单双级直接蒸发式空气冷却器的对比研究-南京师范大学学报工程.PDF

10 3 ( ) V ol. 10 No. 3 2010 9 JOURNAL OF NAN JING NORMAL UNIVERSITY( ENG INEER ING AND TECHNOLOGY ED IT ION) Sept, 2010 单双级直接蒸发式空气冷却器的对比研究 1 1 1 2 刘济南, 黄 虎, 张忠斌, 陈泽民 ( 1. , 210042; 2. , 212300) [ ] , , , , . [ ] , , , , [ ] TK223 [ ] A [] 2010) Comparative Study Between the Singlestage and theTwostageDirect Type of Evaporative Air Cooler 1 1 1 2 Liu Jinan , HuangHu , hang hongbin, Chen em in ( 1. Schoo l ofE nergy nd Mech n ic lE ngineering, N njing N orm lUn iversity, N njing 210042, Ch in ; 2. Ji ngsu D ny ng Suk e A ir Source Energy Rese rch C enter Co. L td, D ny ng 212300, Ch in ) Abstract: Accord ing to the differentm iddle tem per tures nd ev por tion tem per tures on the smi ul tion l c lcul tion, design propos l of the twost ge direct type of ev por tive ir coolerw s proposed to be used in de ling w ith l rge tem per tu re differences of the fresh ir. A t the s m e tmi e, smi ul ted nd c lcul ted the s inglest ge d irect type of ev por tive ir cooler. Through the comp rison n ly sis betw een them, w e get the optmi um v lue of the twost ge direct type of ev por tive ir cooler. K ey words: l rge temper ture d ifference, d irect type of ev por tive ir cooler, wt ost ge, singlest ge, ev por tion tem per ture , , [ 1] . : ( 1) , , , ; ( 2) , , (), ; ( 3) [ 2] , , , , [ 3] , . , [ 4] [ 5 ] . , , . , , , , , , , COP, . 1 直接蒸发式空气冷却器 , , (, 14