Shunshun Qin1, Chengfen Xie1, Song Li1, Qi Yang1, Jianwei Chen2, Ke Sun2,*
FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.3, pp. 647-659, 2022, DOI:10.32604/fdmp.2022.017519
Abstract 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. More >
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