In-Cylinder Heat Transfer Model for Diesel Engine Based on Improved Woschni Correlation

Xiao Ri Liu; Guo Xiang Li; Yu Ping Hu; Shu Zhan Bai; Kang Yao Deng

doi:10.4028/www.scientific.net/AMM.538.175

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 538In-Cylinder Heat Transfer Model for Diesel Engine...

In-Cylinder Heat Transfer Model for Diesel Engine Based on Improved Woschni Correlation

Abstract:

Based on the Woschni correlation, a three dimensional in-cylinder heat transfer model is proposed, which develops Woschni correlation from zero dimension to three dimension. Characteristic parameters are proposed as transient flow and heat transfer parameters from in-cylinder CFD simulation, with further consideration of the influence of thermal conductivity, viscosity and Prandtl number. According to test data, the new correlation can be regressed. The new model costs little more calculation time, and it can satisfy the engineering demand.

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Periodical:

Applied Mechanics and Materials (Volume 538)

Pages:

175-178

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.538.175

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Online since:

April 2014

Authors:

Xiao Ri Liu*, Guo Xiang Li, Yu Ping Hu, Shu Zhan Bai, Kang Yao Deng

Keywords:

Characteristic Parameters, Diesel Engine, In-Cylinder Heat Transfer, Woschni Correlation

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