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Title: Numerical investigation of helically coiled tube from the viewpoint of field synergy principle
Author: Guo, Jiangfeng1; Huai, Xiulan1
Source: APPLIED THERMAL ENGINEERING
Issued Date: 2016-04-05
Volume: 98, Pages:137-143
Keyword: Field synergy principle ; Entransy dissipation ; Helically coiled tube ; Heat exchanger ; Numerical simulation ; Heat transfer enhancement
DOI: 10.1016/j.applthermaleng.2015.12.012
DOC Type: Article
English Abstract: The heat transfer characteristics of helically coiled tube are numerically investigated from the viewpoint of field synergy principle, and the simulation results have a good agreement with experimental results. The heat transfer enhancement of helically coiled tube can be attributed to the improvement of the synergy between the velocity vector and temperature gradient due to secondary flow, and the effects of Reynolds number, curvature ratio, and coil pitch on heat transfer performance can be well described by the field synergy principle. Moreover, the entransy dissipation augmentation number is proposed to evaluate the heat transfer performance of helically coiled tube, which is found to be suitable to evaluate heat transfer augmentation techniques. (C) 2015 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS Subject Extended: Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS Keyword Plus: CONVECTIVE HEAT-TRANSFER ; ENTRANSY DISSIPATION THEORY ; ENTROPY GENERATION ; OPTIMIZATION DESIGN ; FORCED-CONVECTION ; TURBULENT-FLOW ; CURVED PIPE ; EXCHANGER ; LAMINAR ; PERFORMANCE
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51206166) ; Youth Innovation Promotion Association, CAS(2014128)
Language: 英语
WOS ID: WOS:000373863000013
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112501
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
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