多背压凝汽器中温差场均匀性原则的直接证明  

DIRECT PROOF OF UNIFORMITY PRINCIPLE OF TEMPERATURE DIFFERENCE FIELD IN MULTI-PRESSURE CONDENSER

作　　者：郜时旺[1] 杨沫[1] 徐志明[1] 金虹 杨善让[1] 过增元[2] 

机构地区：[1]东北电力学院动力工程系,吉林132012 [2]清华大学工程力学系,北京100084

出　　处：《工程热物理学报》1997年第6期741-743,共3页Journal of Engineering Thermophysics

基　　金：国家自然科学青年基金

摘　　要：In this paper,temperature difference field (TDF) has been studied in multi-pressure condenser. Analytical results show that there is a certain liner relationship between the nonuniformity factor of TDF and the mean condensing temperature. With the nonuniformity factor of TDF, the optimization is made for the distribution of heat transfer capacity and area in different steps of multi-pressure condenser. The validity of the uniformity priciple of TDF is proved in multi-pressure condenser.In this paper,temperature difference field (TDF) has been studied in multi-pressure condenser. Analytical results show that there is a certain liner relationship between the nonuniformity factor of TDF and the mean condensing temperature. With the nonuniformity factor of TDF, the optimization is made for the distribution of heat transfer capacity and area in different steps of multi-pressure condenser. The validity of the uniformity priciple of TDF is proved in multi-pressure condenser.

关 键 词：多背压 凝汽器 温差场 均匀性原则 

分 类 号：TK172[动力工程及工程热物理—热能工程]