Estimation of Possibilities of Calculations Based on Simplified Models of the Leak Location in Gas Pipelines

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Estimation of Possibilities of Calculations Based on Simplified Models of the Leak Location in Gas Pipelines. / Курбатова, Галина Ибрагимовна ; Клемешев, Владимир Алексеевич ; Егоров, Николай Васильевич.

In: Technical Physics, Vol. 69, No. 4, 07.09.2024, p. 915-921.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{de36e64510e44eb49382a117758f4bb9,

title = "Estimation of Possibilities of Calculations Based on Simplified Models of the Leak Location in Gas Pipelines",

abstract = "Abstract: For gas transportation through pipes in normal and emergency modes, a comparison of calculations based on mathematical models of various degrees of generality is presented. A mathematical model of a non-isothermal steady flow of a mixture of gases and its simplified versions are studied. For simplified options, simple analytical dependencies were obtained for calculating flow characteristics and calculating the lo cation of an emergency gas leak. Examples of calculations of pressure distributions, temperature and leakage coordinates in gas pipelines of medium pressures according to the general and simplified models are provided. The examples cover the parameter change area of practical interest. The conditions for the admissibility of using simplified models for calculating the coordinates of a leak of medium intensity and different lo cations are determined.",

keywords = "adequacy of the model, calculation of the place of emergency leakage, compressibility factor, gas pipelines, simplifications",

author = "Курбатова, {Галина Ибрагимовна} and Клемешев, {Владимир Алексеевич} and Егоров, {Николай Васильевич}",

year = "2024",

month = sep,

day = "7",

doi = "10.1134/s1063784224030198",

language = "English",

volume = "69",

pages = "915--921",

journal = "Technical Physics",

issn = "1063-7842",

publisher = "Pleiades Publishing",

number = "4",

}

RIS

TY - JOUR

T1 - Estimation of Possibilities of Calculations Based on Simplified Models of the Leak Location in Gas Pipelines

AU - Курбатова, Галина Ибрагимовна

AU - Клемешев, Владимир Алексеевич

AU - Егоров, Николай Васильевич

PY - 2024/9/7

Y1 - 2024/9/7

N2 - Abstract: For gas transportation through pipes in normal and emergency modes, a comparison of calculations based on mathematical models of various degrees of generality is presented. A mathematical model of a non-isothermal steady flow of a mixture of gases and its simplified versions are studied. For simplified options, simple analytical dependencies were obtained for calculating flow characteristics and calculating the lo cation of an emergency gas leak. Examples of calculations of pressure distributions, temperature and leakage coordinates in gas pipelines of medium pressures according to the general and simplified models are provided. The examples cover the parameter change area of practical interest. The conditions for the admissibility of using simplified models for calculating the coordinates of a leak of medium intensity and different lo cations are determined.

AB - Abstract: For gas transportation through pipes in normal and emergency modes, a comparison of calculations based on mathematical models of various degrees of generality is presented. A mathematical model of a non-isothermal steady flow of a mixture of gases and its simplified versions are studied. For simplified options, simple analytical dependencies were obtained for calculating flow characteristics and calculating the lo cation of an emergency gas leak. Examples of calculations of pressure distributions, temperature and leakage coordinates in gas pipelines of medium pressures according to the general and simplified models are provided. The examples cover the parameter change area of practical interest. The conditions for the admissibility of using simplified models for calculating the coordinates of a leak of medium intensity and different lo cations are determined.

KW - adequacy of the model

KW - calculation of the place of emergency leakage

KW - compressibility factor

KW - gas pipelines

KW - simplifications

UR - https://link.springer.com/article/10.1134/S1063784224030198

UR - https://www.mendeley.com/catalogue/62a25c2a-ef88-3e1f-8dc0-a4270e4ebe8a/

U2 - 10.1134/s1063784224030198

DO - 10.1134/s1063784224030198

M3 - Article

VL - 69

SP - 915

EP - 921

JO - Technical Physics

JF - Technical Physics

SN - 1063-7842

IS - 4

ER -

ID: 126034739