平直开缝翅片传热特性的三维数值模拟及场协同原理分析

工程热物理学报 , 2003, 24(5): 825-827.

1.西安交通大学动力工程多相流国家实验室,陕西,西安,710049

2.西安交通大学动力工程多相流国家实验室,陕西,西安,710049

3.西安交通大学动力工程多相流国家实验室,陕西,西安,710049

基金项目: 国家自然科学基金(50076034) 国家重点基础研究发展计划(973计划)(G2000026303)

3D NUMERICAL SIMULATION ON HEAT TRANSFER PERFORMANCE OF SLIT FIN SURFACESE AND ANALYSIS WITH FIELD SYNERGY PRINCIPLE

本文用数值模拟的方法对翅片管换热器中广泛使用的平直开缝翅片的传热特性进行了数值模拟.结果表明在平翅片后部开缝与在翅片前部开缝相比,换热增强更多,并用场协同理论分析说明,在速度场和温度场协同比较差的区域开缝要比在场协同比较好的区域开缝对传热强化更有效.

[1]	Kang H C;Kim M H .Effect of Strip Location on the Air-Side Pressure Drop and Heat Transfer in Strip Finand-Tube Heat Exchanger[J].International Journal of Refrigeration-Revue Internationale du Froid,1999,22:303-310.
[2]	Shah R K.Progress in the Numerical Analysis of Compact Heat Exchanger Surfaces Advances in Heat Transfer[M].New York:Academic Press,2001:363-442.
[3]	Guo ZY.;Wang BX.;Li DY. .A novel concept for convective heat transfer enhancement[J].International Journal of Heat and Mass Transfer,1998(14):2221-2225.
[4]	Tao W Q;Guo Z Y;Wang B X .Field Synergy Principle for Enhancing Convective Heat Transfer - its Extension and Numerical Verification[J].International Journal of Heat and Mass Transfer,2002,45:3849-3856.
[5]	W.Q.Tao;Y.L.He;Q.W.Wang .A unified analysis on enhancing single phase convective heat transfer with field synergy principle[J].International Journal of Heat and Mass Transfer,2002(24):4871-4879.
[6]	陶文铨.数值传热学[M].西安:西安交通大学出版社,2001

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