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管内流体振荡强化传热的实验研究 被引量:1

EXPERIMENTAL STUDY ON ENHANCED HEAT TRANSFER IN FLUIDS OSCILLATED WITHIN PIPES
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摘要 <正> 一、概述 文献[1,2]给出了振荡管流强化传热的初步解析解和实验结果。该研究表明,在一定工况下,水在振荡时的轴向传热量约为静止时的10~4倍。文献[3~6]分别给出了绝热管壁振荡管流传热的理论与实验研究结果,总结出当量导温系数与流体的导温系数之比是沃姆斯利数、普朗特数及振幅管径比的函数。 Quasi-steady experimental measurements on enhanced heat transfer in fluids oscillated within pipes are presented. The range of Womersley number (W om ) is extended (0.2-15) and data under different Prandtl number are published for first time.
出处 《工程热物理学报》 EI CAS CSCD 北大核心 1989年第1期78-80,共3页 Journal of Engineering Thermophysics
基金 国家自然科学基金
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参考文献4

  • 1朱谷君,航空动力学报,1987年,2卷
  • 2赵令德,航空动力学报,1986年,1卷
  • 3匿名著者,清华大学学报,1985年,25卷,1期
  • 4赵令德

同被引文献14

  • 1Leong K C,Jin L W. Heat transfer of oscillating flow and steady flows in a channel filled with porous media[J]. Int Comm Heat Mass Transf, 2004,31 : 63-72.
  • 2Walsh T E,Yang K T, Nee V W, et al. Forced convection cooling in microelectronic cabinets via oscillatory flow techniques[C]//Proceedings of the Third Experimental Heat Transfer, Fluid Mechanics and Thermodynamics Conference. Amsterdam : Elsevier, 1993 : 641-648.
  • 3Das S K, Putra N, Thiesen P, et al. Temperature depend- ence of thermal conductivity enhancement for nanofluids[J].J. Heat Transfer, 2003,125 : 567 574.
  • 4Lambert A A,Cuevas S,del Rio J A,Enhanced heat trans- fer using oscillatory flows in solar collector[J]. Solar En- ergy J. 2006,80 ; 1296-1302.
  • 5Lambert A A,Cuevas S, del Rio J A,et al. Heat transfer enhancement in oscillatory flows of newtonian and viscoe lastic fluids[J]. International Journal of Heat and Mass Transfer, 2009,52 : 5472-5478.
  • 6Watson E. Diffusion in oscillatory pipe fow[J]. J Fluid Mech,1983,133 :233 244.
  • 7Joshi C H,Kamm R D,Drazan J M,et al. An experimental study of gas exchange in laminar oscillatory flow[J]. J Flu id Mech, 1983,133 : 245-254.
  • 8Kurzweg U H,Zhao L D. Heat transfer by high-frequency oscillations-a new hydrodynamic technique for achieving large effective thermal conductivities [J]. Phys Fluids, 1984,27:2624-2627.
  • 9Kurzweg U H. Enhanced heat conduction in fluids subjec- ted to sinusoidal oscillations[J].J Heat Transfer, 1985, 107:459-462.
  • 10赵令德,朱谷君,曹玉璋.管内流体的振荡传热分析[J].航空动力学报,1987,2(2):153-158.

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