Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube

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JOŠT, Dragica ;LIPEJ, Andrej .
Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 57, n.6, p. 445-456, june 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/numerical-prediction-of-non-cavitating-and-cavitating-vortex-rope-in-a-francis-turbine-draft-tube/>. Date accessed: 11 dec. 2018. 
doi:http://dx.doi.org/10.5545/sv-jme.2010.068.
Jošt, D., & Lipej, A.
(2011).
Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube.
Strojniški vestnik - Journal of Mechanical Engineering, 57(6), 445-456.
doi:http://dx.doi.org/10.5545/sv-jme.2010.068
@article{sv-jmesv-jme.2010.068,
	author = {Dragica  Jošt and Andrej  Lipej},
	title = {Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {57},
	number = {6},
	year = {2011},
	keywords = {Francis turbine; vortex rope; cavitation; pressure pulsation; turbulent models},
	abstract = {The paper presents a prediction of vortex rope in a draft tube obtained by the numerical flow analysis. The main goal of the research was to numerically predict pressure pulsation amplitude versus different guide vanes openings and compare the results with experimental ones. Three turbulent models (SAS-SST, ω-RSM and LES) were used. Also the effect of different domain configurations, grid density and time step size on results was examined. At first analysis was done without cavitation, while later at one operating point the cavitation model was included.},
	issn = {0039-2480},	pages = {445-456},	doi = {10.5545/sv-jme.2010.068},
	url = {https://www.sv-jme.eu/article/numerical-prediction-of-non-cavitating-and-cavitating-vortex-rope-in-a-francis-turbine-draft-tube/}
}
Jošt, D.,Lipej, A.
2011 June 57. Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 57:6
%A Jošt, Dragica 
%A Lipej, Andrej 
%D 2011
%T Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube
%B 2011
%9 Francis turbine; vortex rope; cavitation; pressure pulsation; turbulent models
%! Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube
%K Francis turbine; vortex rope; cavitation; pressure pulsation; turbulent models
%X The paper presents a prediction of vortex rope in a draft tube obtained by the numerical flow analysis. The main goal of the research was to numerically predict pressure pulsation amplitude versus different guide vanes openings and compare the results with experimental ones. Three turbulent models (SAS-SST, ω-RSM and LES) were used. Also the effect of different domain configurations, grid density and time step size on results was examined. At first analysis was done without cavitation, while later at one operating point the cavitation model was included.
%U https://www.sv-jme.eu/article/numerical-prediction-of-non-cavitating-and-cavitating-vortex-rope-in-a-francis-turbine-draft-tube/
%0 Journal Article
%R 10.5545/sv-jme.2010.068
%& 445
%P 12
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 57
%N 6
%@ 0039-2480
%8 2018-06-28
%7 2018-06-28
Jošt, Dragica, & Andrej  Lipej.
"Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube." Strojniški vestnik - Journal of Mechanical Engineering [Online], 57.6 (2011): 445-456. Web.  11 Dec. 2018
TY  - JOUR
AU  - Jošt, Dragica 
AU  - Lipej, Andrej 
PY  - 2011
TI  - Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2010.068
KW  - Francis turbine; vortex rope; cavitation; pressure pulsation; turbulent models
N2  - The paper presents a prediction of vortex rope in a draft tube obtained by the numerical flow analysis. The main goal of the research was to numerically predict pressure pulsation amplitude versus different guide vanes openings and compare the results with experimental ones. Three turbulent models (SAS-SST, ω-RSM and LES) were used. Also the effect of different domain configurations, grid density and time step size on results was examined. At first analysis was done without cavitation, while later at one operating point the cavitation model was included.
UR  - https://www.sv-jme.eu/article/numerical-prediction-of-non-cavitating-and-cavitating-vortex-rope-in-a-francis-turbine-draft-tube/
@article{{sv-jme}{sv-jme.2010.068},
	author = {Jošt, D., Lipej, A.},
	title = {Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {57},
	number = {6},
	year = {2011},
	doi = {10.5545/sv-jme.2010.068},
	url = {https://www.sv-jme.eu/article/numerical-prediction-of-non-cavitating-and-cavitating-vortex-rope-in-a-francis-turbine-draft-tube/}
}
TY  - JOUR
AU  - Jošt, Dragica 
AU  - Lipej, Andrej 
PY  - 2018/06/28
TI  - Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 57, No 6 (2011): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2010.068
KW  - Francis turbine, vortex rope, cavitation, pressure pulsation, turbulent models
N2  - The paper presents a prediction of vortex rope in a draft tube obtained by the numerical flow analysis. The main goal of the research was to numerically predict pressure pulsation amplitude versus different guide vanes openings and compare the results with experimental ones. Three turbulent models (SAS-SST, ω-RSM and LES) were used. Also the effect of different domain configurations, grid density and time step size on results was examined. At first analysis was done without cavitation, while later at one operating point the cavitation model was included.
UR  - https://www.sv-jme.eu/article/numerical-prediction-of-non-cavitating-and-cavitating-vortex-rope-in-a-francis-turbine-draft-tube/
Jošt, Dragica, AND Lipej, Andrej.
"Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 57 Number 6 (28 June 2018)

Authors

Affiliations

  • Turboinštitut, Rovšnikova 7, 1210 Ljubljana
  • Turboinštitut, Rovšnikova 7, 1210 Ljubljana

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 57(2011)6, 445-456

10.5545/sv-jme.2010.068

The paper presents a prediction of vortex rope in a draft tube obtained by the numerical flow analysis. The main goal of the research was to numerically predict pressure pulsation amplitude versus different guide vanes openings and compare the results with experimental ones. Three turbulent models (SAS-SST, ω-RSM and LES) were used. Also the effect of different domain configurations, grid density and time step size on results was examined. At first analysis was done without cavitation, while later at one operating point the cavitation model was included.

Francis turbine; vortex rope; cavitation; pressure pulsation; turbulent models