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논문 상세정보

전산해석에 의한 자동차용 HVAC 시스템의 성능 연구

A Numerical Study for Performance of Automotive HVAC System

Abstract

In automotive air handling system, mixing of air streams by the cooler and the heater affects the comfort of cabin room. In the present study, computer-aided analysis is done to improve the thermal comfort and for the optimal design of automotive HVAC system. The simulation software used was FLUENT, and complicate geometries were created by three dimensional CAD. Air flow volume, fir distribution rate and temperature controllability and temperature differences between upper and lower discharge air are analyzed through numerical simulation at vent, floor and defrost mode. Also, velocity vector of sirocco fan is investigated through the scroll housing. The velocity vector magnitude is larger at lower region of fan than that at any other regions. Recirculation and disturbance of air is relatively high near the cut-off edge in the scroll housing. By using the results of this study, the time for prototype production can be reduced and timely decisions can be made to determine initial design directions.

참고문헌 (12)

  1. CurrIe, J, and Maue, J" 2000, Numerical Study of the Influence of Air Vent Area and Air Mass Flex on the Thermal Comfort of Car Occupants, SAE, 2000-01-0980 
  2. Aroussi, A, Hassan, A, Clayton, B., Abdul Nour, B. S. and Rice, E., 2000, Improving Vehicle Windshield Defrosting and Demisting,SAE, 2000-01-1278 
  3. Skea, A F., Harrison, R. D., Baxendale, A J,and Fletcher, D, 2001, Comparison of CFD Simulation Methods and Thermal Imaging with Windscreen Defrost Pattern, SAE,2001-01-1720 
  4. Anderson, G., Padgaonkar, A, Ecer, A and Didandeh, H., 1991, Computer-Aided Analysis of Airflow in the Design of Air Conditioning Systems, SAE, 910646 
  5. Yoo, S. Y. and Lee, D. W., 2002, An Experimental study on performance and flow characteristics of automotive sirocco fan,Korean Journal of Air Conditioning and Refrigeration Engineering, Vol. 14, No. 11, pp.954-963 
  6. Abdul Ghani, S. A A, Aroussi, A and Rice,E., 2001, PIV Measurement and Numerical Simulation of the Airflow Field in a Road Vehicle HVAC Splitter Duct, SAE 200101-1761 
  7. Lee, J, G., Jiang, Y, Przekwas, A J, and Sioshansi, M., 1993, Automotive Windshield Ice-Clearing Analysis, SAE, 930289 
  8. Werner, F. and Frik, S., 1995, Optimization of an Automotive HVAC Module by Mean of Computational Fluid Dynamics, SAE,950439 
  9. Shen, F. Z., Backer, G. P. and Swanson, D.,1995, HVAC Plenum Design Analysis, SAE,950113 
  10. Currel, J, 1996, Application of Computational Fluid Dynamics for The Optimization of Air Ducts, 29th International Symposium on Automotive Technology and Automation 
  11. Kawamoto, H., Hosokawa, Y, Suto, M. and Nakajima, K, 1986, Comfort Evaluation of Heating and Air Conditioning Systems, SAE, 860590 
  12. Fluent Inc., 1991, FLUENT User's Guide, Version 4.0, pp.173-174 

이 논문을 인용한 문헌 (4)

  1. Choi, Yong-Don ; Kang, Yong-Tae ; Kim, Nae-Hyun ; Kim, Man-Hoe ; Park, Kyoung-Kuhn ; Park, Byung-Yoon ; Park, Jin-Chul ; Hong, Hi-Ki 2007. "Recent Progress in Air Conditioning and Refrigeration Research - A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2004 and 2005 -" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 19(1): 94~131 
  2. Yoo, Seong-Yeon ; Lee, Dae-Woong ; Kim, Jin-Hyuck 2007. "An Experimental Study on Performance Improvement of Automotive Air Handling System" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 19(9): 622~629 
  3. Yi, Chung-Seob ; Suh, Jeong-Se ; Song, Chul-Ki ; Yun, Ji-Hun 2010. "A Study on Performance of Cooling Fan for Auto Transmission Oil Cooler in the Large-Size Diesel Engine" 유체기계저널 = Journal of fluid machinery, 13(6): 71~76 
  4. Kim, J.K. ; Oh, S.H. 2012. "Three-Dimensional Computational Flow Analysis of a Sirocco Fan for a Package Air Conditioner by LES" 한국동력기계공학회지 = Journal of the korean society for power system engineering, 16(4): 51~59 

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