Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner with Calibrated Cavitation Models

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2025 Prenosov
Izvoz citacije: ABNT
MORGUT, Mitja ;JOŠT, Dragica ;ŠKERLAVAJ, Aljaž ;NOBILE, Enrico ;CONTENTO, Giorgio .
Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 64, n.9, p. 543-554, october 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/sl/article/numerical-predictions-of-cavitating-flow-around-a-marine-propeller-and-kaplan-turbine-runner-with-calibrated-cavitation-models/>. Date accessed: 19 sep. 2021. 
doi:http://dx.doi.org/10.5545/sv-jme.2017.4647.
Morgut, M., Jošt, D., Škerlavaj, A., Nobile, E., & Contento, G.
(2018).
Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models.
Strojniški vestnik - Journal of Mechanical Engineering, 64(9), 543-554.
doi:http://dx.doi.org/10.5545/sv-jme.2017.4647
@article{sv-jmesv-jme.2017.4647,
	author = {Mitja  Morgut and Dragica  Jošt and Aljaž  Škerlavaj and Enrico  Nobile and Giorgio  Contento},
	title = {Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {64},
	number = {9},
	year = {2018},
	keywords = {cavitation; marine propeller; Kaplan turbine; mass transfer models; RANS; SAS;},
	abstract = {Cavitating phenomena, which may occur in many industrial systems, can be modelled using several approaches. In this study a homogeneous multiphase model, used in combination with three previously calibrated mass transfer models, is evaluated for the numerical prediction of cavitating flow around a marine propeller and a Kaplan turbine runner. The simulations are performed using a commercial computational fluid dynamics (CFD) solver and the turbulence effects are modelled using, alternatively, the Reynolds averaged Navier Stokes (RANS) and scale adaptive simulation (SAS) approaches. The numerical results are compared with available experimental data. In the case of the propeller the thrust coefficient and the sketches of cavitation patterns are considered. In the case of the turbine the efficiency and draft tube losses, along with the cavitation pattern sketches, are compared. From the overall results it seems that, for the considered systems, the three different mass transfer models can guarantee similar levels of accuracy for the performance prediction. For a very detailed investigation of the fluid field, slight differences in the predicted shapes of the cavitation patterns can be observed. In addition, in the case of the propeller, the SAS simulation seems to guarantee a more accurate resolution of the cavitating tip vortex flow, while for the turbine, SAS simulations can significantly improve the predictions of the draft tube turbulent flow.},
	issn = {0039-2480},	pages = {543-554},	doi = {10.5545/sv-jme.2017.4647},
	url = {https://www.sv-jme.eu/sl/article/numerical-predictions-of-cavitating-flow-around-a-marine-propeller-and-kaplan-turbine-runner-with-calibrated-cavitation-models/}
}
Morgut, M.,Jošt, D.,Škerlavaj, A.,Nobile, E.,Contento, G.
2018 October 64. Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 64:9
%A Morgut, Mitja 
%A Jošt, Dragica 
%A Škerlavaj, Aljaž 
%A Nobile, Enrico 
%A Contento, Giorgio 
%D 2018
%T Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models
%B 2018
%9 cavitation; marine propeller; Kaplan turbine; mass transfer models; RANS; SAS;
%! Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models
%K cavitation; marine propeller; Kaplan turbine; mass transfer models; RANS; SAS;
%X Cavitating phenomena, which may occur in many industrial systems, can be modelled using several approaches. In this study a homogeneous multiphase model, used in combination with three previously calibrated mass transfer models, is evaluated for the numerical prediction of cavitating flow around a marine propeller and a Kaplan turbine runner. The simulations are performed using a commercial computational fluid dynamics (CFD) solver and the turbulence effects are modelled using, alternatively, the Reynolds averaged Navier Stokes (RANS) and scale adaptive simulation (SAS) approaches. The numerical results are compared with available experimental data. In the case of the propeller the thrust coefficient and the sketches of cavitation patterns are considered. In the case of the turbine the efficiency and draft tube losses, along with the cavitation pattern sketches, are compared. From the overall results it seems that, for the considered systems, the three different mass transfer models can guarantee similar levels of accuracy for the performance prediction. For a very detailed investigation of the fluid field, slight differences in the predicted shapes of the cavitation patterns can be observed. In addition, in the case of the propeller, the SAS simulation seems to guarantee a more accurate resolution of the cavitating tip vortex flow, while for the turbine, SAS simulations can significantly improve the predictions of the draft tube turbulent flow.
%U https://www.sv-jme.eu/sl/article/numerical-predictions-of-cavitating-flow-around-a-marine-propeller-and-kaplan-turbine-runner-with-calibrated-cavitation-models/
%0 Journal Article
%R 10.5545/sv-jme.2017.4647
%& 543
%P 12
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 64
%N 9
%@ 0039-2480
%8 2018-10-11
%7 2018-10-11
Morgut, Mitja, Dragica  Jošt, Aljaž  Škerlavaj, Enrico  Nobile, & Giorgio  Contento.
"Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models." Strojniški vestnik - Journal of Mechanical Engineering [Online], 64.9 (2018): 543-554. Web.  19 Sep. 2021
TY  - JOUR
AU  - Morgut, Mitja 
AU  - Jošt, Dragica 
AU  - Škerlavaj, Aljaž 
AU  - Nobile, Enrico 
AU  - Contento, Giorgio 
PY  - 2018
TI  - Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2017.4647
KW  - cavitation; marine propeller; Kaplan turbine; mass transfer models; RANS; SAS;
N2  - Cavitating phenomena, which may occur in many industrial systems, can be modelled using several approaches. In this study a homogeneous multiphase model, used in combination with three previously calibrated mass transfer models, is evaluated for the numerical prediction of cavitating flow around a marine propeller and a Kaplan turbine runner. The simulations are performed using a commercial computational fluid dynamics (CFD) solver and the turbulence effects are modelled using, alternatively, the Reynolds averaged Navier Stokes (RANS) and scale adaptive simulation (SAS) approaches. The numerical results are compared with available experimental data. In the case of the propeller the thrust coefficient and the sketches of cavitation patterns are considered. In the case of the turbine the efficiency and draft tube losses, along with the cavitation pattern sketches, are compared. From the overall results it seems that, for the considered systems, the three different mass transfer models can guarantee similar levels of accuracy for the performance prediction. For a very detailed investigation of the fluid field, slight differences in the predicted shapes of the cavitation patterns can be observed. In addition, in the case of the propeller, the SAS simulation seems to guarantee a more accurate resolution of the cavitating tip vortex flow, while for the turbine, SAS simulations can significantly improve the predictions of the draft tube turbulent flow.
UR  - https://www.sv-jme.eu/sl/article/numerical-predictions-of-cavitating-flow-around-a-marine-propeller-and-kaplan-turbine-runner-with-calibrated-cavitation-models/
@article{{sv-jme}{sv-jme.2017.4647},
	author = {Morgut, M., Jošt, D., Škerlavaj, A., Nobile, E., Contento, G.},
	title = {Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {64},
	number = {9},
	year = {2018},
	doi = {10.5545/sv-jme.2017.4647},
	url = {https://www.sv-jme.eu/sl/article/numerical-predictions-of-cavitating-flow-around-a-marine-propeller-and-kaplan-turbine-runner-with-calibrated-cavitation-models/}
}
TY  - JOUR
AU  - Morgut, Mitja 
AU  - Jošt, Dragica 
AU  - Škerlavaj, Aljaž 
AU  - Nobile, Enrico 
AU  - Contento, Giorgio 
PY  - 2018/10/11
TI  - Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 64, No 9 (2018): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2017.4647
KW  - cavitation, marine propeller, Kaplan turbine, mass transfer models, RANS, SAS,
N2  - Cavitating phenomena, which may occur in many industrial systems, can be modelled using several approaches. In this study a homogeneous multiphase model, used in combination with three previously calibrated mass transfer models, is evaluated for the numerical prediction of cavitating flow around a marine propeller and a Kaplan turbine runner. The simulations are performed using a commercial computational fluid dynamics (CFD) solver and the turbulence effects are modelled using, alternatively, the Reynolds averaged Navier Stokes (RANS) and scale adaptive simulation (SAS) approaches. The numerical results are compared with available experimental data. In the case of the propeller the thrust coefficient and the sketches of cavitation patterns are considered. In the case of the turbine the efficiency and draft tube losses, along with the cavitation pattern sketches, are compared. From the overall results it seems that, for the considered systems, the three different mass transfer models can guarantee similar levels of accuracy for the performance prediction. For a very detailed investigation of the fluid field, slight differences in the predicted shapes of the cavitation patterns can be observed. In addition, in the case of the propeller, the SAS simulation seems to guarantee a more accurate resolution of the cavitating tip vortex flow, while for the turbine, SAS simulations can significantly improve the predictions of the draft tube turbulent flow.
UR  - https://www.sv-jme.eu/sl/article/numerical-predictions-of-cavitating-flow-around-a-marine-propeller-and-kaplan-turbine-runner-with-calibrated-cavitation-models/
Morgut, Mitja, Jošt, Dragica, Škerlavaj, Aljaž, Nobile, Enrico, AND Contento, Giorgio.
"Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner  with Calibrated Cavitation Models" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 64 Number 9 (11 October 2018)

