变温热源小型热电冷水机结构设计与性能分析  

Structural Design and Performance Analysis of a Small Thermoelectric Chiller With Variable Temperature Heat Reservoirs

作　　者：江帆 孟凡凯[1] 陈林根 沈佳锋 JIANG Fan;MENG Fan-Kai;CHEN Lin-Gen;SHENG Jia-Feng(College of Power Engineering,Naval University of Engineering,Wuhan 430033,China;Institute of Thermal Science and Power Engineering,Wuhan Institute of Technology,Wuhan 430205,China;School of Mechanical&Electrical Engineering,Wuhan Institute of Technology,Wuhan 430205,China)

机构地区：[1]海军工程大学动力工程学院,武汉430033 [2]武汉工程大学热科学与动力工程研究所,武汉430205 [3]武汉工程大学机电工程学院,武汉430205

出　　处：《工程热物理学报》2020年第7期1573-1578,共6页Journal of Engineering Thermophysics

基　　金：国家自然科学基金项目(No.11974429,No.51576207);海军工程大学基础研究项目(No.20161505)。

摘　　要：本文提出了一种不依赖模块规格型号和换热器几何参数的热电制冷系统分析方法,设计了水冷式热电冷水机的基本结构,考虑了汤姆逊效应,应用了有限时间热力学理论,建立了新的热力学模型,研究了热源、冷源沿流动方向的温度变化,分析了不同冷却水温度、输入电流密度、模块填充系数和热电单元长度对装置制冷性能的影响。In this paper,an analysis method of thermoelectric refrigeration system is proposed,which does not depend on the module specifications and geometric parameters of heat exchangers.The basic structure of water-cooled thermoelectric chiller is designed.Considering Thomson effect,a new thermodynamic model is established by using finite time thermodynamic theory.The temperature variations of heat source and sink along the flow direction are studied.The effects of different cooling water temperatures,input current density,filling coefficient of module and length of thermoelectric unit on the refrigeration performance of the device are analyzed.

关 键 词：有限时间热力学 热电冷水机 水冷式 性能优化 

分 类 号：TK123[动力工程及工程热物理—工程热物理]