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http://dx.doi.org/10.3795/KSME-B.2011.35.2.161

Numerical Study on the Performance Assessment for Defrost and De-Icing Modes  

Kim, Yoon-Kee (School of Mechanical Engineering, Pusan Nat'l Univ.)
Yang, Jang-Sik (Clean Coal Center, Pusan Nat'l Univ.)
Kim, Kyung-Chun (School of Mechanical Engineering, Pusan Nat'l Univ.)
Ji, Ho-Seong (School of Mechanical Engineering, Pusan Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.35, no.2, 2011 , pp. 161-168 More about this Journal
Abstract
The heating, ventilating, air conditioning (HVAC) system is a very important part of an automotive vehicle: it controls the microclimate inside the passenger's compartment and removes the frost or mist that is produced in cold/rainy weather. In this study, the numerical analysis of the defrost duct in an HVAC system and the de-icing pattern is carried out using commercial CFX-code. The mass flow distribution and flow structure at the outlet of the defrost duct satisfied the duct design specification. For analyzing the de-icing pattern, additional grid generation of solid domain of ice and glass is pre-defined for conductive heat transfer. The flow structure near the windshield, streakline, and temperature fields clearly indicate that the de-icing capacity of the given defrost duct configuration is excellent and that it can be operated in a stable manner. In this paper, the unsteady changes in temperature, water volume fraction, and static enthalpy at four monitoring points are discussed.
Keywords
Heating; Ventilating; Air Conditioning System; Defrosting Pattern; Windshield Glass; Vision Area; Enthalpy Method;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By SCOPUS : 0
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