CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Experimental study of heat transfer enhancement for molten salt with transversely grooved tube heat exchanger in laminar-transition-turbulent regimes
Chen, YS; Tian, J; Fu, Y; Tang, ZF; Zhu, HH; Wang, NX
2018
Source PublicationAPPLIED THERMAL ENGINEERING
ISSN1359-4311
Volume132Pages:95-101
Subtype期刊论文
AbstractIn an effort to develop a heat transfer enhancement technique for molten salt in heat exchanger, experiments are carried out to evaluate the heat transfer performance of transversely grooved tube using molten salt as the hot fluid flowing through the inner concentric tube within the Reynolds number from 300 to 60,000 and Prandtl number from 11 to 27. The effects of Reynolds number and Prandtl number on the thermal-hydraulic behavior in laminar, transition and turbulent flow are studied. Results show that transversely grooved tube will significantly enhance the heat transfer performance of molten salt and meanwhile decrease the critical Reynolds numbers of the transition from laminar flow to turbulent flow. For laminar flow and transition flow, heat transfer enhancement ratio relative to the smooth tube varies with the changing of Reynolds number and Prandtl number. While for the turbulent flow, the enhancement effect is almost independent on Reynolds number and Prandtl number. Finally, heat transfer correlations of molten salt in transversely grooved tube are proposed depending upon the flow regime and have good agreement with experiment data. Experimental results will provide valuable reference and greatly contribute to the practical design of molten salt heat exchanger with heat transfer enhancement techniques. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordConcentric Tube Corrugated Tubes Region Flow Roughness Reactor Channel Wall
DOI10.1016/j.applthermaleng.2017.12.054
Indexed BySCI
Language英语
WOS IDWOS:000426021800010
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29014
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Chen, YS
2.Tian, J
3.Fu, Y
4.Tang, ZF
5.Zhu, HH
6.Wang, NX
Recommended Citation
GB/T 7714
Chen, YS,Tian, J,Fu, Y,et al. Experimental study of heat transfer enhancement for molten salt with transversely grooved tube heat exchanger in laminar-transition-turbulent regimes[J]. APPLIED THERMAL ENGINEERING,2018,132:95-101.
APA Chen, YS,Tian, J,Fu, Y,Tang, ZF,Zhu, HH,&Wang, NX.(2018).Experimental study of heat transfer enhancement for molten salt with transversely grooved tube heat exchanger in laminar-transition-turbulent regimes.APPLIED THERMAL ENGINEERING,132,95-101.
MLA Chen, YS,et al."Experimental study of heat transfer enhancement for molten salt with transversely grooved tube heat exchanger in laminar-transition-turbulent regimes".APPLIED THERMAL ENGINEERING 132(2018):95-101.
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