Application of engineering models to predict wake deflection due to a tilted wind turbine

Publication: Research - peer-reviewPoster – Annual report year: 2012

Standard

Application of engineering models to predict wake deflection due to a tilted wind turbine. / Guntur, Srinivas; Troldborg, Niels; Gaunaa, Mac.

2012. Poster session presented at EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark.

Publication: Research - peer-reviewPoster – Annual report year: 2012

Harvard

Guntur, S, Troldborg, N & Gaunaa, M 2012, 'Application of engineering models to predict wake deflection due to a tilted wind turbine' EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark, 16/04/2012 - 19/04/2012,

APA

Guntur, S., Troldborg, N., & Gaunaa, M. (2012). Application of engineering models to predict wake deflection due to a tilted wind turbine. Poster session presented at EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark.

CBE

Guntur S, Troldborg N, Gaunaa M. 2012. Application of engineering models to predict wake deflection due to a tilted wind turbine. Poster session presented at EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark.

MLA

Vancouver

Guntur S, Troldborg N, Gaunaa M. Application of engineering models to predict wake deflection due to a tilted wind turbine. 2012. Poster session presented at EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark.

Author

Guntur, Srinivas; Troldborg, Niels; Gaunaa, Mac / Application of engineering models to predict wake deflection due to a tilted wind turbine.

2012. Poster session presented at EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark.

Publication: Research - peer-reviewPoster – Annual report year: 2012

Bibtex

@conference{516fc6d0c5364ed99f2f2b787d1785ee,
title = "Application of engineering models to predict wake deflection due to a tilted wind turbine",
abstract = "It is a known fact that the power produced by wind turbines operating inside an array decreases due to the wake effects of the upstream turbines. It has been proposed previously to use the yaw mechanism as a potential means to steer the upstream wake away from downstream turbines, however such a mechanism introduces control complications due to changing wind directions. Deflecting the wake in the vertical direction using tilt, on the other hand, overcomes this challenge. In this paper, the feasibility of steering wake is explored in a simple uniform inflow case. This is done by trying to model the wake deflection as a function of the yaw/tilt angle and the rotor thrust, initially using the momentum and vortex theories. Thereafter, a relatively more promising empirical model based on a set of actuator disc CFD computations is proposed. Finally, comments are made on the feasibility of wake control using yaw/tilt.",
keywords = "Wind turbines, Yaw, Tilt, Wake deflection, EWEA 2012",
author = "Srinivas Guntur and Niels Troldborg and Mac Gaunaa",
year = "2012",

}

RIS

TY - CONF

T1 - Application of engineering models to predict wake deflection due to a tilted wind turbine

AU - Guntur,Srinivas

AU - Troldborg,Niels

AU - Gaunaa,Mac

PY - 2012

Y1 - 2012

N2 - It is a known fact that the power produced by wind turbines operating inside an array decreases due to the wake effects of the upstream turbines. It has been proposed previously to use the yaw mechanism as a potential means to steer the upstream wake away from downstream turbines, however such a mechanism introduces control complications due to changing wind directions. Deflecting the wake in the vertical direction using tilt, on the other hand, overcomes this challenge. In this paper, the feasibility of steering wake is explored in a simple uniform inflow case. This is done by trying to model the wake deflection as a function of the yaw/tilt angle and the rotor thrust, initially using the momentum and vortex theories. Thereafter, a relatively more promising empirical model based on a set of actuator disc CFD computations is proposed. Finally, comments are made on the feasibility of wake control using yaw/tilt.

AB - It is a known fact that the power produced by wind turbines operating inside an array decreases due to the wake effects of the upstream turbines. It has been proposed previously to use the yaw mechanism as a potential means to steer the upstream wake away from downstream turbines, however such a mechanism introduces control complications due to changing wind directions. Deflecting the wake in the vertical direction using tilt, on the other hand, overcomes this challenge. In this paper, the feasibility of steering wake is explored in a simple uniform inflow case. This is done by trying to model the wake deflection as a function of the yaw/tilt angle and the rotor thrust, initially using the momentum and vortex theories. Thereafter, a relatively more promising empirical model based on a set of actuator disc CFD computations is proposed. Finally, comments are made on the feasibility of wake control using yaw/tilt.

KW - Wind turbines

KW - Yaw

KW - Tilt

KW - Wake deflection

KW - EWEA 2012

M3 - Poster

ER -