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Analysis of numerical instability of centrifugal pumps operational characteristics
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Title: Analysis of numerical instability of centrifugal pumps operational characteristics

Creator:

Andrej Lipej

Date:

2020

Type:

artykuł w czasopiśmie

Description:

In recent years, computational fluid dynamics has been increasingly used in the development of various types of rotating machines. In the case of water turbines and pumps, a large number of researches have been published recently, related to the use of different numerical methods for prediction of efficiency, cavitation characteristics and different dynamic phenomena. For basic analysis an accurate result near the optimal operating regime is sufficient, but for detailed analysis the numerical analyses in the wider field of operating conditions are necessary. Thus, we encounter some otherwise known physical phenomena that occur in the part load and full load regime. In these areas, due to the nature of the flow, various non-stationary phenomena occur that are dominant for such operating regimes. In this paper, the problems that arises if we consider only stationary results and some recommendations to avoid later problems in the operation of centrifugal pumps are presented.

Place of publishing:

Koszalin

Publisher:

Publishing House of the Koszalin University of Technology

Format:

application/pdf

Identifier:

oai:dlibra.tu.koszalin.pl:1515

Language:

eng

Is part of:

Journal of Mechanical and Energy Engineering. Vol.4 (44), nr 4, s. 357-364

Rights:

Biblioteka Politechniki Koszalińskiej

Access rights:

internet

License:

Creative Commons BY 4.0

Exlibris

Subject and keywords:

centrifugal pump convergence numerical analysis pump characteristics

Object collections:

Last modified:

Nov 6, 2023

In our library since:

Jun 17, 2022

Number of object content hits:

98

All available object's versions:

https://dlibra.tu.koszalin.pl/publication/1519

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Edition name Date
Andrej Lipej, 2020, Analysis of numerical instability of centrifugal pumps operational characteristics Nov 6, 2023

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