通风空调管道系统新型低阻力三通  

Novel low resistance tees for ventilation and air conditioning duct systems

作　　者：李安桂[1] 景若寅 高然[1] Li Angui;Jing Ruoyin;Gao Ran(Xi'an University of Architecture and Technology,Xi'an)

机构地区：[1]西安建筑科技大学,西安

出　　处：《暖通空调》2022年第11期118-126,共9页Heating Ventilating & Air Conditioning

摘　　要：讨论了通风空调管道中局部构件阻力的形成和减阻机理。介绍了通过优化弧面结构或添加导流片降低阻力的新型三通。采用数值模拟与全尺寸实验结合的方法,分析了不同流量比和管道面积比下新型三通的阻力特性。This paper discusses the resistance formation and reduction mechanisms of local components in ventilation and air conditioning ducts,and presents the novel tees with low resistance by optimizing arc surface structure or adding a guide vane.The resistance characteristics of the novel tees under different flow ratios and pipeline area ratios are analysed by means of numerical simulation and full-scale experiment.

关 键 词：通风空调管道 三通 局部阻力 减阻 弧线 导流片 流量比 面积比 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]