{"title":"对引入减阻剂后主干管中瞬态过程变化的分析","authors":"V. Zholobov, D. I. Varybok, D. Egorov","doi":"10.28999/2514-541X-2017-1-2-129-142","DOIUrl":null,"url":null,"abstract":"THE HYDROBLOW PHENOMENON occurs when there is a sudden change in the flow rate of transported fluids. A shock wave, which is formed at the place where the flow changes, travels along the pipeline, interacting with equipment and dying down according to a specific law. It is rather labour-intensive, and takes a considerable amount of time, numerically to analyse the wave processes in order to draw up maximum-pressure diagrams. A substantial quantity of information obtained from numerical calculation using difference schemes is as yet unused. The aim of the present study is to find an analytical approach for constructing a maximum-pressure-envelope curve.","PeriodicalId":262860,"journal":{"name":"Pipeline Science and Technology","volume":"140 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"An analysis of changes to transient processes occurring in trunk pipelines as a result of introducing drag-reducing agents\",\"authors\":\"V. Zholobov, D. I. Varybok, D. Egorov\",\"doi\":\"10.28999/2514-541X-2017-1-2-129-142\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"THE HYDROBLOW PHENOMENON occurs when there is a sudden change in the flow rate of transported fluids. A shock wave, which is formed at the place where the flow changes, travels along the pipeline, interacting with equipment and dying down according to a specific law. It is rather labour-intensive, and takes a considerable amount of time, numerically to analyse the wave processes in order to draw up maximum-pressure diagrams. A substantial quantity of information obtained from numerical calculation using difference schemes is as yet unused. The aim of the present study is to find an analytical approach for constructing a maximum-pressure-envelope curve.\",\"PeriodicalId\":262860,\"journal\":{\"name\":\"Pipeline Science and Technology\",\"volume\":\"140 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Pipeline Science and Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.28999/2514-541X-2017-1-2-129-142\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pipeline Science and Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.28999/2514-541X-2017-1-2-129-142","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An analysis of changes to transient processes occurring in trunk pipelines as a result of introducing drag-reducing agents
THE HYDROBLOW PHENOMENON occurs when there is a sudden change in the flow rate of transported fluids. A shock wave, which is formed at the place where the flow changes, travels along the pipeline, interacting with equipment and dying down according to a specific law. It is rather labour-intensive, and takes a considerable amount of time, numerically to analyse the wave processes in order to draw up maximum-pressure diagrams. A substantial quantity of information obtained from numerical calculation using difference schemes is as yet unused. The aim of the present study is to find an analytical approach for constructing a maximum-pressure-envelope curve.
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