Mathematical Model of the Working Processes of the Gas Cap of a Piston Pump Installed in the Discharge Line

Author:

Shcherba Victor1ORCID,Bulgakova Irina2

Affiliation:

1. Hydromechanics and Machines Department, Omsk State Technical University, 644050 Omsk, Russia

2. Foreign Languages Department, Omsk State Technical University, 644050 Omsk, Russia

Abstract

A mathematical model of the working processes occurring in the gas cap has been developed on the basic fundamental laws of conservation of energy, mass and motion, and the equation of state, both taking into account the change in the mass of the gas due to phase transitions and the solubility of the gas in the liquid, and without taking them into account with a dividing element. In addition, there was developed a mathematical model of the liquid flow from the gas cap through a pipeline of constant cross section. It was found from the results of a numerical experiment that to reduce the feed irregularity, it is necessary to increase the length of the pipeline and the crankshaft revolutions, in addition to the known ratio of the volume of gas in the cap to the working volume of the pump; an increase in discharge pressure and an increase in the diameter of the connecting pipeline increases the feed irregularity.

Funder

Russian Science Foundation

Publisher

MDPI AG

Subject

General Engineering

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