多斜孔冷却技术分析
MULTIHOLE COOLING TECHNOLOGY ANALYSES
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摘要: 通过燃烧室火焰筒壁一种先进冷却技术(多斜孔壁)的计算分析表明, 采用这种冷却技术的火焰筒壁温要比纯气膜冷却的火焰筒壁温约低150K, 并且指出这种冷却技术中的内对流冷却项是使壁温降低的一项重要因素。Abstract: This paper is to analyse the advantage of the multihole cooling technology.The calculation showed that the combuster liner temperature with multihole cooling technology would be 150K to 200K less than the wall temperature with film cooling technology,and the term of inner convection within the multihole is the main factor to make the wall temperature being lower.
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