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第 26 卷,总第 149 期《节能技术》 Vol 26 ,Sum No 149
2008 年 5 月,第 3 期 ENERGY CONSERVATION TECHNOLOGY May 2008 ,No 3
多股流换热器的数学建模与精确数学控制
杜娟丽,贺晓营,赵永安,崔国民
(郑州牧业工程高等专科学校,河南郑州 450011)
摘要:本文以平行流多股流换热器为研究对象,考虑了多股流换热器在换热过程中存在的多
种影响因素,根据其复杂的传热机理建立了数学模型,并通过数值计算,获得了准确的结果。该模
型的建立为多股流换热器的精确数学控制奠定了理论基础,同时为多股流换热器的性能分析,结构
优化及运行优化提供了理论依据。
关键词:多股流换热器;数学建模;数值计算;精确数学控制
中图分类号:TK11 + 2 文献标识码:A 文章编号:1002 - 6339 (2008) 03 - 0206 - 03
Mathematical Modeling And Accurate Mathematic Control for the
Multi - stream Heat Exchanger
DU Juan - li ,HE Xiao - ying ,ZHAO Yong - an ,CUI Guo - min
(Zhengzhou College of Animal Husbandry Engineering , Zhengzhou 450011 , China)
Abstract :The paper takes plate - fin parallel heat exchangers as the research object. Taking account of various
influential factors in the course of heat transfer , the methematic model is established according plicated
thermal conduction mechanism Accurate results are obtained through numerical analysis This methematic
modeling provides the theoretical basis for accurate mathematic control , performance analysis ,structure opti
mization and operation optimization of the heat exchangers
Key words :multi - steam heat exchanger ; methematic modeling ;numerical calculation , accurate mathematic
control
行加热和冷却的处理,起到多台两股流换热器或换
1 前言
热网络的作用。常见的多股流换热器有板式换热器
多股流换热器是实现多种流体同时进行换热的和板翅式换热器〔1