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Wyszukujesz frazę "Kaniecki, M." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
CFD analysis of high speed Francis hydraulic turbines
Autorzy:
Kaniecki, M.
Krzemianowski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/175474.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Francis turbine analysis
inverse problem
Opis:
The paper presents the computational investigations of model Francis turbines (for high kinematic specific speed 95–115. Numerical calculations were carried out for flow systems including two different Francis runners. The computational fluid dynamics (CFD) analyses were performed for accurately mapped geometry of the laboratory test rig with installed model turbine. Commercial software was used for analysis.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2016, 131; 111-120
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computational fluid dynamics simulations of small capacity Kaplan turbines
Autorzy:
Kaniecki, M.
Krzemianowski, Z.
Banaszek, M.
Powiązania:
https://bibliotekanauki.pl/articles/175414.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hydraulic Kaplan turbine
CFD simulations
determination of operating parameters
cam curve characteristic
hill diagram
Opis:
In the presented paper authors focused on numerical analysis of the flow through selected constructions of Kaplan and semi-Kaplan machines. The paper contains three computation examples; each of them concentrates on different aspects of computational fluid dynamics (CFD) utilization. The numerical tests of various turbulent models for Kaplan turbine CFD applications, numerical determination of the cam curve characteristic and numerical analysis of operating parameters of the semi-Kaplan machine have been presented. The methodology of the implemented numerical computations and final results of calculations have been discussed in each of the presented study cases.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2011, 123; 71-84
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Discharge measurement and performance tests of hydraulic units in low-head small hydropower installations
Autorzy:
Steller, J.
Adamkowski, A.
Henke, A.
Janicki, W.
Kaniecki, M.
Krzemianowski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/175552.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hydropower
hydraulic unit
performance test
discharge measurement
current meter method
pressure-time method
Opis:
In course of over half a century the test teams of the Szewalski Institute of Fluid-Flow Machinery (IMP PAN) have conducted numerous performance tests of small hydropower (SHP) installations on various occasions and motivations, including updating or establishing performance characteristics of old machines, acceptance of new units, checking or optimising the cam correlation of new or refurbished double-regulated turbines, checking performance of prototype turbines under field conditions. The discharge measurement techniques have included currentmeter, pressure-time and acoustic methods. Index tests, using the Winter-Kennedy and other differential pressure methods, as well as current-meter and acoustic techniques, have been employed quite frequently to optimise the cam curves of double-regulated machines. In one case a simplified technique based solely on the power/wicket gate opening relationship was checked. This paper discusses some techniques applied when determining the absolute efficiency and optimizing cam correlations by means of absolute and index test methods. Cubic spline formulae as applied to integrate the flow velocity field in a hydrometric section are derived. Results of a discharge measurement by means of the current-meter and pressure-time method are compared as a special case study. Finally, practical recommendations addressed both to the power plant owners and the test team members are formulated.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2015, 130; 3-29
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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