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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Print: 2152-5102
ISSN Online: 2152-5110

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v35.i2.40
pages 146-162

Experimental Investigations into Defrost Mode Flow for Vehicle Thermal Comfort

M. Alhajri
Mechanical P. Eng Dept, Faculty of Tech. Study, Kuwait
A. Arrousi
Management, Manufacturing, Material and Mechanical Eng. School, Nottingham University, England
S. Agil
Management, Manufacturing, Material and Mechanical Eng. School, Nottingham University, England

ABSTRACT

The air conditioning system of vehicle requires approximately four thousands watts of mechanical power to operate and satisfy the human comfort while human body dissipates only one hundreds watts to the environments. The consumption of the fuel in United States for use of HVAC systems in vehicles is approximately twenty six litres [18].
This paper describes the measurements for the one-fifth scaled model used of passenger car. The measurements are obtained using the Particle Image Velocimetry (PIV) and Laser Doppler anemometry (LDA) techniques. The analysis of the flow inside the model is obtained and discussed for defrost ventilation mode. The effects of this mode on the occupants are examined under the presence of a driver manikin in position and no other passengers are included in the model. The measurements of the velocity flow field are taken at various planes in the vertical and horizontal directions.


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