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综合性能优化在板翅式换热器设计中的应用
引用本文:李超,张芸豫,罗辉.综合性能优化在板翅式换热器设计中的应用[J].化工机械,2009,36(5):430-433,497.
作者姓名:李超  张芸豫  罗辉
作者单位:兰州理工大学,甘肃省兰州市 730050
摘    要:采用综合性能优化设计方法,运用计算机语言编制程序,以单位传热量的可用能损失率最小为目标函数,寻求流动参数的最佳值,利用换热器两侧流动换热过程的流动与换热的准则关系式,在设定挟热热流密度和选定换热器某个结构尺寸的基础上,采用迭代的方式完成燃气.空气单侧翅片的板翅式换热单元的结构参数、流动参数与换热性能的优化设计。

关 键 词:板翅式换热器  综合性能  优化设计  可用能分析

Applications of the Comprehensive Performance Optimum in the Design of Plate-Fin Heat Exchangers
LI Chao,ZHANG Yunyu,LUO Hui.Applications of the Comprehensive Performance Optimum in the Design of Plate-Fin Heat Exchangers[J].Chemical Engineering & Machinery,2009,36(5):430-433,497.
Authors:LI Chao  ZHANG Yunyu  LUO Hui
Affiliation:( Lanzhou University of Technology, Lanzhou, 730050, Gansu, China)
Abstract:The optimum design method of comprehensive performance and the compiled program of computer languages were used to seek an optimal value of flow parameters with the minimum loss rate of usable energy of unit heat transfer amount as objective function.Based on setting the heat current density of heat exchange and selecting a structure size of heat exchangers,the criterion relation of the flow and heat exchange of the flow heat exchange process at the two sides of heat exchangers and the iterative mode were used to complete the optimum designs of structure parameters,flow parameters,and heat exchange performance of the plate-fin heat exchange unit of a fuel gas-air single side fin.
Keywords:Plate-Fin Heat Exchanger  Comprehensive Performance  Optimum Design  Analysis of Usable Energy
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