Search Results - "Hansen, Martin O L"

Highly Stable Lattice Boltzmann Method with a 2-D Actuator Line Model for Vertical Axis Wind Turbines by Cacciali, Luca, Hansen, Martin O. L., Rogowski, Krzysztof

“…A 2-D Lattice Boltzmann Method, designed to ensure stability at high Reynolds numbers, is combined with an Actuator Line Model to compute the loads on a…”
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Accuracy of the Gamma Re-Theta Transition Model for Simulating the DU-91-W2-250 Airfoil at High Reynolds Numbers by Michna, Jan, Rogowski, Krzysztof, Bangga, Galih, Hansen, Martin O. L.

“…Accurate computation of the performance of a horizontal-axis wind turbine (HAWT) using Blade Element Momentum (BEM) based codes requires good quality…”
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Validation of a Model for Estimating the Strength of a Vortex Created from the Bound Circulation of a Vortex Generator by Hansen, Martin O L, Charalampous, Antonis, Jean-Marc Foucaut, Cuvier, Christophe, Velte, Clara M

“…A hypothesis was tested and validated for predicting the vortex strength induced by a vortex generator in wall-bounded flow by combining the knowledge of the…”
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URANS and ACM for determining the aerodynamic performance of vertical-axis wind turbine by Rogowski, Krzysztof, Hansen, Martin O. L.

“…This paper presents numerical results of a one-bladed vertical axis wind turbine using the k-ε RNG turbulence model. The rotor geometry was developed based on…”
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Study of Reynolds number effects on the aerodynamics of a moderately thick airfoil using a high-pressure wind tunnel by Brunner, Claudia E., Kiefer, Janik, Hansen, Martin O. L., Hultmark, Marcus

“…Reynolds number effects on the aerodynamics of the moderately thick NACA 0021 airfoil were experimentally studied by means of surface-pressure measurements…”
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Accuracy and consistency of CFD and engineering models for simulating vertical axis wind turbine loads by Bangga, Galih, Dessoky, Amgad, Wu, Zhenlong, Rogowski, Krzysztof, Hansen, Martin O.L.

“…The present work is intended to assess the ability of state-of-the-art approaches with various fidelity levels for accurate load predictions on vertical axis…”
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RANS Simulations of Flow Past an DU-91-W2-250 Airfoil at High Reynolds Number by Rogowski, Krzysztof, Hansen, Martin O.L.

“…This paper presents numerical results of the DU-91-W2-250 airfoil. Reynolds-averaged Navier–Stokes (RANS) simulations of the 2D profile are performed employing…”
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Multiple vortex structures in the wake of a rectangular winglet in ground effect by Velte, Clara M, Hansen, Martin O. L, Okulov, Valery L

“…Experimental Thermal and Fluid Science, vol 72, p. 31-39, 2016 Patterns of vorticity in the wake of a single rectangular winglet (vortex generator) embedded in…”
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Alteration of helical vortex core without change in flow topology by Velte, Clara M, Okulov, Valery L, Hansen, Martin O. L

“…Physics of Fluids, vol: 23, issue: 5, pages: 051707, 2011 The abrupt expansion of the slender vortex core with changes in flow topology is commonly known as…”
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Helical structure of longitudinal vortices embedded in turbulent wall-bounded flow by Velte, Clara M, Hansen, Martin O. L, Okulov, Valery L

“…Journal of Fluid Mechanics, vol: 619, pages: 167-177, 2009 Embedded vortices in turbulent wall-bounded flow over a flat plate, generated by a passive…”
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Toward improving the performance of a variable pitch vertical axis wind turbine (VP-VAWT), Part 1: Sensitivity analysis using Taguchi-CFD approach by Rasekh, Sepehr, Aliabadi, Saeed Karimian, Hansen, Martin O.L.

“…Vertical axis wind turbines (VAWTs) are feasible to be improved due to lower efficiency compared to the horizontal axis type and suffer from fatigue issues as…”
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Validation of a model for estimating the strength of the vortex created by a Vortex Generator from its Bound Circulation by Hansen, Martin O. L, Charalampous, Antonios, Foucaut, Jean-Marc, Cuvier, Christophe, Velte, Clara M

“…A hypothesis is tested and validated for predicting the vortex strength induced by a vortex generator in wall-bounded flow by combining the knowledge of the…”
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Vorticity-velocity formulation of the 3D Navier-Stokes equations in cylindrical co-ordinates by Hansen, Martin O. L., Sørensen, Jens Nørkær, Shen, Wen Zhong

“…A finite difference method is presented for solving the 3D Navier–Stokes equations in vorticity–velocity form. The method involves solving the vorticity…”
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Multiple vortex structures in the wake of a rectangular winglet in ground effect by Velte, Clara M., Hansen, Martin O.L., Okulov, Valery L.

“…•Unexpected secondary vortices produced behind Vortex Generators (VGs).•Description of vortex topology: tip vortex, horseshoe vortex, lateral…”
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