Avtorji

Inštitucije

  • University of Trieste, Department of Engineering and Architecture, Italy 1
  • Kolektor-Turboinštitut, Slovenia 2

Informacije o papirju

Strojniški vestnik - Journal of Mechanical Engineering 64(2018)9, 543-554

https://doi.org/10.5545/sv-jme.2017.4647

Cavitating phenomena, which may occur in many industrial systems, can be modelled using several approaches. In this study a homogeneous multiphase model, used in combination with three previously calibrated mass transfer models, is evaluated for the numerical prediction of cavitating flow around a marine propeller and a Kaplan turbine runner. The simulations are performed using a commercial computational fluid dynamics (CFD) solver and the turbulence effects are modelled using, alternatively, the Reynolds averaged Navier Stokes (RANS) and scale adaptive simulation (SAS) approaches. The numerical results are compared with available experimental data. In the case of the propeller the thrust coefficient and the sketches of cavitation patterns are considered. In the case of the turbine the efficiency and draft tube losses, along with the cavitation pattern sketches, are compared. From the overall results it seems that, for the considered systems, the three different mass transfer models can guarantee similar levels of accuracy for the performance prediction. For a very detailed investigation of the fluid field, slight differences in the predicted shapes of the cavitation patterns can be observed. In addition, in the case of the propeller, the SAS simulation seems to guarantee a more accurate resolution of the cavitating tip vortex flow, while for the turbine, SAS simulations can significantly improve the predictions of the draft tube turbulent flow.

cavitation; marine propeller; Kaplan turbine; mass transfer models; RANS; SAS;