IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 1: Flow-over-terrain models

Javier Sanz Rodrigo; Pawel Gancarski; Roberto Chavez Arroyo; Patrick Moriarty; Matthew Chuchfield; Jonathan W. Naughton; Kurt Schaldemose Hansen; Ewan Machefaux; Tilman Koblitz; Eoghan Maguire; Francesco Castellani; Ludovico Terzi; Simon-Philippe Breton; Yuko Ueda; John Prospathopoulos; Gregory S. Oxley; Carlos Peralta; Xiadong Zhang; Björn Witha

doi:10.1088/1742-6596/524/1/012105

IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 1: Flow-over-terrain models

Javier Sanz Rodrigo
, Pawel Gancarski
, Roberto Chavez Arroyo
, Patrick Moriarty
, Matthew Chuchfield
, Jonathan W. Naughton
, Kurt Schaldemose Hansen
, Ewan Machefaux
, Tilman Koblitz
, Eoghan Maguire
, Francesco Castellani
, Ludovico Terzi
, Simon-Philippe Breton
, Yuko Ueda
, John Prospathopoulos
, Gregory S. Oxley
, Carlos Peralta
, Xiadong Zhang
, Björn Witha

National Renewable Energy Center
National Renewable Energy Laboratory
University of Wyoming
Vattenfall
University of Perugia
Sorgenia Green
Uppsala University
Wind Energy Institute of Tokyo Inc.
Centre of Renewable Energy Resources and Saving
Vestas Wind Systems AS
Fraunhofer-Gesellschaft
North China Electric Power University
ForWind

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Abstract

The IEA Task 31 Wakebench is setting up a framework for the evaluation of wind farm flow models operating at microscale level. The framework consists on a model evaluation protocol integrated on a web-based portal for model benchmarking (www.windbench.net). This paper provides an overview of the building-block validation approach applied to flow-over-terrain models, including best practices for the benchmarking and data processing procedures for the analysis and qualification of validation datasets from wind resource assessment campaigns. A hierarchy of test cases has been proposed for flow-over-terrain model evaluation, from Monin- Obukhov similarity theory for verification of surface-layer properties, to the Leipzig profile for the near-neutral atmospheric boundary layer, to flow over isolated hills (Askervein and Bolund) to flow over mountaneous complex terrain (Alaiz). A summary of results from the first benchmarks are used to illustrate the model evaluation protocol applied to flow-over-terrain modeling in neutral conditions.

Original language	English
Article number	012105
Book series	Journal of Physics: Conference Series (Online)
Volume	524
Issue number	1
Number of pages	11
ISSN	1742-6596
DOIs	https://doi.org/10.1088/1742-6596/524/1/012105
Publication status	Published - 2014
Event	5th International Conference on The Science of Making Torque from Wind 2014 - Technical University of Denmark, Copenhagen, Denmark Duration: 10 Jun 2014 → 20 Jun 2014 Conference number: 5 http://indico.conferences.dtu.dk/conferenceDisplay.py?confId=138

Conference

Conference	5th International Conference on The Science of Making Torque from Wind 2014
Number	5
Location	Technical University of Denmark
Country/Territory	Denmark
City	Copenhagen
Period	10/06/2014 → 20/06/2014
Internet address	http://indico.conferences.dtu.dk/conferenceDisplay.py?confId=138

Bibliographical note

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd

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IEA Task 31 WAKEBENCHFinal published version, 1.13 MB

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Rodrigo, J. S., Gancarski, P., Arroyo, R. C., Moriarty, P., Chuchfield, M., Naughton, J. W., Hansen, K. S., Machefaux, E., Koblitz, T., Maguire, E., Castellani, F., Terzi, L., Breton, S.-P., Ueda, Y., Prospathopoulos, J., Oxley, G. S., Peralta, C., Zhang, X., & Witha, B. (2014). IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 1: Flow-over-terrain models. Journal of Physics: Conference Series (Online), 524(1), Article 012105. https://doi.org/10.1088/1742-6596/524/1/012105

@inproceedings{338a701f4c294253904168fe09389e30,

title = "IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 1: Flow-over-terrain models",

abstract = "The IEA Task 31 Wakebench is setting up a framework for the evaluation of wind farm flow models operating at microscale level. The framework consists on a model evaluation protocol integrated on a web-based portal for model benchmarking (www.windbench.net). This paper provides an overview of the building-block validation approach applied to flow-over-terrain models, including best practices for the benchmarking and data processing procedures for the analysis and qualification of validation datasets from wind resource assessment campaigns. A hierarchy of test cases has been proposed for flow-over-terrain model evaluation, from Monin- Obukhov similarity theory for verification of surface-layer properties, to the Leipzig profile for the near-neutral atmospheric boundary layer, to flow over isolated hills (Askervein and Bolund) to flow over mountaneous complex terrain (Alaiz). A summary of results from the first benchmarks are used to illustrate the model evaluation protocol applied to flow-over-terrain modeling in neutral conditions.",

