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Journal of Enhanced Heat Transfer
Factor de Impacto: 0.562 Factor de Impacto de 5 años: 0.605 SJR: 0.175 SNIP: 0.361 CiteScore™: 0.33

ISSN Imprimir: 1065-5131
ISSN En Línea: 1026-5511

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Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v11.i4.210
pages 435-452

Applications of the Field Synergy Principle in Developing New Type Heat Transfer Enhanced Surfaces

Wen-Quan Tao
State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science & Engineering, Tongji University, Shanghai 200092, China; Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xian Jiaotong University, Xian 710049, China
Ya-Ling He
Key Laboratory of Thermo-fluid Science and Engineering, Ministry of Education, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
Zhiguo Qu
Key Laboratory of Thermo-Fluid Science and Engineering Ministry of Education School of Power and Energy Engineering Xi'an Jiaotong University, Xi'an, 710049, China
Y. P. Cheng
State-Key Laboratory of Multi-phase Flow in Power Engineering, School of Energy & Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China

SINOPSIS

In this keynote lecture, the basic idea of the field synergy principle proposed by Guo and its recent advances is first briefly reviewed, followed by detailed discussion on how to apply this principle for developing new types of heat transfer enhancement surfaces. Focus is concentrated on the enhancement of airside heat transfer processes. Four interesting examples are provided, which are the major achievements of our research group in the past 3 years. These are (1) the finding of the optimal attack angle for an array of obliquely positioned plates; (2) the development of a longitudinally finned tube with a blocked center; (3) the effect of the strip location on the enhancement of heat transfer; and (4) a new type of slotted fin surface that can significantly enhance air heat transfer while leading to only a mild increase in pressure drop. The application examples show that the field synergy principle is a powerful tool in the development of new types of heat transfer enhancement surfaces.


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