O. Shubenko, S. Alyokhina, V. Goloshchapov, Olga Kotulska, D. Senetska
{"title":"在低流量模式下，汽轮机出口喷嘴内流动在衬套附近的分离","authors":"O. Shubenko, S. Alyokhina, V. Goloshchapov, Olga Kotulska, D. Senetska","doi":"10.46299/j.isjea.20230202.05","DOIUrl":null,"url":null,"abstract":"The paper considers the movement of steam flow from the working wheel of the last stage with a large fanning to the outlet nozzle of a steam turbine, considering the conditions for the formation of the separation near the bushing in a wide range of mode changes. An assessment was made of the initiation and development of the separation near the bushing in the space of the outlet nozzle of the steam turbine. To analyze the formation of the movement of the working medium in the free space of the outlet nozzle, an axisymmetric flow model is used, which is described by the equation of the hyperboloid of rotation.","PeriodicalId":120311,"journal":{"name":"International Science Journal of Engineering & Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Separation near the bushing of the flow in the outlet nozzle of the steam turbine at the low-flow rate modes\",\"authors\":\"O. Shubenko, S. Alyokhina, V. Goloshchapov, Olga Kotulska, D. Senetska\",\"doi\":\"10.46299/j.isjea.20230202.05\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The paper considers the movement of steam flow from the working wheel of the last stage with a large fanning to the outlet nozzle of a steam turbine, considering the conditions for the formation of the separation near the bushing in a wide range of mode changes. An assessment was made of the initiation and development of the separation near the bushing in the space of the outlet nozzle of the steam turbine. To analyze the formation of the movement of the working medium in the free space of the outlet nozzle, an axisymmetric flow model is used, which is described by the equation of the hyperboloid of rotation.\",\"PeriodicalId\":120311,\"journal\":{\"name\":\"International Science Journal of Engineering & Agriculture\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Science Journal of Engineering & Agriculture\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.46299/j.isjea.20230202.05\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Science Journal of Engineering & Agriculture","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.46299/j.isjea.20230202.05","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Separation near the bushing of the flow in the outlet nozzle of the steam turbine at the low-flow rate modes
The paper considers the movement of steam flow from the working wheel of the last stage with a large fanning to the outlet nozzle of a steam turbine, considering the conditions for the formation of the separation near the bushing in a wide range of mode changes. An assessment was made of the initiation and development of the separation near the bushing in the space of the outlet nozzle of the steam turbine. To analyze the formation of the movement of the working medium in the free space of the outlet nozzle, an axisymmetric flow model is used, which is described by the equation of the hyperboloid of rotation.
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