Abstract
In the present study, a model experiment is performed in order to clarify the airflow characteristics of a car cabin. In addition, this study provides high precision data for a benchmark test using the CFD (Computational Fluid Dynamics) analysis method. Initially, the study focuses on the ventilation mode that describes the flow field in the car cabin obtained from an experiment with PIV. The car cabin model is made of transparent acrylic resin and measures 1,450 mm×700 mm×900 mm, almost half the size of a real car, and was installed in a thermostatic chamber. In the experiment, the cabin model was controlled by an orifice tube and a pressure gauge in order to confirm the airflow rate. The PIV measurement was performed at a total of 18 regions within the section. The analyzed PIV data provides the mean velocity profile, the standard deviation distribution and the turbulence intensity distribution at each region.
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Jeong-Hoon Yang: Yang received his M.Sc. (Eng) in Architecture Engineering in 2002 from the University of Tokyo. He received his Ph.D. in Architecture Engineering in 2005 also from the University of Tokyo. He worked at the Institute of Industrial Science, the University of Tokyo as a post-doctor in 2005. He has worked at the School of Architecture, Yeungnam University as an assistant professor since 2006. His research interests are Airflow Visualization, PIV, CFD, Ventilation Efficiency, and Thermal Comfort in architectural space.
Shinsuke Kato: For more than 20 years, Prof. Kato has managed the research on Building and Environmental Control Engineering at the Institute of Industrial Science, the University of Tokyo, since graduating from the University of Tokyo (Department of Engineering, Faculty of Architecture). He has been engaged in special research into the experimental study and the numerical simulation of turbulent airflow in rooms and around buildings.
Hideaki Nagano: Nagano received his master’s degree in Architecture Engineering in 2008 from the University of Tokyo. He is a Ph. D. student at the University of Tokyo. His research interests are human sensation for indoor environment, airflow and temperature distributions in rooms, and ventilation efficiency.
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Yang, J.H., Kato, S. & Nagano, H. Measurement of airflow of air-conditioning in a car with PIV. J Vis 12, 119–130 (2009). https://doi.org/10.1007/BF03181954
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DOI: https://doi.org/10.1007/BF03181954