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  1. آنالیز تاثیر شکل آیرودینامیکی پره بر عملکرد توربین بادی
آنالیز تاثیر شکل آیرودینامیکی پره بر عملکرد توربین بادی
1890 viewed

آنالیز تاثیر شکل آیرودینامیکی پره بر عملکرد توربین بادی

سبزه پرور، امیر علی Sabzehparvar, Amir Ali

Analysis of Blades Surface Effect on Wind Turbine Performance

Sabzehparvar, Amir Ali | 2015

1890 Viewed
  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 47838 (58)
  4. University: Sharif University of Technology, International Campus, Kish Island
  5. Department: Mechanical Engineering-Energy Conversion
  6. Advisor(s): Sadr Hosseini, Hani; Sabzehparvar, Mahdi
  7. Abstract:
  8. The development of wind turbine blades model that accurately predict wind turbine thrust in a full range of applicable wind speed has provided a powerful and reliable source for simulation of horizontal axis wind turbine power and thrust force that serves as a valuable tool for wind turbine design and performance analysis. A single-element blade model that reduces the rotor blade characteristics to a lift and drag coefficient vs. angle-of-attack formulation was found to describe accurately the rotor characteristics over a wide operating range. Measurements of wind speed and altitude of wind turbine installation location, rotor speed, and provided thrust is within less than 2% over a wide range of advance ratios. With an accurate model of online thrust measurement, one could add a new page on wind turbine to display the amount of available thrust for the operator or engineers or autopilot system, which would have a great impact on both the capability of verifying wind turbine performance and more accurate data for design optimization procedures. Lock’s method was conducted to model a three bladed wind turbine using NACA4412 airfoil. Computed thrust at various wind speed range was compared with the results of a simulation model using computational model to predict aerodynamic model and thrust calculations in a diverse range of wind speeds. Two different blade platforms was introduced by means of keeping blade area constant and blade radius was changed within ±10% of its original values which produced 26% increase in thrust production and 21% decrease in output thrust value, respectively
  9. Keywords:
  10. Wind Turbine ; Modeling ; Horizontal Axis Wind Turbine (HAWT) ; Blade Surface ; Lock Method

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