Numerical Analysis of the Radial Load, Pressure and Velocity Fields of a Single Blade Pump

The centrifugal screw-type pump is a type of pump which, due to its hydraulic and mechanical properties, is used in several areas of the industry (e.g., for sludge and rainwater disposal). To avoid impeller passage clogging, the 3D impeller geometry is designed as a helically curved blade added to a...

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Bibliographic Details
Published in:Modelling 2022-12, Vol.3 (4), p.434-444
Main Authors: Bleho, Dávid, Olšiak, Róbert, Knížat, Branislav, Mlkvik, Marek
Format: Article
Language:English
Subjects:
CAD
Centrifugal pumps
CFD
Computational fluid dynamics
Computer aided design
Flow velocity
Geometry
Impellers
Internal flow
Mathematical models
Mechanical properties
Numerical analysis
Pressure distribution
pressure field
radial force
Rain water
single blade impeller
Turbulence models
Velocity
Velocity distribution
velocity field
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Summary:The centrifugal screw-type pump is a type of pump which, due to its hydraulic and mechanical properties, is used in several areas of the industry (e.g., for sludge and rainwater disposal). To avoid impeller passage clogging, the 3D impeller geometry is designed as a helically curved blade added to a conical hub. The passability through the fluid canal of the modelled impeller is 100 mm. In this paper, the magnitude of the radial force on an impeller blade is investigated as a function of the flow rate. The digital model was designed in Catia V5 and calculated using the commercial Ansys CFX software. A numerical computational fluid dynamics (CFD) method was used to investigate the performance characteristics of the pump, specifically discussing internal flow conditions such as velocity, pressure and the radial force mentioned above.
ISSN:2673-3951
2673-3951
DOI:10.3390/modelling3040028