大流量涡流二极管内流仿真及高阻特性研究

工程热物理学报 , 2008, 29(12): 2046-2048.

1.浙江大学化工机械研究所,浙江,杭州,310027

2.浙江大学化工机械研究所,浙江,杭州,310027

3.浙江大学化工机械研究所,浙江,杭州,310027

基金项目: 浙江省自然科学基金(Y107467)

A STUDY ON THE SIMULATION OF THE INTERNAL FLOW IN VORTEX DIODE PUMP AND THE HIGH RESISTANCE CHARACTERISTICS

文中采用雷诺应力模型(RSM)对涡流二极管泵内部流场进行三维数值模拟,阐述涡流二极管内部流场及高阻产生机理,将内部流动近似为Rankine涡并进行验证,分析了切向入口压力变化对流动特性的影响,结果表明,入口操作压力超过一特定限度后中心区域将出现较大的回流现象,这将有助于提高涡流二极管性能.

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