To conserve, or not to conserve ...: Large eddy simulation of wind farms with energy-conserving schemes

Dhruv Mehta

doi:10.4233/uuid:aa65b8cf-2a72-4687-a420-4000584eeeb8

To conserve, or not to conserve ... Large eddy simulation of wind farms with energy-conserving schemes

Dhruv Mehta

Aerodynamics

Research output: Thesis › Dissertation (TU Delft)

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Abstract

This thesis concerns the industrial application of large eddy simulation to wind farm aerodynamics. Through a series of simple tests, it presents the pros and cons of using energy-conserving time integration and furthers the importance of a dissipation-free spatial discretisation. Finally, it demonstrates the capability of the Energy-Conserving Navier-Stokes code based on a finite volume approach, to simulate; an experimentally analysed wake of an actuator disk, the turbulence within the atmospheric boundary layer & by combining the two, the velocity field through a wind farm.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	Delft University of Technology
Supervisors/Advisors	Bijl, Hester, Supervisor van Zuijlen, A.H., Advisor
Thesis sponsors	ECN, Petten
Award date	2 Nov 2016
Print ISBNs	978-94-6186-731-5
DOIs	https://doi.org/10.4233/uuid:aa65b8cf-2a72-4687-a420-4000584eeeb8
Publication status	Published - 2016

Keywords

large eddy simulation
smagorinsky
wind farm aerodynamics
energy conserving scheme
atmospheric boundary layer

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10.4233/uuid:aa65b8cf-2a72-4687-a420-4000584eeeb8

DMehta_ProefschriftFinal published version, 131 MB

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abstract = "This thesis concerns the industrial application of large eddy simulation to wind farm aerodynamics. Through a series of simple tests, it presents the pros and cons of using energy-conserving time integration and furthers the importance of a dissipation-free spatial discretisation. Finally, it demonstrates the capability of the Energy-Conserving Navier-Stokes code based on a finite volume approach, to simulate; an experimentally analysed wake of an actuator disk, the turbulence within the atmospheric boundary layer & by combining the two, the velocity field through a wind farm.",

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AB - This thesis concerns the industrial application of large eddy simulation to wind farm aerodynamics. Through a series of simple tests, it presents the pros and cons of using energy-conserving time integration and furthers the importance of a dissipation-free spatial discretisation. Finally, it demonstrates the capability of the Energy-Conserving Navier-Stokes code based on a finite volume approach, to simulate; an experimentally analysed wake of an actuator disk, the turbulence within the atmospheric boundary layer & by combining the two, the velocity field through a wind farm.

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KW - atmospheric boundary layer

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To conserve, or not to conserve ... Large eddy simulation of wind farms with energy-conserving schemes

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Keywords

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