干燥地区管式间接蒸发空气冷却器的数值模拟  

Numerical Simulation of Tubular Indirect Evaporative Air Cooler In Dry Area

作　　者：王芳[1] 武俊梅[2] 黄翔[3] Wang Fang;Wu Junmei;Huang Xiang(Shanxi Inititute of Technology,Xi’an,710302;Xi’an Jiaotong University,Xi’an,710049;Xi’an Polytechnic University,Xi’an,710043)

机构地区：[1]陕西国防工业职业技术学院,西安710302 [2]西安交通大学,西安710049 [3]西安工程大学,西安710043

出　　处：《制冷与空调（四川）》2021年第5期670-673,共4页Refrigeration and Air Conditioning

摘　　要：针对管式间接蒸发空气冷却器的整体热工性能模拟的数学模型,使用自编的Fortran语言计算程序,选取典型干燥地区进行了数值模拟,计算得出其最佳一、二次空气质量流量比,换热管间距和管径。计算结果表明,包头、赤峰、榆林、宝鸡、酒泉、乌鲁木齐、吐鲁番、克拉玛依地区最佳空气质量流量比为:0.38、0.54、0.4、0.3、0.58、0.5;最佳纵向管间距为:吐鲁番地区0.03m,其余地区0.035m;最佳横向管间距均为0.030m;最佳换热管管径均为0.02m。According to the mathematical model of the overall thermal performance simulation of the tubular indirect evaporative air cooler,using the FORTRAN language calculation program,the typical dry area is selected for numerical simulation,and the optimal primary and secondary air mass flow ratio,heat exchange tube spacing and diameter are calculated.The results show that the best air mass flow ratio in Baotou,Chifeng,Yulin,Baoji,Jiuquan,Urumqi,Turpan and Karamay areas is 0.38,0.54,0.4,0.3,0.58 and 0.5;the best longitudinal pipe spacing is 0.03 m in Turpan area and 0.035 m in other areas;the best transverse pipe spacing is 0.030 m;the best diameter is 0.02 m.

关 键 词：管式间接空气蒸发冷却器 干燥地区 数值模拟 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]