压力容器2016，Vol.33Issue(8)：7-12,6.DOI:10.3969/j.issn.1001-4837.2016.08.002
聚四氟乙烯换热器传热特性试验研究
Experimental Study on Heat Transfer Characteristics of Flue Gas Heat Exchanger
摘要
Abstract
Polytetrafluoroethylene(PTFE)for heat exchanger and overall performance of the pros and cons depending on heat transfer efficiency and pressure drop,for the thermal efficiency and the pressure drop on the one hand by heat transfer tube arrangement and spacing,on the other hand is for the influence of thermal mass flow rate and temperature.PTFE heat exchanger tube spacing and the overall heat transfer performance test based on,through the control variable method,of air velocity on the heat transfer efficien-cy and pressure drop effect.Experimental results show that:heat pipe in a triangular arrangement,when the tube spacing S =8.5 mm,optimal economic benefit,temperature drop the most obvious;when Re num-ber within the range of 2000 to 6000,fitting for the condition of heat transfer performance of the formula Nu =0.012078 Re0.79817 and pressure drop formula ΔP =6 ×10 -5 Re2.2136 ,PTFE for heat exchanger in ac-tual engineering application has certain directive significance.关键词
聚四氟乙烯/传热性能/腐蚀/压降/结构优化Key words
polytetrafluoroethylene(PTFE)/heat transfer performance/corrosion/pressure drop/structural optimization分类
机械制造引用本文复制引用
甘兵,罗小平..聚四氟乙烯换热器传热特性试验研究[J].压力容器,2016,33(8):7-12,6.基金项目
国家自然科学基金资助 （）
