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Heat Transfer Sensitivity Study for an Advanced Diesel Engine
Technical Paper
2003-01-0561
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper uses CFD methodology to simulate a prototype Diesel engine operating at high peak pressures (HPP). Under these conditions the accurate estimation of the level of thermomechanical stress on metal components is crucial for the design process. CFD simulations have been performed of flow, combustion and heat transfer to provide detailed insight into the in-cylinder behaviour of the engine. Particular emphasis was put on improving wall heat transfer predictions which have been compared with detailed local time-resolved surface heat transfer measurements. It is demonstrated that heat transfer strongly depends on flame spread via flow field and spray-related processes. Hence local heat transfer measurements also provide a stringent testing ground for spray and combustion model performance. Additionally it is shown that widely-used empirical heat transfer correlations are incapable of estimating the critical level and nature of thermal loading.
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Citation
Kleemann, A. and Gosman, A., "Heat Transfer Sensitivity Study for an Advanced Diesel Engine," SAE Technical Paper 2003-01-0561, 2003, https://doi.org/10.4271/2003-01-0561.Also In
Computer Aided Engineering of Vehicle & Engine Systems & Components
Number: SP-1740; Published: 2003-03-03
Number: SP-1740; Published: 2003-03-03
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