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板式换热器新评价标准分析 被引量：1

Analysis of new criteria for assessing plate heat exchanger performance
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摘要 基于熵产最小化原理的换热器优化方法,以及Tondeur和Kvaalen研究的熵产均匀性与换热器性能之间存在的联系,提出了熵产均匀性系数这一概念,利用熵产均匀性系数优化不同波纹角度的复合人字形板式换热器.结果表明:无论是基于熵产均匀性标准的优化结果还是基于强化换热综合性能评价标准的优化结果,β为30°和70°的复合人字形板式换热器性能都是最好;随着雷诺数的增加,由流动阻力产生的熵产占总熵产的比重不断增加;相同雷诺数下,波纹倾斜角度大的的复合人字形板式换热器的阻力熵产所占比重较大. Based on the entropy production minimization approach for heat exchanger optimization design and relationship between the entropy production uniformity and heat exchanger performance by Tondeur and Kvaalen, an entropy production uniformity factor is defined and used to optimize Double-chevron Plate Heat Exchangers （DPHE） with different β （corrugation angles） . Optimized results based on the entropy production uniformity Criteria and the Performance Evaluation Criteria show that the performance of DPHE with β= 30° and β = 70° are the best. The Be （irreversibility distribution ratio） decrease as Re and β increase.
作者 郭春生 杜文静 程林
机构地区 山东大学热科学与工程研究中心
出处 《哈尔滨工业大学学报》 EI CAS CSCD 北大核心 2012年第2期138-141,共4页 Journal of Harbin Institute of Technology
基金 国家重点基础研究发展规划资助项目(973-2007CB206-900) 国家自然科学基金青年基金资助项目(51106090)
关键词 板式换热器 传热 阻力 熵产 plate heat exchangers heat transfer resistance entropy
分类号 TK124 [动力工程及工程热物理—工程热物理]
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参考文献8

  • 1YILMAZ M,SARA O N,KARSLI S.Performance eval-uation criteria for heat exchangers based on second lawanalysis[J].Exergy,an International Journal,2001,1:78-294.
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同被引文献20

  • 1过增元,李志信,周森泉,熊大曦.换热器中的温差场均匀性原则[J].中国科学（E辑）,1996,26(1):25-31. 被引量：32
  • 2Rasul M G, Widianto W, Mohanty B. Assessment of the thermal performance and energy conservation opportunities of a cement industry in Indonesia [J]. Applied Thermal Engineering, 2005, 25 (17/18): 2950-2965.
  • 3Huang Jintao (黄锦涛), Peng Yan (彭岩). Analysis of the influence of thermal parameters on double-pressure waste heat power generation system [J]. 锅炉技术, 2009, (1): 51-54.
  • 4Yang Shiming (杨世明), Tao Wenquan (陶文铨). Heat Transfer (传热学) [M]. 4th ed. Beijing: Higher Education Press, 2006.
  • 5Wang Fujun (王福军). Computational Fluid Dynamics Analysis— Principles and Applications of CFD Software (计算流体动力学分析——CFD软件原理与应用) [M]. Beijing: Tsinghua University Press, 2004.
  • 6Kays W M, London A L. Compact Heat Exchangers [M]. New York: McGraw-Hill, 1984.
  • 7Kim M S, Lee K S, Song S. Effects of pass arrangement and optimization of design parameters on the thermal performance of a multi-pass heat exchanger [J]. International Journal of Heat and Fluid Flow, 2008, 29 (1): 352-363.
  • 8Qian Songwen (钱颂文), Zhu Dongsheng (朱冬生), Li Qingling (李庆领), et al. Enhanced Heat Transfer Technology of Shell and Tube Heat Exchanger (管式换热器强化传热技术) [M]. Beijing: Chemical Industry Press, 2004.
  • 9Yang Donghua (杨东华). Principle and Engineering Application of Thermodynamics of Irreversible Processes (不可逆过程热力学原理及工程应用) [M]. Beijing: Science Press, 1987.
  • 10Bejan A. Advanced Engineering Thermodynamics [M]. New York: Wiley, 1988.

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哈尔滨工业大学学报
2012年 第2期

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