Calculation of mixing parameters during sequential transportation of natural gas and hydrogen by pipeline

• Autorzy: Serediuk M. D. , Velykyi S. V.

Identyfikatory

DOI

10.5604/01.3001.0054.8677

• Języki publikacji: EN

Abstrakty

EN

Purpose: To determine the effect of hydrogen concentration in the gas-hydrogen mixture on the throughput capacity of the main gas pipeline and the volume of energy transported by it. The range of molar concentrations of hydrogen in the gas-hydrogen mixture up to and including 20%, which does not require significant technical modernisation of the system, was investigated. Design/methodology/approach: Performing theoretical studies and applying mathematical modelling methods to establish the regularities of thermo hydrodynamic processes in a gas pipeline, gas turbine and centrifugal blowers while transporting gas-hydrogen mixtures. Findings: In the example of a gas turbine unit widely used in the gas transmission system of Ukraine, it was found that the molar content of hydrogen, if it does not exceed 20%, has a negligible effect on its rated power and other energy parameters. Adding hydrogen to natural gas with the above molar content will lead to a slight decrease in the pipeline system's capacity (up to 5%) and a significant reduction in the volume of energy transportation (up to 18%). Research limitations/implications: The next stage of the study is to determine the impact of gas-hydrogen mixture properties on the pipeline capacity, taking into account changes in seasonal factors and the degree of system load. Practical implications: A method and software have been developed to predict the pipeline capacity and energy transfer volume for the transportation of gas-hydrogen mixtures, taking into account the influence of seasonal factors, gas-dynamic characteristics of blowers, and combinations of gas-pumping units at compressor stations. Originality/value: Modern international standards are used to calculate the physicochemical and thermodynamic properties of gas-hydrogen mixtures under standard and operating conditions. The originality of the approach lies in the fact that the compressor station and the linear section of the gas pipeline are considered a single gas-dynamic system.

Słowa kluczowe

EN

gas-hydrogen mixture; gas turbine unit; thermodynamic calculation; energy parameters; centrifugal blower; gas-dynamic calculation

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2024
• Tom: Vol. 125, nr 2
• Strony: 66--77
• Opis fizyczny: Bibliogr. 14 poz., rys., tab.

Twórcy

autor

Serediuk M. D.

• Department of Transportation and Storage of Energy Carriers, Institute of Petroleum Engineering, Ivano- Frankivsk National Technical University of Oil and Gas, 15 Karpatska str., Ivano-Frankivsk, Ukraine

• https://orcid.org/0000-0002-6874-6947

autor

Velykyi S. V.

• Department of Transportation and Storage of Energy Carriers, Institute of Petroleum Engineering, Ivano- Frankivsk National Technical University of Oil and Gas, 15 Karpatska str., Ivano-Frankivsk, Ukraine

• https://orcid.org/0009-0003-0505-8631

Bibliografia

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• [10] M.D. Serediuk, S.Y Hryhorskyi, The throughput capacity of the main gas pipeline when transporting gas-hydrogen mixtures, Journal of Achievements in Materials and Manufacturing Engineering 123/2 (2024) 58-71. DOI: https://doi.org/10.5604/01.3001.0054.6976
• [11] М.D. Serediuk, Methods of hydrodynamic calculation oil pipeline sequential transportation of small batches of various oil, Archives of Materials Science and Engineering 117/1 (2022) 25-33. DOI: https://doi.org/10.5604/01.3001.0016.1394
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