吉林大学学报(工学版) ›› 2021, Vol. 51 ›› Issue (6): 1933-1942.doi: 10.13229/j.cnki.jdxbgxb20210186
• 车辆工程·机械工程 •
胡兴军1(),张靖龙1,罗雨霏1,辛俐1,李胜2,胡金蕊2,兰巍1()
Xing-jun HU1(),Jing-long ZHANG1,Yu-fei LUO1,Li XIN1,Sheng LI2,Jin-rui HU2,Wei LAN1()
摘要:
首先,通过试验方法获得了基准空冷中冷器在不同速度时的冷侧静压降和传热系数。然后,采用计算流体力学方法对试验值进行了验证,结果表明,对于静压降,试验值与仿真值的绝对误差不超过7%,而传热系数则不超过15%,说明当前仿真的准确性。接着,继续采用计算流体方法研究了冷侧风速为6 m/s时,不同冷却管前缘半径R1及进气方向β对空冷中冷器冷侧热工水力性能的影响,结果表明,当R1=3.6 mm且β=90°时,Fanning摩擦因子f取得各工况中的最小值;当R1=0 mm且β=90°时,努赛尔数Nu取得各工况中的最大值;当
中图分类号:
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