Field synergy theory based convective heat transfer in an enhanced tube with multiple spiral coils

JIN Guang; WANG Zhengwen; TIAN Rui; YU Ye

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Field synergy theory based convective heat transfer in an enhanced tube with multiple spiral coils

Thermal Power Generation Vol. 44, Issue 1, Pages: 30-33(2015)

更新时间：2025-09-28

- Field synergy theory based convective heat transfer in an enhanced tube with multiple spiral coils
- 作者机构：
  
  1. 内蒙古科技大学能源与环境学院
  2. 内蒙古工业大学能源与动力工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK124
- Published：2015
- 稿件说明：
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JIN Guang, WANG Zhengwen, TIAN Rui, et al. Field synergy theory based convective heat transfer in an enhanced tube with multiple spiral coils[J]. Thermal Power Generation, 2015, 44(1): 30-33.
DOI：

JIN Guang, WANG Zhengwen, TIAN Rui, et al. Field synergy theory based convective heat transfer in an enhanced tube with multiple spiral coils[J]. Thermal Power Generation, 2015, 44(1): 30-33. DOI：

摘要

针对太阳能集热管内强化对流换热的突出问题

应用场协同理论

采用铜丝制成多叶螺旋线圈内插元件

对双叶螺旋线圈和三叶螺旋线圈增强流道管壁与工质之间的换热性能进行了实验研究。结果表明:多叶螺旋线圈管道内协同角余弦值cosβ增大

对流换热场协同数Fc较空管有大幅提升

速度场和温度场具有良好的协同性;在以水为工质的定热流工况下(240 关键词(KeyWords)：平板太阳能集热器;多叶螺旋线圈;场协同;强化换热 Abstract: Keywords: 基金项目(Foundation): 作者(Author): 金光

王正文

田瑞

于晔

Abstract

To solve the prominent problem of convective heat transfer enhancement in solar collector tubes

experimental investigation on enhancing heat transfer between tube well and medium by copper inserts with double multiple spiral coils and three multiple spiral coils was conducted

by using field synergy theory.The results show that

the convective field synergy number Fc increases sharply with the synergy angle cosine cosβin the multiple spiral coils tubes.Moreover

the velocity field and temperature field also show a good cooperativity.The working fluid with three spiral coils has the best comprehensive heat transfer performance

under the condition with constant heat flow(240 Key Words： flat-plate solar collector

multiple spiral coils

field synergy

heat transfer enhancement Abstract: Keywords: Foundation: Authors: JIN Guang;WANG Zhengwen;TIAN Rui;YU Ye;

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