Aerodynamic Performance of Small-Scale Horizontal Axis Wind Turbines Under Two Different Extreme Wind Conditions

Emre ALPMAN

doi:https://doi.org/10.18186/jte.94189

Article Details

Aerodynamic Performance of Small-Scale Horizontal Axis Wind Turbines Under Two Different Extreme Wind Conditions

Authors:

Emre ALPMAN

Publisher:

Yildiz Technical University

Journal:

Journal of Thermal Engineering 2015 Vol.1 Issue 3, pp.420-432

Document Type:

Article

Publication Date:

2/2015

Document Language:

English

Document ID (Org No.):

2000506693

Frequency:

Bimonthly

eISSN:

2148-7847

DOI:

https://doi.org/10.18186/jte.94189

Abstract:

 

Aerodynamic performance of two small-scale horizontal axis wind turbines are analyzed under the extreme operating gust and extreme direction change conditions with initial wind speeds of 7, 10, 13, 15 and 20 m/s. Performance predictions are performed using computational fluid dynamics, and time variations of shaft torque and hub bending moment produced by the turbines are presented and compared with each other. Sectional flow field and sectional blade loading details along with surface skin friction line predictions are also presented in order to explain the loading behavior of the turbine blades at the mentioned extreme wind conditions. Predictions show that variations in wind speed and blade loadings are similar at low wind speeds, however, this similarity degrades as the wind speed increases. Also compared to wind speed changes, aerodynamic forces are shown to adapt more slowly to wind direction changes.

Article Details

Aerodynamic Performance of Small-Scale Horizontal Axis Wind Turbines Under Two Different Extreme Wind Conditions

Authors: Emre ALPMAN

Publisher: Yildiz Technical University

Journal: Journal of Thermal Engineering 2015 Vol.1 Issue 3, pp.420-432

Document Type: Article

Publication Date: 2/2015

Document Language: English

Document ID (Org No.): 2000506693

Frequency: Bimonthly

eISSN: 2148-7847

DOI: https://doi.org/10.18186/jte.94189

Issues

Authors:

Emre ALPMAN

Publisher:

Yildiz Technical University

Journal:

Journal of Thermal Engineering 2015 Vol.1 Issue 3, pp.420-432

Document Type:

Article

Publication Date:

2/2015

Document Language:

English

Document ID (Org No.):

2000506693

Frequency:

Bimonthly

eISSN:

2148-7847

DOI:

https://doi.org/10.18186/jte.94189