{"title":"高速工况下孔板型径向静压轴承特性研究","authors":"Wen-qi Ma, Hechun Yu, Zu-wen Wang, Longxing Chen, Haiyan Liu, Guang Zhao","doi":"10.1109/FPM.2011.6045831","DOIUrl":null,"url":null,"abstract":"The orifice type radial aerostatic bearing was taken as the subject. The flow field under different eccentricity and rotation speed was calculated with the three-dimension method. The influence of orifice types on characteristics of aerostatic bearings was analyzed under high-speed working conditions. For the orifice-compensated type, the influence of installation types of them on their characteristics was also discussed. The results indicate when the eccentricity is big, the orifice-compensated aerostatic bearings have a bigger main gas film stiffness and a smaller cross gas film stiffness because of the dynamic effect. The gas consumption of the orifice-compensated type is smaller than that of the orifice-restricted type with the same supply hole diameter. For the orifice-compensated type, with the increase of the number of gas supply holes, the influence of installation types decrease and can be ignored within the normal design range.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"81 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Research on characteristics of orifice type radial aerostatic bearings under high-speed condition\",\"authors\":\"Wen-qi Ma, Hechun Yu, Zu-wen Wang, Longxing Chen, Haiyan Liu, Guang Zhao\",\"doi\":\"10.1109/FPM.2011.6045831\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The orifice type radial aerostatic bearing was taken as the subject. The flow field under different eccentricity and rotation speed was calculated with the three-dimension method. The influence of orifice types on characteristics of aerostatic bearings was analyzed under high-speed working conditions. For the orifice-compensated type, the influence of installation types of them on their characteristics was also discussed. The results indicate when the eccentricity is big, the orifice-compensated aerostatic bearings have a bigger main gas film stiffness and a smaller cross gas film stiffness because of the dynamic effect. The gas consumption of the orifice-compensated type is smaller than that of the orifice-restricted type with the same supply hole diameter. For the orifice-compensated type, with the increase of the number of gas supply holes, the influence of installation types decrease and can be ignored within the normal design range.\",\"PeriodicalId\":241423,\"journal\":{\"name\":\"Proceedings of 2011 International Conference on Fluid Power and Mechatronics\",\"volume\":\"81 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-10-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of 2011 International Conference on Fluid Power and Mechatronics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/FPM.2011.6045831\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FPM.2011.6045831","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Research on characteristics of orifice type radial aerostatic bearings under high-speed condition
The orifice type radial aerostatic bearing was taken as the subject. The flow field under different eccentricity and rotation speed was calculated with the three-dimension method. The influence of orifice types on characteristics of aerostatic bearings was analyzed under high-speed working conditions. For the orifice-compensated type, the influence of installation types of them on their characteristics was also discussed. The results indicate when the eccentricity is big, the orifice-compensated aerostatic bearings have a bigger main gas film stiffness and a smaller cross gas film stiffness because of the dynamic effect. The gas consumption of the orifice-compensated type is smaller than that of the orifice-restricted type with the same supply hole diameter. For the orifice-compensated type, with the increase of the number of gas supply holes, the influence of installation types decrease and can be ignored within the normal design range.
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