Numerical Simulation of the Thermal Comfort in Train Cabin
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Results of numerical simulations of the air flow, including the heat transport, the thermal radiation and the thermal comfort of passengers
in a train cabin are presented. The computations have been performed
by coupling flow simulations conducted with the computational fluid
dynamics (CFD) code OpenFOAM with finite-element simulations of the
heat transport within the passengers using the code THESEUS-FE. With
the latter, the bodies of passengers were modelled based on various
layers with different heat transport characteristics to account for effects
like blood flow, heat transfer through the skin and the clothing, as well
as activity levels and ambient humidity. Based on these computations
we simulated and analysed the thermal comfort of passengers in the
cabin of German Aerospace Centres concept train called Next Generation
Train (NGT).