欢迎登录材料期刊网

材料期刊网

高级检索

由于存在一个易于流动的方向并具有较大的面密度,金属蜂窝材料在具有良好的比刚度和比强度的同时也具有良好的散热性能,研究强迫对流下的散热性能对其多功能化设计具有重要意义.蜂窝材料强迫对流换热是流-固耦合传热问题,由于具有大量微结构,直接采用计算流体动力学(CFD)方法进行模拟,计算量巨大,成为进行优化设计的主要障碍.发展具有广泛适用性的高效快速算法具有重要的理论意义和应用价值.针对金属蜂窝强迫对流换热结构,本文中提出了一种快速高效的数值算法,计算速度比有限体积法提高3~4个数量级.通过2个具体算例,验证了该方法的有效性和广泛适用性.

参考文献

[1] Wadley H N G.Multifunctional periodic cellular metals[J].Philosophical Transactions the Royal of Society A,2006,364:31-68.
[2] Gibson L J,Ashby M F.Cellular solids:Structure and properties[M].2nd ed.London:Cambridge University Press,1997:82-319.
[3] Evans A G,Hutchinson J W,Fleck N A,et al.The topological design of multifunctional cellular metals[J].Progress in Material Science,2001,46(3/4):309-327.
[4] 卢天健,何德坪,陈常青,等,超轻多孔金属材料的多功能特性及应用[J].力学进展,2006,36(4):517-535.Lu Tianjian,He Deping,Chen Changqing,et al.The multifunctionality of ultra-light porous metals and their application[J].Advance of Mechanics,2006,36(4):517-535.
[5] Hayes A M,Wang Aijun,Benjamin M D,et al.Mechanics of linear cellular alloys[J].Mechanics of Materials,2004,36(8):691-713.
[6] Lu T J.Heat transfer efficiency of metal honeycomb[J].International Journal of Heat and Mass Transfer,1999,42(11):2031-2040.
[7] Gu S,Lu T J,Evans A G.On the design of two-dimensional cellular metals for combined heat dissipation and structural load capacity[J].International Journal of Heat and Mass Transfer,2001,44(11):2163-2175.
[8] Seepersad C C,Dempsey B M,Allen J K,et al.Design of multifunctional honeycomb materials[J].AIAA Journal,2004,42(5):1025-1033.
[9] Kumar R S,McDowell D L.Rapid preliminary design of rectangular linear cellular alloys for maximum heat transfer[J].AIAA Journal,2004,42(8):1652-1661.
[10] Lu T J.Valdevit L,Evans A G.Active cooling by metallic sandwich structures with periodic cores[J].Progress in Materials Science,2005,50(7):789-815.
[11] Wang Bo,Cheng Gengdong,Wang Bin.Multifunctional optimum design of honeycomb structures[C]∥The Fourth China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems.Kunming:[s.n.],2006:267-272.
[12] Valdevit L,Pantano A,Stone H A,Evans A G.Optimal active cooling performance of metallic sandwich panels with prismatic cores[J].International Journal of Heat and Mass Transfer,2006,49(21/22):3819-3830.
[13] Wen T,Tian J,Lu T J,Queheillalt D T,Wadley H N G.Forced convection in metallic honeycombs structures[J].International Journal of Heat and Mass Transfer,2006,49(19/20):3313-3324.
[14] Dempsey B M,Eisele S,McDowell D L Heat sink application of extruded metal honeycomb materials[J].International Journal of Heat and Mass Transfer,2005,48(3/4):527-535.
[15] Wang Bo,Cheng Gengdong.Design of cellular structures for optimum efficiency of heat dissipation[J].Structure Multidiscipline Optimization,2005,30(6):447-458.
[16] 王博,王斌,程耿东.Kagome蜂窝夹层平板的多功能优化设计[J].复合材料学报,2007,24(3):109-115.Wang Bo,Wang Bin,Cheng Gengdong.Multifunctional optimum design of sandwich panels with kagome honeycomb core[J].Acta Materiae Compositae Sinica,2007,24(3):109-115.
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%