Research on Cooling Effect with Coolant Groove Structure Parameters in Platelet Transpiration Cooled Nosetip

CORC > 工程热物理研究所 > 中国科学院工程热物理研究所 > Journal of Thermal Science

	Research on Cooling Effect with Coolant Groove Structure Parameters in Platelet Transpiration Cooled Nosetip
	RONG Yisheng; LIU Weiqiang
刊名	JOURNAL OF THERMAL SCIENCE
	2010
卷号	19 期号:5 页码:438,444
关键词	Platelet Transpiration Cooling Nosetip Thermal Protection System Aerodynamic Heating
英文摘要	A platelet transpiration cooled nosetip is considered as thermal protection system (TPS) to prevent hypersonic ve- hicle from the serious aerodynamic heating. Based on the one dimensional flow model, a distribution model of coolant is proposed for the temperature calculation. When Si = Sj (i, j=1,...,24), the first cooling effect parameter Pmax is proposed and its relationship with total mass flux and ScO/Si is investigated. The result shows that Pmax increases while the total mass flux increases, and when the mass flux is fixed, Pmax increases rapidly at the be- ginning and then tums to a nearly stable value while ScO/Siincreases. Then under the precondition of cooling ef- fect, we fix ScO/Si to insure there is enough space for the pipe. Numerical investigation shows the design of the nosetip makes the transpiration cooling extremely effective. In order to reduce the temperature difference on the nosetip, the second cooling effect parameter Pdiff is proposed and different Pdiff with different egi (i=l,..., 23) are analyzed. According to the cases we design, Pdiff decreases while the upstream egi decreases or the down- stream Ogiincreases. The best result among cases shows Pdiffis reduced by 15.1%.
公开日期	2013-01-06
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/51667]
专题	工程热物理研究所_Journal of Thermal Science
推荐引用方式 GB/T 7714	RONG Yisheng,LIU Weiqiang. Research on Cooling Effect with Coolant Groove Structure Parameters in Platelet Transpiration Cooled Nosetip[J]. JOURNAL OF THERMAL SCIENCE,2010,19(5):438,444.
APA	RONG Yisheng,&LIU Weiqiang.(2010).Research on Cooling Effect with Coolant Groove Structure Parameters in Platelet Transpiration Cooled Nosetip.JOURNAL OF THERMAL SCIENCE,19(5),438,444.
MLA	RONG Yisheng,et al."Research on Cooling Effect with Coolant Groove Structure Parameters in Platelet Transpiration Cooled Nosetip".JOURNAL OF THERMAL SCIENCE 19.5(2010):438,444.