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可调式喷射器流场数值分析

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2010-11-15

Journal: 大连理工大学学报

Included Journals: Scopus、CSCD、ISTIC、PKU、EI

Volume: 50

Issue: 6

Page Number: 942-945

ISSN: 1000-8608

Key Words: 喷射器;喷嘴;可调节;超音速;流场

Abstract: 建立了可调式喷射器的数学模型,使用FLUENT软件模拟了调节锥在不同位置的喷射器内部流场.结果显示,喷射器轴线上的压力在等截面混合室中呈线性增加;在扩压室的初始段升高迅速,中后段升高缓慢.混合室内中心部位的流速与边缘流速差异较大.调节锥轴向进入喷嘴喉部使激波位置移向上游,工作流量减少.

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