Validation of Tip Corrections for Wind Turbine computations

Wen Zhong Shen; Robert Mikkelsen; Jens Nørkær Sørensen; C. Bak

Validation of Tip Corrections for Wind Turbine computations

Wen Zhong Shen, Robert Mikkelsen, Jens Nørkær Sørensen, C. Bak

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

Tip loss effect of rotors plays an important role in predictions of wind turbine performance. Classical tip corrections, based on the Prandtl tip reduction function, including Glauert´, Wilson & Lissaman´s and De Vries´ corrections are considered in the paper. In the proximity of the tip, these classical models fail to predict the physical behaviour.A new tip correction model is proposed.Comparisons between numerical and experimental data for flows past the NREL combined experiment rotor and the Swedish WG 500 rotor show that only the new model can predict correctly the force in the tip region.

Original language	English
Title of host publication	Proceedings CD-ROM. CD 2
Place of Publication	CD-ROM, www.ewea.org
Publisher	European Wind Energy Association (EWEA)
Publication date	2003
Publication status	Published - 2003
Event	2003 European Wind Energy Conference and Exhibition - Madrid, Spain Duration: 16 Jun 2003 → 19 Jun 2003

Workshop

Workshop	2003 European Wind Energy Conference and Exhibition
Country/Territory	Spain
City	Madrid
Period	16/06/2003 → 19/06/2003

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title = "Validation of Tip Corrections for Wind Turbine computations",

abstract = "Tip loss effect of rotors plays an important role in predictions of wind turbine performance. Classical tip corrections, based on the Prandtl tip reduction function, including Glauert´, Wilson & Lissaman´s and De Vries´ corrections are considered in the paper. In the proximity of the tip, these classical models fail to predict the physical behaviour.A new tip correction model is proposed.Comparisons between numerical and experimental data for flows past the NREL combined experiment rotor and the Swedish WG 500 rotor show that only the new model can predict correctly the force in the tip region.",

author = "Shen, {Wen Zhong} and Robert Mikkelsen and S{\o}rensen, {Jens N{\o}rk{\ae}r} and C. Bak",

year = "2003",

language = "English",

booktitle = "Proceedings CD-ROM. CD 2",

publisher = "European Wind Energy Association (EWEA)",

note = "2003 European Wind Energy Conference and Exhibition, EWEC 2003 ; Conference date: 16-06-2003 Through 19-06-2003",

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T1 - Validation of Tip Corrections for Wind Turbine computations

AU - Shen, Wen Zhong

AU - Mikkelsen, Robert

AU - Sørensen, Jens Nørkær

AU - Bak, C.

PY - 2003

Y1 - 2003

N2 - Tip loss effect of rotors plays an important role in predictions of wind turbine performance. Classical tip corrections, based on the Prandtl tip reduction function, including Glauert´, Wilson & Lissaman´s and De Vries´ corrections are considered in the paper. In the proximity of the tip, these classical models fail to predict the physical behaviour.A new tip correction model is proposed.Comparisons between numerical and experimental data for flows past the NREL combined experiment rotor and the Swedish WG 500 rotor show that only the new model can predict correctly the force in the tip region.

AB - Tip loss effect of rotors plays an important role in predictions of wind turbine performance. Classical tip corrections, based on the Prandtl tip reduction function, including Glauert´, Wilson & Lissaman´s and De Vries´ corrections are considered in the paper. In the proximity of the tip, these classical models fail to predict the physical behaviour.A new tip correction model is proposed.Comparisons between numerical and experimental data for flows past the NREL combined experiment rotor and the Swedish WG 500 rotor show that only the new model can predict correctly the force in the tip region.

M3 - Article in proceedings

BT - Proceedings CD-ROM. CD 2

PB - European Wind Energy Association (EWEA)

CY - CD-ROM, www.ewea.org

T2 - 2003 European Wind Energy Conference and Exhibition

Y2 - 16 June 2003 through 19 June 2003

ER -

Validation of Tip Corrections for Wind Turbine computations

Abstract

Workshop

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