欢迎登录材料期刊网

材料期刊网

高级检索

本文对超临界二氧化碳在多孔结构中的对流换热进行了数值模拟研究.结果表明,超临界条件下二氧化碳剧烈的变物性对多孔介质中的对流换热会产生很大影响;局部热平衡条件下对流换热系数的数值计算值比局部非热平衡条件下的计算结果大;对流换热系数随着颗粒直径的增大而增大.

参考文献

[1] S. B. Riffat;C. F. Afonso;A. C. Oliveira;D. A. Reay .Natural refrigerants for refrigeration and air-conditioning systems[J].Applied thermal engineering: Design, processes, equipment, economics,1997(1):33-42.
[2] Lorentzen G .The Use of Natural Refrigerants: A Complete Solution to the CFC/HCFC Predicament[J].International Journal of Refrigeration-Revue Internationale du Froid,1995,18(03):190-197.
[3] 刘国球.液体火箭发动机原理[M].北京:宇航出版社,1993
[4] Jiang Peixue;Wang Buxuan;Luo Dian et al.Flow and Convective Heat Transfer in a Vertical Porous Annulus[J].Numerical Heat Transfer Part A-Applications,1996,30:305312.
[5] Pei-Xue Jiang;Ze-Pei Ren .Numerical investigation of forced convection heat transfer in porous media using a thermal non-equilibrium model[J].International journal of heat and fluid flow,2001(1):102-110.
[6] Kar K K;Dybbs A.Internal Heat Transfer Coefficients of Porous Metals[A].Phoenix,AZ,1982:81-91.
[7] 姜培学,李勐,徐轶君,任泽霈.多孔介质中超临界CO<,2>对流换热数值模拟[C].中国工程热物理学会第十届年会论文集(传热传质学),2001:509-513.
[8] Jiang Pei-Xue;Ren Ze-Pei;Wang Bu-Xuan;Wang Zhan .Experimental research of fluid flow and convection heat transfer in plate channels filled with glass or metallic particles[J].Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics,1999(1):45-54.
[9] 姜培学,司广树,李勐,任泽霈.空气在水平多孔槽道中换热和流动的实验研究[C].中国工程热物理学会传热传质学学术会议论文集,2000:91~93.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%