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International Journal of Automotive Technology > Volume 10(5); 2009 > Article
International Journal of Automotive Technology 2009;10(5): 561-566.
EXPERIMENTAL STUDY OF THE FLOW CHARACTERISTICS IN AN AUTOMOTIVE HVAC
H. S. JI1, S. J. LEE2
1
2POSTECH
ABSTRACT
Air flow inside an automotive HVAC module was visualized using a high-resolution PIV technique with varying temperature control modes. The PIV (particle image velocimetry) system used for the experiment consisted of a 2- head Nd:YAG laser (125 mJ), a high-resolution CCD camera (2 K
Key Words: HVAC, PIV, Temperature baffle, Bi-level mode, Flow visualization
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