双向扩张孔出口宽度对气膜冷却特性影响

推进技术 ›› 2016, Vol. 37 ›› Issue (11): 2088-2096.

双向扩张孔出口宽度对气膜冷却特性影响

李广超¹,付建²,张魏^1,3,寇志海¹

沈阳航空航天大学航空航天工程学部辽宁省航空推进系统先进测试技术重点实验室，辽宁沈阳110136,北京航空航天大学能源与动力工程学院，北京100191,沈阳航空航天大学航空航天工程学部辽宁省航空推进系统先进测试技术重点实验室，辽宁沈阳110136;西北工业大学动力与能源学院，陕西西安710072,沈阳航空航天大学航空航天工程学部辽宁省航空推进系统先进测试技术重点实验室，辽宁沈阳110136

发布日期:2021-08-15
作者简介:李广超，男，博士，副教授，研究领域为航空发动机热端部件传热与冷却技术。
基金资助:
国家自然科学基金(51306126)；航空科学基金(2012ZB54006)；辽宁省自然科学基金(2015020112)。

EffectsofExitWidthonFilmCoolingCharacteristics

LiaoNingKeyLaboratoryofAdvancedTestandMeasurementforAviationPropulsionSystem，FacultyofAerospace Engineering，ShenyangAerospaceUniversity，Shenyang110136，China,SchoolofEnergyandPowerEngineering，BeijingUniversityofAeronauticsandAstronautics，Beijing100191，China,LiaoNingKeyLaboratoryofAdvancedTestandMeasurementforAviationPropulsionSystem，FacultyofAerospace Engineering，ShenyangAerospaceUniversity，Shenyang110136，China;SchoolofPowerandEnergy，NorthwesternPolytechnicalUniversity，Xi’an710072，China and LiaoNingKeyLaboratoryofAdvancedTestandMeasurementforAviationPropulsionSystem，FacultyofAerospace Engineering，ShenyangAerospaceUniversity，Shenyang110136，China

Published:2021-08-15

摘要/Abstract

摘要： 采用窄带液晶瞬态测温技术，研究了圆柱孔和不同出口宽度双向扩张孔气膜冷却特性。主

关键词: 瞬态测量；热色液晶；图像处理；气膜冷却；冷却效率；换热系数

Abstract: Thefilmcoolingcharacteristicsofcylindricalholeanddual-fannedholeswerestudiedbynar

Key words: Transientmeasurement；Thermochromicliquidcrystal；Imageprocessing；Filmcooling；

李广超,付建,张魏,寇志海. 双向扩张孔出口宽度对气膜冷却特性影响[J]. 推进技术, 2016, 37(11): 2088-2096.

LIGuang-chao¹,FUJian²,ZHANGWei^1,3,KOUZhi-hai¹. EffectsofExitWidthonFilmCoolingCharacteristics[J]. Journal of Propulsion Technology, 2016, 37(11): 2088-2096.

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