压力容器2018，Vol.35Issue(3)：8-13,6.DOI:10.3969/j.issn.1001-4837.2018.03.002
两种型式绕管式换热器传热性能试验研究
Experimental Research on Flow and Heat Transfer Performance of Two Types of Spiral Tube Heat Exchanger
摘要
Abstract
The Y-style and K-style spiral tube heat exchangers are two types of heat exchangers with dif-ferent inlet and outlet structures on the tube and shell side,on which comparison researches were carried out on water-water vapor heat transfer performance by experiment method.In the experiment,the volume flow of water vapor on tube side is kept constant,and Re of the water on the shell side is adjusted to be 2800~13000.The experimental results show that,within the experiment range and under the condition of same Re,the Y-style spiral tube heat exchanger has a bigger total heat transfer coefficient,lower shell-side pressure drop and higher shell-side convective heat transfer coefficient,their max.values are 17.9%big-ger,61% lower and 11.6% higher than the K-style,respectively;with the K-style spiral tube heat ex-changer as the reference,the comprehensive heat transfer assessment factor PEC of the Y-style spiral tube heat exchanger is all bigger than 1 within the range of Re for the experiment,indicating the comprehensive heat transfer performance of the Y-style spiral tube heat exchanger is always better than that of the K-style spiral tube heat exchanger.关键词
绕管式换热器/进出口结构/传热性能/试验研究Key words
spiral tube heat exchanger/inlet and outlet structure/heat transfer performance/experimental research分类
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刘少林,吴金星,田倩卉..两种型式绕管式换热器传热性能试验研究[J].压力容器,2018,35(3):8-13,6.基金项目
河南省重点科技攻关项目(162102210006) （162102210006）
