{"title":"The frictional torque in externally pressurized bearings","authors":"J. Bennett, H. Marsh","doi":"10.1016/0041-2678(74)90104-3","DOIUrl":null,"url":null,"abstract":"<div><p>The total frictional torque in an externally pressurized bearing consists of two parts, one being that predicted from the Petroff formula and the other being associated with the change in the angular momentum of the lubricant. The analysis is fully confirmed by experiments with an air-lubricated journal bearing. It is shown that if all other parameters are specified, then the minimum total frictional torque is obtained when the clearance is chosen such that 25% of the total torque is required for changing the angular momentum of the lubricant.</p></div>","PeriodicalId":39768,"journal":{"name":"Mocaxue Xuebao/Tribology","volume":"7 6","pages":"Pages 245-248"},"PeriodicalIF":0.0000,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0041-2678(74)90104-3","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mocaxue Xuebao/Tribology","FirstCategoryId":"1087","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0041267874901043","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 5
Abstract
The total frictional torque in an externally pressurized bearing consists of two parts, one being that predicted from the Petroff formula and the other being associated with the change in the angular momentum of the lubricant. The analysis is fully confirmed by experiments with an air-lubricated journal bearing. It is shown that if all other parameters are specified, then the minimum total frictional torque is obtained when the clearance is chosen such that 25% of the total torque is required for changing the angular momentum of the lubricant.
期刊介绍：
As the most authoritative comprehensive science periodical covering all branches of Tribology in China, “Tribology” deals with various academic, technological, and engineering topics in the interdisciplinary subjects of Mechanical Science and Technology, Materials Science and Engineering, Physics, Chemistry, Mechanics, etc. It covers new achievements in the fundamental, applied fundamental, and applied researches in Tribology, reflects the development and direction of Tribology at home and abroad, helps to find and train young scholars, speeds up extensive academic exchange, promotes the development of Tribology subject, and serves for the development of economy and society.
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