International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2572

Full Length Research Paper

Optimization of the louver angle and louver pitch for a louver finned and tube heat exchanger

Jiin-Yuh Jang* and Chun-Chung Chen
Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
Email: [email protected]

  •  Accepted: 14 November 2013
  •  Published: 23 November 2013

Abstract

The optimization of the louver angle (θ) and the louver pitch (Lp) for a louver finned and tube heat exchanger was investigated numerically along with a simplified conjugate-gradient method (SCGM). The area reduction ratio relative to a plain surface is the objective function to be maximized. A search for the optimum louver angle (θ) and louver pitch (Lp), ranging from 15°< θ < 40° and 2 mm < Lp < 3.2 mm, respectively, was performed. The results showed that the maximum area reduction ratios may reach 39~46% combined with the optimal design of (θ, Lp) at ReD = 589~3533 (Uin= 0.5-3.0 m/s).

Key words: Optimization, louver pitch, louver angle, finned and tube heat exchanger.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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