超临界CO_2的管内对流换热研究  

Research on Convection Heat-Transfer of Supercritical Carbon Dioxide Flow In-tube

作　　者：周华[1] 陆云挺[1] 

机构地区：[1]江苏大学能源与动力工程学院

出　　处：《农业装备技术》2008年第3期23-25,共3页Agricultural Equipment & Technology

摘　　要：概述了超临界CO2流体管内对流换热的研究,指出了影响换热的主要因素有热流密度、浮升力、压力、润滑油等,提供了多种公开发表的超临界流体在冷却工况下的换热关联式,同时指出了现有研究内容的不足。This paper gives a review of the heat transfer of supercritical carbon dioxide in-tube flow and points out that the main factors to influence heat transfer are heat flux , buoyancy , pressure,lubricant and so on .Some published correlations for heat transfer coefficient during in-tube cooling are collected, The shortages of current researches are pointed out .

关 键 词：超临界CO2 换热 关联式 

分 类 号：TK124[动力工程及工程热物理—工程热物理] TS225.24[动力工程及工程热物理—热能工程]