Thermal optimization of internally finned tube with variable fin thickness

被引:22
|
作者
Kim, Dong-Kwon [1 ]
机构
[1] Ajou Univ, Dept Mech Engn, Suwon 443749, South Korea
基金
新加坡国家研究基金会;
关键词
Thermal optimization; Internally finned tube; Variable fin thickness; Forced convection; HEAT-TRANSFER; TURBULENT-FLOW; PROFILES;
D O I
10.1016/j.applthermaleng.2016.04.060
中图分类号
O414.1 [热力学];
学科分类号
摘要
In this study, thermal optimization of a tube with internal fins whose thickness varies freely in the direction normal to fluid flow was performed using a model based on the volume averaging theory. In the case of a water-cooled system, the thermal resistance of the optimized finned tube with variable fin thickness was reduced by up to 12% compared to that of an optimized straight-finned tube. The extent of the reduction was found to depend on the pumping power and tube length, and the conditions of the pumping power and tube length under which the reduction is more than 10% were evaluated. Because of their improved thermal performance, finned tubes with variable fin thickness have potential for use in cooling equipment in various thermal systems. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1250 / 1261
页数:12
相关论文
共 50 条
  • [1] Thermal optimization of plate-fin heat sinks with variable fin thickness
    Kim, Dong-Kwon
    Jung, Jaehoon
    Kim, Sung Jin
    INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2010, 53 (25-26) : 5988 - 5995
  • [2] THERMAL OPTIMIZATION OF PLATE-FIN HEAT SINKS WITH VARIABLE FIN THICKNESS
    Kim, Dong-Kwon
    Jung, Jaehoon
    Kim, Sung Jin
    PROCEEDINGS OF THE ASME INTERNATIONAL HEAT TRANSFER CONFERENCE - 2010 , VOL 3: COMBUSTION, CONDUCTION, ELECTRONIC COOLING, EVAPORATION,TWO-PHASE FLOW, 2010, : 517 - 522
  • [3] Thermo-hydraulic performances of internally finned tube with a new type wave fin arrays
    Peng, Hao
    Liu, Lin
    Ling, Xiang
    Li, Yang
    APPLIED THERMAL ENGINEERING, 2016, 98 : 1174 - 1188
  • [4] Laminar heat transfer characteristics of internally finned tube with sinusoidal wavy fin
    Lin, M.
    Tian, L.
    Wang, Q. W.
    HEAT AND MASS TRANSFER, 2011, 47 (06) : 641 - 653
  • [5] Thermal optimization of an internally finned tube using analytical solutions based on a porous medium approach
    Do, Kyu Hyung
    Min, Jung Yim
    Kim, Sung Jin
    JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 2007, 129 (10): : 1408 - 1416
  • [6] Laminar heat transfer characteristics of internally finned tube with sinusoidal wavy fin
    M. Lin
    L. Tian
    Q. W. Wang
    Heat and Mass Transfer, 2011, 47 : 641 - 653
  • [8] Optimization of a Pin Fin With Variable Base Thickness
    Kang, H. S.
    JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 2010, 132 (03): : 1 - 4
  • [10] Thermal optimization of vertically oriented, internally finned tubes in natural convection
    Joo, Younghwan
    Kim, Sung Jin
    INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2016, 93 : 991 - 999