Abstract
It is known that energy costs to pump a unit mass of hydrocarbon mixture in the form of gas 2÷3 times exceed energy costs to pump hydrocarbon mixture in the form of liquid. As far as energy conservation during energy carrier transportation is concerned, an important task is development and application of a method to calculate gas-liquid hydrocarbons flow and heat and mass transfer in process and trunk pipelines during their design and operation.The authors have developed a physical-mathematical model of a hydrocarbon flow in the gas condensate line based on balance equations of conservation of mass, impulse and energy of the transported medium within the framework of a quasi-1D approach.Based on the developed model a calculation method was obtained which is used to analyze hydrodynamic state and composition of hydrocarbon mixture in each ith section of the pipeline when temperature-pressure and hydraulic conditions change.
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