Numerical Viscous Flow Simulations of Cavitating Propeller Flows at Different Reynolds Numbers

Autor: Ville Viitanen, Timo Siikonen, Antonio Sanchez-Caja

Publikováno v: Viitanen, V, Siikonen, T & Sanchez Caja, A 2019, Numerical Viscous Flow Simulations of Cavitating Propeller Flows at Different Reynolds Numbers . in Proceedings of the Sixth International Symposium on Marine Propulsors-smp'19 26-30 May 2019, Rome, Italy ., WA2.1, National Research Council of Italy, Institute of Marine Engineering (CNR-INM), Rome, Italy, International Symposiums on Marine Propulsors, 6th International Symposium on Marine Propulsors, SMP'19, Rome, Italy, 26/05/19 . < http://www.marinepropulsors.com/proceedings/2019/WA2-1.pdf >
VTT Technical Research Centre of Finland-PURE

In this paper, we conducted numerical simulations to investigate single and two-phase flows around marine propellers in open-water conditions at different Reynolds number regimes. Simulations were carried out using a homogeneous two-phase flow model

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::149297d316e616582bbd694fe5590f5d
https://cris.vtt.fi/en/publications/c8a9ca88-c508-4797-baa7-8fe7a5076199

Eddy vorticity in cavitating tip vortices modelled by different turbulence models using the RANS approach

Autor: Tuomas Sipilä, Antonio Sanchez-Caja, Siikonen, Timo L.

Publikováno v: Sipilä, T, Sánchez-Caja, A & Siikonen, T L 2014, Eddy vorticity in cavitating tip vortices modelled by different turbulence models using the RANS approach . in E Oñate, J Oliver & A Huerta (eds), Proceedings of the jointly organised 11th World Congress on Computational Mechanics WCCM XI, 5th European Conference on Computational Mechanics ECCM V, 6th European Conference on Computational Fluid Dynamics, ECFD VI . International Center for Numerical Methods in Engineering (CIMNE), Barcelona, pp. 4741-4752, 11th World Congress on Computational Mechanics-5th European Conference on Computational Mechanics-6th European Conference on Computational Fluid Dynamics, WCCM XI-ECCM V-ECFD VI, Barcelona, Spain, 20/07/14 . < https://congress.cimne.com/iacm-eccomas2014/admin/files/filePaper/p2917.pdf >
VTT Technical Research Centre of Finland-PURE

VTT Technical Research Centre of Finland and Aalto University have been investigating numerical simulation of cavitating propellers. Special emphasis is placed on the simulation of cavitating tip vortices. The simulations are performed with the k-ε,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::002ab99faadf245db73524e756fcca8f
https://cris.vtt.fi/en/publications/949dda4f-9a03-4a1d-99cd-1a208adb5d4a

Unsteady analysis of pressure pulses in a CLT propeller using a lifting surface vortex-lattice method

Autor: Antonio Sanchez-Caja

Publikováno v: Sanchez Caja, A 2012, Unsteady analysis of pressure pulses in a CLT propeller using a lifting surface vortex-lattice method . in International Conference on Advances and Challenges in Marine Noise and Vibration : Proceedings . University of Strathclyde Publishing, Glasgow, UK, pp. 197-202, Conference on Advances and Challenges in Marine Noise and Vibration, MARNAV 2012, Glasgow, United Kingdom, 5/09/12 .
VTT Technical Research Centre of Finland-PURE

This paper presents a hydrodynamic analysis of a CLT propeller using a lifting surface vortex lattice method. The UPCA91 lifting surface code has been extended for this purpose to account for the effect of endplates. The code is intended for the prel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::864d0b4f7805a415dede980516dce8e0
https://cris.vtt.fi/en/publications/9e71645c-4c48-4d89-a63a-891fa23a751d

Simulation of the Incompressible Viscous Flow around Ducted Propellers with Rudders Using a RANSE Solver

Autor: Antonio Sanchez-Caja, Pylkkänen, Jaakko V., Tuomas Sipilä

Publikováno v: Sanchez Caja, A, Pylkkänen, J V & Sipilä, T 2008, Simulation of the Incompressible Viscous Flow around Ducted Propellers with Rudders Using a RANSE Solver . in Proceedings of the 27th Symposium on Naval Hydrodynamics . U.S. Office of Naval Research (ONR), Seoul, pp. 968-982 .
VTT Technical Research Centre of Finland-PURE

Within EU Project SUPERPROP, fishing vessels have been studied. Usually their propulsion units consist of ducted propellers in order to provide large thrust in trawling. Rudders may significantly influence the performance of ducted propellers especia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1c5919cf86b9bbd3858b34481c49a39f
https://cris.vtt.fi/ws/files/52893483/ONRfinal_SanchezCajaA.pdf

RANS predictions for flow patterns around a compact azipod

Autor: Antonio Sanchez-Caja, Pylkkänen, Jaakko V.

Publikováno v: Sanchez Caja, A & Pylkkänen, J V 2006, RANS predictions for flow patterns around a compact azipod . in Proceedings in 2nd International conference on technical advances in Podded propulsion . University of Brest, Brest, 2nd International Conference on Technological Advances in Podded Propulsion,TPOD 2006, L'aber Wrac'h, France, 3/10/06 .
VTT Technical Research Centre of Finland-PURE

VTT has numerically investigated the hydrodynamic performance of a Compact Azipod unit at full and model scale at the design operation point. VTT used RANSE (Reynolds-Averaged-Navier-Stokes Equation) solver FINFLO in the calculations. Scale effects a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::38d1ab6497740d183b9b57ea16cbac23
https://cris.vtt.fi/en/publications/8d3be865-5d83-492a-8d41-e9c3e9cf54a6