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Energies 2017, 10(8), 1074; https://doi.org/10.3390/en10081074

Parametric Investigation Using Computational Fluid Dynamics of the HVAC Air Distribution in a Railway Vehicle for Representative Weather and Operating Conditions

1
AICIA, Andalusian Association for Research & Industrial Cooperation, Camino de los Descubrimientos s/n, Edf. Escuela Superior de Ingenieros de Sevilla, 41092 Seville, Spain
2
Thermal Engineering Group, Energy Engineering Department, School of Engineering, University of Seville, Camino de los Descubrimientos s/n, 41092 Seville, Spain
3
Hispacold, C/Pino Alepo 1, Polígono Industrial El Pino, 41016 Seville, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Bjørn H. Hjertager
Received: 26 June 2017 / Revised: 18 July 2017 / Accepted: 19 July 2017 / Published: 25 July 2017
(This article belongs to the Special Issue Engineering Fluid Dynamics)
View Full-Text   |   Download PDF [5009 KB, uploaded 25 July 2017]   |  

Abstract

A computational fluid dynamics (CFD) analysis of air distribution in a representative railway vehicle equipped with a heating, ventilation, air conditioning (HVAC) system is presented in this paper. Air distribution in the passenger’s compartment is a very important factor to regulate temperature and air velocity in order to achieve thermal comfort. A complete CFD model, including the car’s geometry in detail, the passengers, the luminaires, and other the important features related to the HVAC system (air supply inlets, exhaust outlets, convectors, etc.) are developed to investigate eight different typical scenarios for Northern Europe climate conditions. The results, analyzed and discussed in terms of temperature and velocity fields in different sections of the tram, and also in terms of volumetric parameters representative of the whole tram volume, show an adequate behavior from the passengers’ comfort point of view, especially for summer climate conditions. View Full-Text
Keywords: heating, ventilation, air conditioning; computational fluid dynamics; railway vehicle; heat transfer; thermal comfort; tram heating, ventilation, air conditioning; computational fluid dynamics; railway vehicle; heat transfer; thermal comfort; tram
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Suárez, C.; Iranzo, A.; Salva, J.A.; Tapia, E.; Barea, G.; Guerra, J. Parametric Investigation Using Computational Fluid Dynamics of the HVAC Air Distribution in a Railway Vehicle for Representative Weather and Operating Conditions. Energies 2017, 10, 1074.

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