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内环肋管道强化换热的场协同分析 被引量：10

An analysis of the circumferential fins tubes heat enhancement with the field synergy principal
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摘要 通过对内环肋管道的湍流流动和等壁温条件下的换热进行数值模拟,以场协同理论为指导,在所研究的几何结构和计算雷诺数范围内(肋高比H/D=0.04-0.12,肋距比P/H=5-30,Re=20000- 70000),分析速度场与温度场的协同性,讨论其强化换热机制,说明了对于湍流流动,场协同原理也是适用的. The turbulent convective heat transfer in the finned tube with circumferential fins was investigated by numerical simulation, under the first thermal boundary conditions. The fin size (H/D) changes from 0. 04 to 0. 12 , fin spacing (P/H) from 5 to 30 and Reynolds number from 20 000 to 70 000. In the range of geometry scale and Re being researched, the field synergy principal is used to discuss the mechanism for enhancing heat transfer by analyzing the harmony between velocity field and temperature field. The results show that the field synergy principal can be applied to turbulent convection.
作者 马良栋 孙德兴 张吉礼
机构地区 哈尔滨工业大学市政环境工程学院
出处 《哈尔滨工业大学学报》 EI CAS CSCD 北大核心 2005年第3期299-302,共4页 Journal of Harbin Institute of Technology
基金 哈尔滨工业大学校科学研究基金资助项目(HIT.2000.23)
关键词 强化换热 场协同 数值模拟 heat transfer enhancement field synergy numerical simulation
分类号 TB61 [一般工业技术—制冷工程]
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参考文献7

  • 1GUO Z Y, LIU D Y, WANG B X. A novel concept for convection heat transfer enhancement [ J ]. Int J Heat Mass Transfer, 1998,41 (14) :2221 - 2225.
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二级参考文献15

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  • 7PANG K, TAO W O, ZHANG H H. Numerical analysis of fully developed fluid flow and heat transfer for arrays of interrupted plates positionedc onvergently - divergently along the flow direction[ J]. Numerical Heat Transfer,Part A. 1990,18:309 - 324.
  • 8LEE B K, CHON H, CHOI Y D. Analysis of periodically fully developed turbulent flow and heat transfer by K -eequation model in artificially roughened annulus [ J ].Int. J. Heat Mass Transfer. 1988,31(4) :1797 -1805.
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共引文献22

同被引文献93

引证文献10

二级引证文献22

哈尔滨工业大学学报
2005年 第3期

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