In the present work, a numerical model of the temperature control curve (TCC) linearity of the heating ventilating and air conditioning (HVAC) module in automobile air-conditioning system is established. The numerical model is composed of several higher precision submodels. The simulation results are validated by experimental data performed on a calorimeter test bench. It is found that the simulation data agree with the experimental data very well. The maximum deviations of the airflow rate and the temperature are 3% and , respectively. The factors, which influenced the TCC linearity, are numerically studied. The simulation results show that the different door configuration needs to be matched with the division type for vent ducts of the HVAC module outlet, which can decrease the temperature stratification of airflow at the outlets. Cold and hot air mixing ratio determines the slope of the linearity curve. In addition, the further the distance between the HVAC module outlet and the mixing chamber and the greater the turbulent intensity, the more the cold-hot airflow will fully mix. It contributes to the temperature uniformity at the outlets.
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e-mail: quxiaohua@sjtu.edu.cn
e-mail: jpchen70@yahoo.com.cn
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December 2010
Research Papers
Numerical Model of the Temperature Control Curve Linearity of HVAC Module in Automobile Air-Conditioning System and Applications
Xiaohua Qu,
Xiaohua Qu
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
e-mail: quxiaohua@sjtu.edu.cn
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
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Zhaogang Qi,
Zhaogang Qi
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
Search for other works by this author on:
Junye Shi,
Junye Shi
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
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Jiangping Chen,
Jiangping Chen
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
e-mail: jpchen70@yahoo.com.cn
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
Search for other works by this author on:
Hua Zhou
Hua Zhou
School of Aerospace Engineering and Applied Mechanics,
Tongji University
, No. 100, Zhangwu Road, Shanghai 200092, P.R.China
Search for other works by this author on:
Xiaohua Qu
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
e-mail: quxiaohua@sjtu.edu.cn
Zhaogang Qi
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
Junye Shi
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
Jiangping Chen
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering,
Shanghai Jiao Tong University
, No. 800, Dong Chuan Road, Shanghai 200240, P.R. China
e-mail: jpchen70@yahoo.com.cn
Hua Zhou
School of Aerospace Engineering and Applied Mechanics,
Tongji University
, No. 100, Zhangwu Road, Shanghai 200092, P.R.China
J. Thermal Sci. Eng. Appl. Dec 2010, 2(4): 041008 (8 pages)
Published Online: February 24, 2011
Article history
Received:
August 13, 2010
Revised:
January 16, 2011
Online:
February 24, 2011
Published:
February 24, 2011
Citation
Qu, X., Qi, Z., Shi, J., Chen, J., and Zhou, H. (February 24, 2011). "Numerical Model of the Temperature Control Curve Linearity of HVAC Module in Automobile Air-Conditioning System and Applications." ASME. J. Thermal Sci. Eng. Appl. December 2010; 2(4): 041008. https://doi.org/10.1115/1.4003508
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