e-3
200018.25e31/318.2e-71/878e-3

The specific heat capacity is not fixed because it would affect the chemical potential and result in an incorrect cell potential.

For more information, please see the Species model.

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