Parametric Investigation Using Computational Fluid Dynamics of the HVAC Air Distribution in a Railway Vehicle for Representative Weather and Operating Conditions
2017
Suárez Soria, Christian | Iranzo Paricio, José Alfredo | Salva, José Antonio | Tapia, Elvira | Barea, Gonzalo | Guerra Macho, José Julio | Universidad de Sevilla. Departamento de Ingeniería Energética
This article belongs to the Special Issue Engineering Fluid Dynamics. http://www.mdpi.com/journal/energies/special_issues/eng_fluid_dyn
Show more [+] Less [-]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
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