VARIATIONAL SOLUTION OF OPTIMUM PARAMETER DISTRIBUTIONS IN HEAT EXCHANGER

徐志明; 杨善让; 陈钟颀

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VARIATIONAL SOLUTION OF OPTIMUM PARAMETER DISTRIBUTIONS IN HEAT EXCHANGER

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- VARIATIONAL SOLUTION OF OPTIMUM PARAMETER DISTRIBUTIONS IN HEAT EXCHANGER
- CIESC Journal Issue 1, (1995)
- 作者机构：
  
  东北电力学院动力系!吉林132012,东北电力学院动力系!吉林132012,西安交通大学动力系,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q050
- Online First：25 February 1995，
  
  Published：25 February 1995
- 稿件说明：
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徐志明, 杨善让, 陈钟颀. VARIATIONAL SOLUTION OF OPTIMUM PARAMETER DISTRIBUTIONS IN HEAT EXCHANGER[J]. CIESC Journal, 1995, (1).
DOI：

徐志明, 杨善让, 陈钟颀. VARIATIONAL SOLUTION OF OPTIMUM PARAMETER DISTRIBUTIONS IN HEAT EXCHANGER[J]. CIESC Journal, 1995, (1). DOI：

摘要

本文以修正的换热器熵产生数为目标函数

在有约束条件下

应用变分原理

在只给定换热器冷、热流体入口温度和换热面积的前提下

求得了逆流换热器冷、热流体温度、热流密度等参数的最优分布

并给出了实现最优参数分布的方法——调整水当量比使其略大于1。

Abstract

Under the conditions of given inlet temperatures of cold and hot fluids and heat transfer surface

the optimum parameter distributions in heat exchanger based on the minimum modified entropy generation number of heat exchanger are derived by using variation principle. The optimum status may he obtained by setting the ratio of the heat - capacity -rate of cold stream to that of hot one to slightly greater than unity.

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