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Abstract
The hydrodynamic and thermodynamic processes of geothermal well extraction are investigated and presented in this paper. The paper presents mathematical models for a multi-level centrifugal pump and pipeline system. The mathematical models were used to evaluate gas (nitrogen) emission in water and its effects on hydrodynamic processes. Experimental studies and mathematical modelling showed that the gas content of the fluid increases the pressure and flow pulsations within a centrifugal pump. The variation in the height of the liquid column in extraction has an influence on characteristics of the multistage centrifugal pump used in wells.
Highlights
Various investigations and analyses centred on the design and optimisation of the equipment used in geothermal power plants are done.This research mainly focuses on the investigation of the flow of fluid inside a centrifugal pump, design and geometry of an impeller blade, pump exploitation and fluid parameters.The most frequent approach to these kinds of problems is 3D modelling of the flow of fluid in a pump.Various authors have already investigated problems of this kind
Unsteady flow inside a centrifugal pump was investigated by Stickland et al (2000)
This paper aims to describe the hydrodynamic processes of a geothermal system using differential equations, solved using numerical methods
Summary
Various investigations and analyses centred on the design and optimisation of the equipment used in geothermal power plants are done.This research mainly focuses on the investigation of the flow of fluid inside a centrifugal pump, design and geometry of an impeller blade, pump exploitation and fluid parameters.The most frequent approach to these kinds of problems is 3D modelling of the flow of fluid in a pump.Various authors have already investigated problems of this kind. Various investigations and analyses centred on the design and optimisation of the equipment used in geothermal power plants are done. This research mainly focuses on the investigation of the flow of fluid inside a centrifugal pump, design and geometry of an impeller blade, pump exploitation and fluid parameters. The most frequent approach to these kinds of problems is 3D modelling of the flow of fluid in a pump. Various authors have already investigated problems of this kind. Other authors (Barrio et al 2010) used Navier– Stokes equations for three-dimensional unsteady flow modelling in a geothermal pump. Unsteady flow inside a centrifugal pump was investigated by Stickland et al (2000)
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