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IntroductionIt is obvious that the gas flow in the exhaustmanifolds,especially at the conjunctions has amulti- dimensional characteristic[1] .The study onthis characteristic is very important for the uti-lization of exhaustenergy and the decrease of ex-haust pumping loss.In this paper,the measure-ment of cold flow has been carried out to studythe multi- dimensional phenomena of unsteadyflow in the exhaust manifolds.In order to em-phasis the important characteristics of the flowand reduce the a… 相似文献
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