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Optimum Jet-to-Plate Spacing of Inline Impingement Heat Transfer for Different Crossflow Schemes
Xing YF(邢云绯); Weigand B; Xing, YF (reprint author), Chinese Acad Sci, State Key Lab High Temp Gas Dynam LHD, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationJOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME
2013-07
Volume135Issue:7Pages:072201/1-072201/8
ISSN0022-1481
AbstractA nine-by-nine jet array impinging on a flat plate at Reynolds numbers from 15,000 to 35,000 has been studied by the transient liquid crystal method. The spacing between the impingement plate and target plate is adjusted to be 1, 2, 3, 4, and 5 jet diameters. The effect of jet-to-plate spacing has been investigated for three jet-induced crossflow schemes, referred as minimum, medium, and maximum crossflow, correspondingly. The local air jet temperature is measured at several positions on the impingement plate to account for an appropriate reference temperature of the heat transfer coefficient. The jet-to-plate spacing, H/d - 3, is found to be better than the others for all the crossflow schemes. Jet-to-plate spacings H/d = 1 and H/d = 2 result in a sudden decrease in the stagnation zone. The large jet-to-plate spacings H/d = 4 and H/d = 5 could not provide higher heat transfer performance with higher crossflow.
KeywordImpingement Cooling Heat Transfer Jet-to-plate Spacing Crossflow
Subject Area空气动力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000326166900011
Funding OrganizationFriedrich- und Elisabeth Boysen Foundation
DepartmentLHD高超声速推进技术
Classification二类/Q1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47545
Collection高温气体动力学国家重点实验室
Corresponding AuthorXing, YF (reprint author), Chinese Acad Sci, State Key Lab High Temp Gas Dynam LHD, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Xing YF,Weigand B,Xing, YF . Optimum Jet-to-Plate Spacing of Inline Impingement Heat Transfer for Different Crossflow Schemes[J]. JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME,2013,135(7):072201/1-072201/8.
APA 邢云绯,Weigand B,&Xing, YF .(2013).Optimum Jet-to-Plate Spacing of Inline Impingement Heat Transfer for Different Crossflow Schemes.JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME,135(7),072201/1-072201/8.
MLA 邢云绯,et al."Optimum Jet-to-Plate Spacing of Inline Impingement Heat Transfer for Different Crossflow Schemes".JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME 135.7(2013):072201/1-072201/8.
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