A new class of actuator surface models for wind turbines
Abstract
Abstract Actuator line model has been widely used in wind turbine simulations. However, the standard actuator line model does not include a model for the turbine nacelle which can significantly impact turbine wake characteristics. Another disadvantage of the standard actuator line model is that more geometrical features of turbine blades cannot be resolved on a finer mesh. To alleviate these disadvantages of the standard model, we develop a new class of actuator surface models for turbine blades and nacelle to take into account more geometrical details of turbine blades and include the effect of turbine nacelle. The actuator surface model for nacelle is evaluated by simulating the flow over periodically placed nacelles. Both the actuator surface simulation and the wall‐resolved large‐eddy simulation are conducted. The comparison shows that the actuator surface model is able to give acceptable results especially at far wake locations on a very coarse mesh. It is noted that although this model is used for the turbine nacelle in this work, it is also applicable to other bluff bodies. The capability of the actuator surface model in predicting turbine wakes is assessed by simulating the flow over the MEXICO (Model experiments in Controlled Conditions) turbine and themore »
- Authors:
-
- Department of Civil Engineering, College of Engineering and Applied Sciences Stony Brook University Stony Brook, New York 11794 USA
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1417214
- Grant/Contract Number:
- DE‐EE0002980; DE‐EE0005482; DE‐AC04‐94AL85000
- Resource Type:
- Journal Article: Publisher's Accepted Manuscript
- Journal Name:
- Wind Energy
- Additional Journal Information:
- Journal Name: Wind Energy Journal Volume: 21 Journal Issue: 5; Journal ID: ISSN 1095-4244
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- United Kingdom
- Language:
- English
Citation Formats
Yang, Xiaolei, and Sotiropoulos, Fotis. A new class of actuator surface models for wind turbines. United Kingdom: N. p., 2018.
Web. doi:10.1002/we.2162.
Yang, Xiaolei, & Sotiropoulos, Fotis. A new class of actuator surface models for wind turbines. United Kingdom. https://doi.org/10.1002/we.2162
Yang, Xiaolei, and Sotiropoulos, Fotis. 2018.
"A new class of actuator surface models for wind turbines". United Kingdom. https://doi.org/10.1002/we.2162.
@article{osti_1417214,
title = {A new class of actuator surface models for wind turbines},
author = {Yang, Xiaolei and Sotiropoulos, Fotis},
abstractNote = {Abstract Actuator line model has been widely used in wind turbine simulations. However, the standard actuator line model does not include a model for the turbine nacelle which can significantly impact turbine wake characteristics. Another disadvantage of the standard actuator line model is that more geometrical features of turbine blades cannot be resolved on a finer mesh. To alleviate these disadvantages of the standard model, we develop a new class of actuator surface models for turbine blades and nacelle to take into account more geometrical details of turbine blades and include the effect of turbine nacelle. The actuator surface model for nacelle is evaluated by simulating the flow over periodically placed nacelles. Both the actuator surface simulation and the wall‐resolved large‐eddy simulation are conducted. The comparison shows that the actuator surface model is able to give acceptable results especially at far wake locations on a very coarse mesh. It is noted that although this model is used for the turbine nacelle in this work, it is also applicable to other bluff bodies. The capability of the actuator surface model in predicting turbine wakes is assessed by simulating the flow over the MEXICO (Model experiments in Controlled Conditions) turbine and the hydrokinetic turbine of Kang, Yang, and Sotiropoulos (Journal of Fluid Mechanics 744 (2014): 376‐403). Comparisons of the computed results with measurements show that the proposed actuator surface model is able to predict the tip vortices, turbulence statistics, and meandering of turbine wake with good accuracy.},
doi = {10.1002/we.2162},
url = {https://www.osti.gov/biblio/1417214},
journal = {Wind Energy},
issn = {1095-4244},
number = 5,
volume = 21,
place = {United Kingdom},
year = {Wed Jan 17 00:00:00 EST 2018},
month = {Wed Jan 17 00:00:00 EST 2018}
}
Web of Science
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