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Solar-Enhanced Air-Cooled Heat Exchangers for Geothermal Power Plants
Hooman, Kamel1; Huang, Xiaoxue2; Jiang, Fangming2
2017-10-01
发表期刊ENERGIES
ISSN1996-1073
卷号10期号:10
摘要This paper focuses on the optimization of a Solar-Enhanced Natural-Draft Dry-Cooling Tower (SENDDCT), originally designed by the Queensland Geothermal Energy Centre of Excellence (QGECE), as the air-cooled condenser of a geothermal power plant. The conventional method of heat transfer augmentation through fin-assisted area extension is compared with a metal foam-wrapped tube bundle. Both lead to heat-transfer enhancement, albeit at the expense of a higher pressure drop when compared to the bare tube bundle as our reference case. An optimal design is obtained through the use of a simplified analytical model and existing correlations by maximizing the heat transfer rate with a minimum pressure drop goal as the constraint. Sensitivity analysis was conducted to investigate the effect of sunroof diameter, as well as tube bundle layouts and tube spacing, on the overall performance of the system. Aiming to minimize the flow and thermal resistances for a SENDDCT, an optimum design is presented for an existing tower to be equipped with solar panels to afterheat the air leaving the heat exchanger bundles, which are arranged vertically around the tower skirt. Finally, correlations are proposed to predict the total pressure drop and heat transfer of the extended surfaces considered here.
文章类型Article
关键词Heat Exchangers Air-cooled Condensers Geothermal Cooling Tower
WOS标题词Science & Technology ; Technology
DOI10.3390/en10101676
研究领域[WOS]Energy & Fuels
关键词[WOS]DRY COOLING-TOWER ; PERFORMANCE ; CROSSWIND
收录类别SCI
语种英语
WOS类目Energy & Fuels
WOS记录号WOS:000414578400231
出版者MDPI AG
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/16501
专题中国科学院广州能源研究所
通讯作者Hooman, Kamel
作者单位1.Univ Queensland, Sch Mech & Min Engn, Brisbane, Qld 4072, Australia
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Lab Adv Energy Syst,Key Lab Renewable Energy, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
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Hooman, Kamel,Huang, Xiaoxue,Jiang, Fangming. Solar-Enhanced Air-Cooled Heat Exchangers for Geothermal Power Plants[J]. ENERGIES,2017,10(10).
APA Hooman, Kamel,Huang, Xiaoxue,&Jiang, Fangming.(2017).Solar-Enhanced Air-Cooled Heat Exchangers for Geothermal Power Plants.ENERGIES,10(10).
MLA Hooman, Kamel,et al."Solar-Enhanced Air-Cooled Heat Exchangers for Geothermal Power Plants".ENERGIES 10.10(2017).
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