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Pressure And Temperature Drop In Gas Transporting Pipelines

Author

Listed:
  • BÉLA ILLÉS

    (University of Miskolc)

  • ELEMÉR BOBOK

    (University of Miskolc)

  • JÁNOS ZSUGA

    (CEO PhD, Natural Gas Transporting Ltd)

  • ANIKÓ TÓTH

    (University of Miskolc)

Abstract

It is a generally accepted practice in the natural gas industry the approximation that the temperature of the flowing gas along the length of the pipeline is constant. Experimental investigations obtain the decrease of the temperature in the direction of the flow resulted by the heat transfer between the flowing gas and the soil around the pipe. The polytropic change of thermal state seems to be a more realistic assumption than the traditional isothermal approximation. The flow equations are expanded to the polytropic expansion. The pressure distribution can be determined in this way with a higher accuracy. The key problem to determine the adequate value of the polytropic power. Our paper present a method to obtain this power based on the heat transfer calculations.

Suggested Citation

  • Béla Illés & Elemér Bobok & János Zsuga & Anikó Tóth, 2012. "Pressure And Temperature Drop In Gas Transporting Pipelines," Advanced Logistic systems, University of Miskolc, Department of Material Handling and Logistics, vol. 6(1), pages 159-166, December.
    • Handle: RePEc:pcz:alspcz:v:6:y:2012:i:1:p:159-166
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