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Date of Publication:2004-01-01

Journal:内燃机学报

Affiliation of Author(s):能源与动力学院

Issue:6

Page Number:525-531

ISSN No.:1000-0909

Abstract:Cooling-water flow and heat transfer directly influences the cooling efficiency of diesel engine, thermal load of high temperature components, heat distribution of engine and energy utilization. In this paper, heat transfer boundary condition of cylinder block water jacket is determined by means of liquid-solid coupled method. Three dimension numerical simulation of flow and heat transfer of cooling system in a six-cylinder diesel engine is employed using the commercial Computation Fluid Dynamic (CFD) software STAR-CD. The simulated results supply the information on flow field, distribution of heat transfer coefficient and pressure losses of engine water jacket and provide theoretical evidence for diesel water jacket optimization.

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