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Study for the Cooling Performance Improvement of a Mini Bus  

Lyu, Myung-Seok (Commercial Vehicle R&D Center, Hyundai Motor Company)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.13, no.2, 2005 , pp. 10-15 More about this Journal
Abstract
This study was initiated to evaluate the cooling performance of CAC (charged air cooler) and radiator in the engine room of a mini bus. So we had firstly to predict the mass flow rate coming from radiator grille and front bum per opening using computational fluid dynamics (CFD) simulation based on 3D configuration. And simulations were carried out for different cooling module layout and bum per opening hole size on sam e vehicle operating condition. Simulation results show that CAC cooling performance at reverse protecting plate-applying model was much efficient than that of the bum per opening hole size-increasing model in IMTD point of view. Part of the CFD simulation results was com pared to with experimental data. It was confirm ed that the CFD approach using STAR-CD based on pursuing no-com promise solution could provide design engineers with useful design information in the early design stage of vehicle development.
Keywords
CFD; TTD(Top Temperature Difference); IMTD(Intake Manifold Temperature Difference); Porous medium; CAC(Charged Air Cooler);
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  • Reference
1 ES-UHOOD Users Manuals, Version 1.0, CD-adapco LTD. United States, 2002
2 STAR-CD Users Manuals, Version 3.15A, CD-adapco Korea LTD., Korea, 2003
3 K .G. Mahmoud, E. Loibner, B. Wiesler 'Simulation-based Vehicle Thermal Management System-Concept and Methology,' Transactions of SAE, 2003
4 A. Tang, J. Bozeman, D. Turner and Suresh Vemuri, 'CFRM Concept for Vehicle Thermal System,' Transactions of SAE, 2002
5 M. S. Lyu, Y. G. Ku, 'Numerical and Experimental Study of Three Dimensional Flow in Engine Room,' Transactions of SAE 960270, 1996
6 J.-S. Maeng, J.-Y. Youn and H.-G. Son, 'Reengineering of Bus Engine Room Structure for Preventing Thermal Damages,' Transactions of KSAE, Vol.8, No.3, pp.46-55, 2000
7 M. S. Lyu, E. J. Lee, 'The Numerical Study of the Effect of Car Front Opening Area on the Mean Flow in Engine Room,' Transactions of KSAE, Vol.4, No.2, pp.158-165, 1996