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管式双级空气予热器不同连结方式温差场不均匀性分析
Analysis of Uniformity of Temperature Difference Field for Two-stage Tubular Air Preheater With Differential Linkage Methods
【摘要】 对管式双级空气预热器上、下两级间采取不同连结方式引起传热温差场的差异,及对换热效果所产生的影响进行了分析,得出了从传热及热力学完善性考虑时,Z型连结优于C型连结的结论
【Abstract】 Based on the consideration of temperature different field caused by linkage style of two-stage tubular air heater,the paper analyzes the results of Heat transfer from Heat transfer and Thermodynamics perfect,and points out that Z-type arrangement is more superior than C-type.
【关键词】 空予器;
传热;
温差场;
平均传热温差;
不均匀性;
熵产;
损;
【Key words】 Air Heater; Heat transfer; mean heat transfer temperature difference; exergy loss; entropy generation;
【Key words】 Air Heater; Heat transfer; mean heat transfer temperature difference; exergy loss; entropy generation;
- 【文献出处】 东北电力学院学报 ,JOURNAL OF NORTHEAST CHINA INSTITUTE OF ELECTRIC POWER ENGINEERING , 编辑部邮箱 ,1996年03期
- 【分类号】TK124
- 【下载频次】25