凝汽器传热端差的计算与分析  

Calculation and analysis of heat transfer end difference for steam condenser

作　　者：周兰欣[1] 林湖[1] 胡学武 郭锦鹏[1] 张淑侠[1] 

机构地区：[1]华北电力大学动力系,河北保定071003 [2]大港电厂,天津300000

出　　处：《华东电力》2003年第11期16-18,共3页East China Electric Power

摘　　要：对凝汽器传热端差的各个主要影响因素及它们之间的关系进行了分析 ,解释了有关表达式及相关概念难以理解的问题 ,利用不同容量级机组的有关参数进行计算 ,并联系工程实际 ,进一步验证分析方法及结果的正确性。该结果不仅适用于凝汽器端差的分析 。The main factors affecting the heat transfer end difference of a condenser were analyzed as well as the relations among them. Some related expressions and concepts which are difficulty to understand were explained. Calculations were conducted using relevant parameters of units with different capacity to further prove the correctness of the analyzing method and the result using actual engineering data. The result is not only suitable for analyzing the heat transfer end difference of the condenser, but also suitable to other heat exchangers.

关 键 词：汽轮机 凝汽器 传热端差 计算 换热器 热力学理论 

分 类 号：TK264.11[动力工程及工程热物理—动力机械及工程]