Experimental flow boiling characteristics of R134a/R245fa mixture inside smooth horizontal tube

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	Experimental flow boiling characteristics of R134a/R245fa mixture inside smooth horizontal tube
	Gueo, Cong 1,2; Wang, Jing 1; Du, Xiaoze 1; Yang, Lijun 1
刊名	APPLIED THERMAL ENGINEERING
	2016-06-25
卷号	103 页码:901-908
关键词	Flow boiling Evaporator Working fluid Mixture Organic Rankine Cycle
英文摘要	The flow boiling characteristics were experimentally studied in smooth horizontal tube for pure R245fa and one of its mixtures, R134a/R245fa with 0.82/0.18 in mass fraction, which was regarded as a promising working fluid for Organic Rankine Cycle (ORC). The flow boiling heat transfer coefficient and pressure drop for the two fluids were measured under different vapor quality, mass flux, tube wall heat flux and evaporating pressure. Correlation for predicting the flow boiling heat transfer coefficient was developed for the selected mixture based on the experimental data. The results indicated that the flow boiling heat transfer coefficients of the two working fluids went up with mass flux, heat flux and evaporating pressure under the experimental conditions. The mixture of R134a/R245fa with 0.82/0.18 in mass fraction had less pressure drop, but higher heat transfer coefficient than that of the pure R245fa. The absolute errors of 89% experimental data are within 10% of prediction of the present developed correlation for the mixture. The results may benefit the potential utilization of R134a/R245fa in ORC. (C) 2016 Elsevier Ltd. All rights reserved.
WOS标题词	Science & Technology ; Physical Sciences ; Technology
类目[WOS]	Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
研究领域[WOS]	Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
关键词[WOS]	ORGANIC RANKINE-CYCLE ; HEAT-TRANSFER CHARACTERISTICS ; SILICON MULTI-MICROCHANNELS ; WORKING FLUIDS ; PRESSURE-DROP ; ZEOTROPIC MIXTURES ; TRANSFER COEFFICIENTS ; REFRIGERANT MIXTURES ; PERFORMANCE ANALYSIS ; GENERAL CORRELATION
收录类别	SCI
语种	英语
WOS记录号	WOS:000379560500088
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/112491]
专题	工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位	1.North China Elect Power Univ, Key Lab Condit Monitoring & Control Power Plant E, Minist Educ, Beijing 102206, Peoples R China 2.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Gueo, Cong,Wang, Jing,Du, Xiaoze,et al. Experimental flow boiling characteristics of R134a/R245fa mixture inside smooth horizontal tube[J]. APPLIED THERMAL ENGINEERING,2016,103:901-908.
APA	Gueo, Cong,Wang, Jing,Du, Xiaoze,&Yang, Lijun.(2016).Experimental flow boiling characteristics of R134a/R245fa mixture inside smooth horizontal tube.APPLIED THERMAL ENGINEERING,103,901-908.
MLA	Gueo, Cong,et al."Experimental flow boiling characteristics of R134a/R245fa mixture inside smooth horizontal tube".APPLIED THERMAL ENGINEERING 103(2016):901-908.