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Issue:
Numerical Analysis on Intake Channel Flow of a Gasoline Engine
Author(s):
ZHANG Chao
,
XU Tao
,
YAO Zuo
Pages:
42
-
45
Year:
2012
Issue:
7
Journal:
Tianjin Auto
Keyword:
Gasoline engine
;
Intake channel
;
Flow coefficient
;
Tumble ratio
;
Simulation
;
Test
;
Abstract:
为了得到某型汽油机进气道的流量系数和滚流比,验证模拟计算与试验测量的准确度,文章利用AVL—FIRE软件对某汽油机进气道的气流运动进行CFD分析,并将模拟计算值与试验测量值进行比较、通过模拟计算,得到了各模拟工况下的流量系数和滚流比结果表明:该汽油机最大气门升程时进气道的流量系数在0.6左右、进气道内部形成了较明显的滚流模拟计算可以较好地预测试验测量结果,可以用来指导进气道设计。
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