Detail publikačního výsledku

Analysis of the inlet recirculation in centrifugal pumps

POCHYLÝ, F.; JANDOUREK, P.; FIALOVÁ, S.; RUDOLF, P.

Originální název

Analysis of the inlet recirculation in centrifugal pumps

Anglický název

Analysis of the inlet recirculation in centrifugal pumps

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

Conference article is focused on theoretical and practical deepening of knowledge associated with inlet recirculation in centrifugal pumps, especially with higher specific speed pumps. The conditions of instability of the vortex structures and the causes of recirculation are studied theoretically and experimentally. The methodology is based on the analysis of the Navier-Stokes equations for an incompressible fluid depending on the boundary conditions. The result of the theoretical analysis is the design of various types of dampers in the suction part of the pump, to limit the occurrence of recirculation. Their effect is demonstrated experimentally in laboratory conditions. An article presents individual types of the vortex structures depending on the operating parameters of the pump, including its characteristics. The interest of the research is a plastic model of the pump with specific speed n(q) = 90 rpm which is made by 3D printing technology.

Anglický abstrakt

Conference article is focused on theoretical and practical deepening of knowledge associated with inlet recirculation in centrifugal pumps, especially with higher specific speed pumps. The conditions of instability of the vortex structures and the causes of recirculation are studied theoretically and experimentally. The methodology is based on the analysis of the Navier-Stokes equations for an incompressible fluid depending on the boundary conditions. The result of the theoretical analysis is the design of various types of dampers in the suction part of the pump, to limit the occurrence of recirculation. Their effect is demonstrated experimentally in laboratory conditions. An article presents individual types of the vortex structures depending on the operating parameters of the pump, including its characteristics. The interest of the research is a plastic model of the pump with specific speed n(q) = 90 rpm which is made by 3D printing technology.

Klíčová slova

recirculation;pump;vortex;passive control

Klíčová slova v angličtině

recirculation;pump;vortex;passive control

Autoři

POCHYLÝ, F.; JANDOUREK, P.; FIALOVÁ, S.; RUDOLF, P.

Rok RIV

2026

Vydáno

01.01.2025

Nakladatel

Iop Publishing Ltd

Místo

BRISTOL

Kniha

IOP Conference Series-Earth and Environmental Science

Periodikum

IOP Conference Series: Earth and Environmental Science

Svazek

1483

Stát

Spojené království Velké Británie a Severního Irska

Strany počet

6

BibTex

@inproceedings{BUT201057,
  author="František {Pochylý} and Pavel {Jandourek} and Simona {Fialová} and Pavel {Rudolf}",
  title="Analysis of the inlet recirculation in centrifugal pumps",
  booktitle="IOP Conference Series-Earth and Environmental Science",
  year="2025",
  journal="IOP Conference Series: Earth and Environmental Science",
  volume="1483",
  pages="6",
  publisher="Iop Publishing Ltd",
  address="BRISTOL",
  doi="10.1088/1755-1315/1483/1/012042",
  issn="1755-1307"
}