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Numerical study of the impact on high-pressure and evaporating spray behavior of nozzle cavitation at typical diesel engine conditions
Wang, Xiang1,2; Han, Zhiqiang3,4; Su, Wanhua4
2017-02-01
Source PublicationINTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
ISSN0735-1933
Volume81Pages:175-182
Abstract

In order to more accurately reproduce diesel sprays a strategy including measurement of nozzle inlet pressure at the realistic diesel injection condition, modeling of nozzle cavitating flow and detailed coupling of nozzle exit flow and spray was presented, moreover, the validity of this strategy was firstly verified against the quantitative spray data obtained by planar laser induced exciplex fluorescence (PLIEF) technique. Based on the above strategy, the effect of cavitation phenomenon on spray formation at the typical diesel engine condition was further evaluated. The final numerical results mainly clarified that the contribution of cavitation phenomena to primary breakup is quite appreciable, and subsequently the evolution of the high-pressure and evaporating diesel spray structure greatly changes as cavitation occurs inside fuel injection nozzles. Moreover, evaluating the effects of cavitation phenomena on realistic diesel spray cannot be only confined to primary breakup or near-nozzle field. (C) 2016 Elsevier Ltd. All rights reserved.

KeywordDiesel Spray Cavitation Sauter Mean Diameter Liquid Phase Penetration
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.icheatmasstransfer.2016.12.020
Indexed BySCI
Language英语
WOS KeywordIgnition Engines ; Vortex Flow ; Atomization ; Injector ; Breakup ; Model
WOS Research AreaThermodynamics ; Mechanics
WOS SubjectThermodynamics ; Mechanics
Funding OrganizationNational Natural Science Foundation of China through its key project(50636040) ; State Key Laboratory of Multiphase Complex Systems(MPCS-2011-D-07)
WOS IDWOS:000397359200021
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22109
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Xihua Univ, Sch Transportat & Automot Engn, Chengdu 610039, Peoples R China
4.Tianjin Univ, State Key Lab Engines, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xiang,Han, Zhiqiang,Su, Wanhua. Numerical study of the impact on high-pressure and evaporating spray behavior of nozzle cavitation at typical diesel engine conditions[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER,2017,81:175-182.
APA Wang, Xiang,Han, Zhiqiang,&Su, Wanhua.(2017).Numerical study of the impact on high-pressure and evaporating spray behavior of nozzle cavitation at typical diesel engine conditions.INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER,81,175-182.
MLA Wang, Xiang,et al."Numerical study of the impact on high-pressure and evaporating spray behavior of nozzle cavitation at typical diesel engine conditions".INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER 81(2017):175-182.
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