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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 104
Edited by: J. Pombo
Paper 328

Numerical Simulation of the Air Flow and Thermal Comfort in a Train Cabin

M. Konstantinov1 and C. Wagner1,2

1Institute of Thermodynamics and Fluid Mechanics, University of Technology Ilmenau, Germany
2Institute of Aerodynamics and Flow Technology, German Aerospace Center, Göttingen, Germany

Full Bibliographic Reference for this paper
M. Konstantinov, C. Wagner, "Numerical Simulation of the Air Flow and Thermal Comfort in a Train Cabin", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 328, 2014. doi:10.4203/ccp.104.328
Keywords: thermal comfort model, computational fluid dynamics, fiala-manikin-model, cabin air flow.

Results of numerical simulations of the air flow including the heat transport and the thermal radiation as well as 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. With these computations we simulated and analysed the thermal comfort of passengers in the cabin of DLRs concept train called next generation train (NGT).

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