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Influences of area ratio and surface roughness on homogeneous condensation in ejector primary nozzle
Wang C(王辰); Wang L(王雷); Zou T(邹涛); Zhang, Hailun
作者部门工业控制网络与系统研究室
关键词Ejector Primary Nozzle Area Ratio Surface Roughness Homogeneous Condensation
发表期刊ENERGY CONVERSION AND MANAGEMENT
ISSN0196-8904
2017
卷号149页码:168-174
收录类别SCI ; EI
EI收录号20174104248883
WOS记录号WOS:000411537200014
产权排序2
资助机构Natural Science Foundation of Shandong Province [ZR2016FM24] ; National Natural Science Foundation of China [61374112] ; Fundamental Research Funds of Shandong University [2014JC022]
摘要Homogeneous condensation inside the ejector has been ignored by numerous researchers. In this paper, the wet steam model was utilized to study the influences of nozzle area ratio and surface roughness on homogeneous condensation in a primary nozzle. A substantial amount of latent heat is released during the homogeneous condensation process to increase static pressure and reduce Mach number. The increase of nozzle area ratio reduces condensation intensity and lowers nozzle pressure but increases liquid mass fraction. Furthermore, with the growth of surface roughness, the slightly increased dryness fraction is almost ineffective for alleviating erosion caused by tiny droplets; the slight decrease in mass flow. rate will reduce ejector performance to some extent, while the sharp increase of entropy generation results in more energy wastes. Therefore, nozzle area ratio and surface roughness should be carefully designed to alleviate potential condensation and enhance ejector performance at the same time. (C) 2017 Elsevier Ltd. All rights reserved.
语种英语
WOS标题词Science & Technology ; Physical Sciences ; Technology
WOS类目Thermodynamics ; Energy & Fuels ; Mechanics
关键词[WOS]WET STEAM FLOW ; REFRIGERATION SYSTEM ; NONEQUILIBRIUM CONDENSATION ; ENTROPY GENERATION ; HEAT-TRANSFER ; THERMO-COMPRESSOR ; WATER-VAPOR ; PERFORMANCE ; PRESSURE ; R134A
WOS研究方向Thermodynamics ; Energy & Fuels ; Mechanics
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/21090
专题工业控制网络与系统研究室
通讯作者Wang L(王雷); Zou T(邹涛)
作者单位1.School of Control Science and Engineering, Shandong University, Jinan, 250061, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
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GB/T 7714
Wang C,Wang L,Zou T,et al. Influences of area ratio and surface roughness on homogeneous condensation in ejector primary nozzle[J]. ENERGY CONVERSION AND MANAGEMENT,2017,149:168-174.
APA Wang C,Wang L,Zou T,&Zhang, Hailun.(2017).Influences of area ratio and surface roughness on homogeneous condensation in ejector primary nozzle.ENERGY CONVERSION AND MANAGEMENT,149,168-174.
MLA Wang C,et al."Influences of area ratio and surface roughness on homogeneous condensation in ejector primary nozzle".ENERGY CONVERSION AND MANAGEMENT 149(2017):168-174.
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