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《Journal of Wuhan University of Technology》 2006-S1
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Specific Properties of Air Flow Field Within the Grinding Zone

ZHENG Junyi,JIANG Zhengfeng,ZHAO Liang (Electromechanical School ,Wuhan University of Technology ,Wuhan 430070,China.)  
Air barrier of grinding means a boundary layer of air existing at the circumference of the rotating wheel,which hinders coolant from entry. This paper makes a research on air flow field of the grinding zone through experiments and numerical simulations,focusing on acquainting with the specific properties of the air flow field. Finite volume method is applied to analyze air flow field within grinding wheel in the course of numerical calculations. The test devices such as Hot-wire anemometer and Betz manometer are used during the experiments of testing the pressure and velocity within grinding zone. Results of experiments agree by and large with numerical results of calculations. The conclusions obtained in this paper,the distribution of wall pressure and the distribution of air flow velocity,are important and useful to navigate the delivery of coolant into the grinding zone. In conclusion,some recommendations are made for further study and practical applications in such field.
【CateGory Index】: TH117.1
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