迷宫密封齿型对密封流场与泄漏量的影响  

Influence of labyrinth seal teeth shape on sealed flow field and leakage

作　　者：丁学俊[1] 肖国俊[1] 杨彦磊[1] 李哲 

机构地区：[1]华中科技大学能源与动力工程学院,湖北武汉430074 [2]深圳南山热电厂,广州深圳518000

出　　处：《华中科技大学学报（自然科学版）》2006年第7期9-10,共2页Journal of Huazhong University of Science and Technology(Natural Science Edition)

基　　金：湖北省自然科学基金资助项目(2002AB003).

摘　　要：应用Fluent软件计算迷宫密封斜齿角度和三角齿型对迷宫密封流场和泄漏量的影响.计算结果与分析表明,迷宫密封齿型对密封不可压缩流体流场和泄漏量有一定的影响,随着密封齿倾斜角度α由小增大,泄漏量由大到小再增大,当α向着来流方向倾斜50°时,泄漏量最小;随着三角齿根角度β的增加,泄漏量由大到小再增加,当β为105°时,泄漏量最小.The effects of seal teeth angles and triangle seal teeth in labyrinth seal on the flow field and leakage rate were evaluated by using Fluent software. The results indicate that the leakage rate of labyrinth seal changes with the angle of seal teeth, it reaches minimum, when the angle α of seal teeth equals to 50°, that the leakage rate of labyrinth seal changes with the angle of seal triangle teeth root, it reaches minimum, when the angle β of seal triangle teeth equals to 105°.

关 键 词：迷宫密封 密封齿角度 三角齿 流动 泄漏 

分 类 号：TK474.813[动力工程及工程热物理—动力机械及工程]