A common, worldwide atmospheric phenomenon known as a low-level jet (LLJ) offers benefits to wind energy production. Despite the fact that this effect may be used to increase the capacity factor of wind farms, the interaction between LLJs and wind power plants is not entirely known. By producing a synthetic LLJ velocity profile under well-controlled laboratory conditions, we show that this phenomenon enhances energy entrainment in the wake of wind turbines. The mechanism is associated with the increased velocity shear around the wind farm canopy height, which leads to higher turbulent mixing and, consequently, more energy flux for inner turbines within wind farms. The new insight from this work offers an opportunity to strategically develop, configure, and operate wind farms by taking into account the particular modulation of LLJs.
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September 2020
Research Article|
September 01 2020
Interaction of low-level jets with wind turbines: On the basic mechanisms for enhanced performance
Ali Doosttalab
;
Ali Doosttalab
a)
1
School of Mechanical Engineering, Purdue University
, West Lafayette, Indiana 47907, USA
a)Author to whom correspondence should be addressed: [email protected]
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Diego Siguenza-Alvarado;
Diego Siguenza-Alvarado
b)
1
School of Mechanical Engineering, Purdue University
, West Lafayette, Indiana 47907, USA
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Venkatesh Pulletikurthi
;
Venkatesh Pulletikurthi
1
School of Mechanical Engineering, Purdue University
, West Lafayette, Indiana 47907, USA
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Yaqing Jin;
Yaqing Jin
2
Department of Mechanical Science and Engineering, University of Illinois-Urbana-Champaign
, Urbana, Illinois 61801, USA
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Humberto Bocanegra Evans
;
Humberto Bocanegra Evans
1
School of Mechanical Engineering, Purdue University
, West Lafayette, Indiana 47907, USA
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Leonardo P. Chamorro
;
Leonardo P. Chamorro
2
Department of Mechanical Science and Engineering, University of Illinois-Urbana-Champaign
, Urbana, Illinois 61801, USA
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Luciano Castillo
Luciano Castillo
1
School of Mechanical Engineering, Purdue University
, West Lafayette, Indiana 47907, USA
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a)Author to whom correspondence should be addressed: [email protected]
b)
Also at: ESPOL Polytechnic University, Guayaquil, Ecuador.
J. Renewable Sustainable Energy 12, 053301 (2020)
Article history
Received:
June 07 2020
Accepted:
August 10 2020
Citation
Ali Doosttalab, Diego Siguenza-Alvarado, Venkatesh Pulletikurthi, Yaqing Jin, Humberto Bocanegra Evans, Leonardo P. Chamorro, Luciano Castillo; Interaction of low-level jets with wind turbines: On the basic mechanisms for enhanced performance. J. Renewable Sustainable Energy 1 September 2020; 12 (5): 053301. https://doi.org/10.1063/5.0017230
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