{"title":"INVESTIGATION OF METHANE HYDRATE COMBUSTION PROCESS WITH ACCOUNT FOR INCOMPLETE WATER EVAPORATION","authors":"A. Valiakhmetov, M. Stolpovskiy","doi":"10.17122/ntj-oil-2023-2-106-114","DOIUrl":null,"url":null,"abstract":"In this paper, a mathematical model of the combustion process of a gas hydrate sample taking into account the non-equilibrium of its dissociation process is presented. The system of basic equations is built on the laws of conservation of mass (for the entire system and each of its components), energy and momentum, and is supplemented by conditions at the moving boundary of the phase transition. On the basis of a numerical solution based on the method of large particles, the fields of system temperature and gas mixture components concentrations are constructed. It has been established that with a decrease in the proportion of water turning into steam, there is an increase in temperature at the combustion front, as well as the speed of combustion front movement.","PeriodicalId":42555,"journal":{"name":"Nauka i Tehnologii Truboprovodnogo Transporta Nefti i Nefteproduktov-Science & Technologies-Oil and Oil Products Pipeline Transportation","volume":"49 1","pages":""},"PeriodicalIF":0.1000,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nauka i Tehnologii Truboprovodnogo Transporta Nefti i Nefteproduktov-Science & Technologies-Oil and Oil Products Pipeline Transportation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17122/ntj-oil-2023-2-106-114","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
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Abstract
In this paper, a mathematical model of the combustion process of a gas hydrate sample taking into account the non-equilibrium of its dissociation process is presented. The system of basic equations is built on the laws of conservation of mass (for the entire system and each of its components), energy and momentum, and is supplemented by conditions at the moving boundary of the phase transition. On the basis of a numerical solution based on the method of large particles, the fields of system temperature and gas mixture components concentrations are constructed. It has been established that with a decrease in the proportion of water turning into steam, there is an increase in temperature at the combustion front, as well as the speed of combustion front movement.
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