author = "Rodrigo, \{Javier Sanz\} and Pawel Gancarski and Arroyo, \{Roberto Chavez\} and Patrick Moriarty and Matthew Chuchfield and Naughton, \{Jonathan W.\} and Hansen, \{Kurt Schaldemose\} and Ewan Machefaux and Tilman Koblitz and Eoghan Maguire and Francesco Castellani and Ludovico Terzi and Simon-Philippe Breton and Yuko Ueda and John Prospathopoulos and Oxley, \{Gregory S.\} and Carlos Peralta and Xiadong Zhang and Bj{\"o}rn Witha",

note = "Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd; 5th International Conference on The Science of Making Torque from Wind 2014, TORQUE 2014 ; Conference date: 10-06-2014 Through 20-06-2014",

year = "2014",

doi = "10.1088/1742-6596/524/1/012105",

language = "English",

volume = "524",

journal = "Journal of Physics: Conference Series (Online)",

issn = "1742-6596",

publisher = "IOP Publishing",

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Rodrigo, JS, Gancarski, P, Arroyo, RC, Moriarty, P, Chuchfield, M, Naughton, JW, Hansen, KS, Machefaux, E, Koblitz, T, Maguire, E, Castellani, F, Terzi, L, Breton, S-P, Ueda, Y, Prospathopoulos, J, Oxley, GS, Peralta, C, Zhang, X & Witha, B 2014, 'IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 1: Flow-over-terrain models', Journal of Physics: Conference Series (Online), vol. 524, no. 1, 012105. https://doi.org/10.1088/1742-6596/524/1/012105

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T1 - IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 1: Flow-over-terrain models

AU - Rodrigo, Javier Sanz

AU - Gancarski, Pawel

AU - Arroyo, Roberto Chavez

AU - Moriarty, Patrick

AU - Chuchfield, Matthew

AU - Naughton, Jonathan W.

AU - Hansen, Kurt Schaldemose

AU - Machefaux, Ewan

AU - Koblitz, Tilman

AU - Maguire, Eoghan

AU - Castellani, Francesco

AU - Terzi, Ludovico

AU - Breton, Simon-Philippe

AU - Ueda, Yuko

AU - Prospathopoulos, John

AU - Oxley, Gregory S.

AU - Peralta, Carlos

AU - Zhang, Xiadong

AU - Witha, Björn

N1 - Conference code: 5

PY - 2014

Y1 - 2014

N2 - The IEA Task 31 Wakebench is setting up a framework for the evaluation of wind farm flow models operating at microscale level. The framework consists on a model evaluation protocol integrated on a web-based portal for model benchmarking (www.windbench.net). This paper provides an overview of the building-block validation approach applied to flow-over-terrain models, including best practices for the benchmarking and data processing procedures for the analysis and qualification of validation datasets from wind resource assessment campaigns. A hierarchy of test cases has been proposed for flow-over-terrain model evaluation, from Monin- Obukhov similarity theory for verification of surface-layer properties, to the Leipzig profile for the near-neutral atmospheric boundary layer, to flow over isolated hills (Askervein and Bolund) to flow over mountaneous complex terrain (Alaiz). A summary of results from the first benchmarks are used to illustrate the model evaluation protocol applied to flow-over-terrain modeling in neutral conditions.

AB - The IEA Task 31 Wakebench is setting up a framework for the evaluation of wind farm flow models operating at microscale level. The framework consists on a model evaluation protocol integrated on a web-based portal for model benchmarking (www.windbench.net). This paper provides an overview of the building-block validation approach applied to flow-over-terrain models, including best practices for the benchmarking and data processing procedures for the analysis and qualification of validation datasets from wind resource assessment campaigns. A hierarchy of test cases has been proposed for flow-over-terrain model evaluation, from Monin- Obukhov similarity theory for verification of surface-layer properties, to the Leipzig profile for the near-neutral atmospheric boundary layer, to flow over isolated hills (Askervein and Bolund) to flow over mountaneous complex terrain (Alaiz). A summary of results from the first benchmarks are used to illustrate the model evaluation protocol applied to flow-over-terrain modeling in neutral conditions.

U2 - 10.1088/1742-6596/524/1/012105

DO - 10.1088/1742-6596/524/1/012105

M3 - Conference article

SN - 1742-6596

VL - 524

JO - Journal of Physics: Conference Series (Online)

JF - Journal of Physics: Conference Series (Online)

IS - 1

M1 - 012105

T2 - 5th International Conference on The Science of Making Torque from Wind 2014

Y2 - 10 June 2014 through 20 June 2014

ER -

IEA-Task 31 WAKEBENCH: Towards a protocol for wind farm flow model evaluation. Part 1: Flow-over-terrain models

Abstract

Conference

Bibliographical note

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