Numerical investigation of air admission influence on the precessing vortex rope in a Francis turbine

[1]  Renhui Zhang,et al.  Analysis of the high-speed jet in a liquid-ring pump ejector using a proper orthogonal decomposition method , 2022 .

[2]  R. Xiao,et al.  Resonance risk assessment method on a storage pump’s centrifugal impeller by considering the hydrodynamic damping ratio , 2022, Engineering Applications of Computational Fluid Mechanics.

[3]  W. Jahn,et al.  Erosion under turbulent flow: a CFD-based simulation of near-wall turbulent impacts with experimental validation , 2022, Engineering Applications of Computational Fluid Mechanics.

[4]  Huaiyu Cheng,et al.  Numerical prediction of cavitation erosion risk in an axisymmetric nozzle using a multi-scale approach , 2022, Physics of Fluids.

[5]  K. Singh,et al.  Numerical Analysis of Water Jet Injection in the Draft Tube of a Francis Turbine At Part Load Operations , 2022, Journal of Fluids Engineering.

[6]  M. Elhakeem,et al.  Performance assessment of lift-based turbine for small-scale power generation in water pipelines using OpenFOAM , 2022, Engineering Applications of Computational Fluid Mechanics.

[7]  Huaiyu Cheng,et al.  Euler–Lagrange study of cavitating turbulent flow around a hydrofoil , 2021, Physics of Fluids.

[8]  A. Yu,et al.  Energy analysis of Francis turbine for various mass flow rate conditions based on entropy production theory , 2021, Renewable Energy.

[9]  Wen-Quan Wang,et al.  Entropy production analysis for vortex rope of a Francis turbine using hybrid RANS/LES method , 2021 .

[10]  F. Bunea,et al.  Hydraulic Turbine Performance Assessment with Implementation of an Innovative Aeration System , 2021, Water.

[11]  R. Maddahian,et al.  Optimization of axial water injection to mitigate the Rotating Vortex Rope in a Francis turbine , 2021 .

[12]  Hongjie Wang,et al.  Runner cone optimization to reduce vortex rope-induced pressure fluctuations in a Francis turbine , 2021, Science China Technological Sciences.

[13]  Jin-Hyuk Kim,et al.  Effect of Air Injection on the Internal Flow Characteristics in the Draft Tube of a Francis Turbine Model , 2021, Processes.

[14]  R. Goyal,et al.  Efficacy of ancillary fluid injection technique for mitigation of vortex rope in hydraulic turbines: A review , 2021, Materials Today: Proceedings.

[15]  Pengcheng Guo,et al.  Transient analysis of load rejection for a high-head Francis turbine based on structured overset mesh , 2021 .

[16]  A. Yu,et al.  Suppression of vortex rope oscillation and pressure vibrations in Francis turbine draft tube using various strategies , 2021, Journal of Hydrodynamics.

[17]  Geraldo Lúcio Tiago Filho,et al.  Comparative analysis for distributed generation using ultra‐low head hydro, solar and wind energies , 2021, International Journal of Energy Research.

[18]  P. Guo,et al.  Numerical investigation of inter‐blade cavitation vortex for a Francis turbine at part load conditions , 2021, IET Renewable Power Generation.

[19]  B. K. Gandhi,et al.  Rotating vortex rope formation and mitigation in draft tube of hydro turbines – A review from experimental perspective , 2021 .

[20]  Tullio Tucciarelli,et al.  Numerical analysis of a new cross-flow type hydraulic turbine for high head and low flow rate , 2021, Engineering Applications of Computational Fluid Mechanics.

[21]  Yong Liu,et al.  Computational research on the formation mechanism of double humps in pump–turbines , 2021, Engineering Applications of Computational Fluid Mechanics.

[22]  P. Guo,et al.  Numerical investigation of alleviation of undesirable effect of inter-blade vortex with air admission for a low-head Francis turbine , 2020, Journal of Hydrodynamics.

[23]  P. Guo,et al.  Numerical investigation on inter-blade cavitation vortex in a Franics turbine , 2020 .

[24]  R. Maddahian,et al.  Investigation of Rotating Vortex Rope formation during load variation in a Francis turbine draft tube , 2020 .

[25]  A. Oztekin,et al.  Mitigation of flow-induced pressure fluctuations in a Francis turbine operating at the design and partial load regimes—LES simulations , 2019, International Journal of Heat and Fluid Flow.

[26]  Eduard Doujak,et al.  Investigation on the Impact of Air Admission in a Prototype Francis Turbine at Low-Load Operation , 2019, Energies.

[27]  F. Avellan,et al.  Origin of the synchronous pressure fluctuations in the draft tube of Francis turbines operating at part load conditions , 2019, Journal of Fluids and Structures.

[28]  Alexandre Presas,et al.  Fatigue life estimation of Francis turbines based on experimental strain measurements: Review of the actual data and future trends , 2019, Renewable and Sustainable Energy Reviews.

[29]  M. Behbahani-nejad,et al.  Investigation on Combined Air and Water Injection in Francis Turbine Draft Tube to Reduce Vortex Rope Effects , 2018, Journal of Fluids Engineering.

[30]  Andres Müller,et al.  Dynamics of the precessing vortex rope and its interaction with the system at Francis turbines part load operating conditions , 2017 .

[31]  Rahul Goyal,et al.  Vortex Rope Formation in a High Head Model Francis Turbine , 2017 .

[32]  Håkan Nilsson,et al.  Active flow control of the vortex rope and pressure pulsations in a swirl generator , 2017 .

[33]  Andres Müller,et al.  Space and time reconstruction of the precessing vortex core in Francis turbine draft tube by 2D-PIV , 2016 .

[34]  Michel Cervantes,et al.  Transient pressure measurements at part load operating condition of a high head model Francis turbine , 2016 .

[35]  Parameswara Rao Nakkina,et al.  Numerical studies on fluid flow characteristics through different configurations of spiral casing , 2016 .

[36]  F. Avellan,et al.  Study of the vortex-induced pressure excitation source in a Francis turbine draft tube by particle image velocimetry , 2015 .

[37]  T. C. Vu,et al.  Simulation-based investigation of unsteady flow in near-hub region of a Kaplan Turbine with experimental comparison , 2015 .

[38]  Alin Bosioc,et al.  Unsteady Pressure Analysis of a Swirling Flow With Vortex Rope and Axial Water Injection in a Discharge Cone , 2012 .

[39]  F. Avellan,et al.  Analysis of the Cavitating Draft Tube Vortex in a Francis Turbine Using Particle Image Velocimetry Measurements in Two-Phase Flow , 2008 .

[40]  F. Menter.  Two-equation eddy-viscosity turbulence models for engineering applications , 1994 .

[41]  Bin Ji,et al.  A new Euler-Lagrangian cavitation model for tip-vortex cavitation with the effect of non-condensable gas , 2021 .

[42]  R. Susan-Resiga,et al.  3D numerical analysis of pulsating water jet in the draft tube cone of hydraulic machinery , 2019, PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2019 (ICCMSE-2019).

[43]  Michel Cervantes,et al.  PIV measurements in Francis turbine – A review and application to transient operations , 2018 .

[44]  Yuning Zhang,et al.  A review of methods for vortex identification in hydroturbines , 2018 .