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CFD Analysis and Optimization of a Diesel Engine Cooling Water Jacket

Shunshun Qin1, Chengfen Xie1, Song Li1, Qi Yang1, Jianwei Chen2, Ke Sun2,*

1 State Key Laboratory of Engine Reliability, Weichai Power Co., Ltd., Weifang, 261061, China
2 School of Energy and Power Engineering, Shandong University, Jinan, 250061, China

* Corresponding Author: Ke Sun. Email: email

(This article belongs to this Special Issue: Recent Advances in Fluid Mechanics and Thermal Sciences)

Fluid Dynamics & Materials Processing 2022, 18(3), 647-659.


The STAR-CCM + software is used to investigate the flow inside a cooling water jacket of an in-line six-cylinder diesel engine. The results show that the average flow velocity of the cooling water inside the jacket is 1.669 m/s while the flow velocity distribution is not uniform for each cylinder. Moreover, the fluid velocity in proximity to the cylinder head is too low, thereby affecting the cooling performances of the water jacket. Two corresponding structural optimization schemes are proposed to mitigate this issue and the post-optimization performances of the water jacket are discussed in detail.


Cite This Article

Qin, S., Xie, C., Li, S., Yang, Q., Chen, J. et al. (2022). CFD Analysis and Optimization of a Diesel Engine Cooling Water Jacket. FDMP-Fluid Dynamics & Materials Processing, 18(3), 647–659.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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