Transactions of Nanjing University of Aeronautics & Astronautics
Numerical Analysis of Influence of Gurney Flaps Applied to Wind Turbines
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Abstract:
The effect of Gurney flaps with different heights on the S809 airfoil and NH1500 blade is numerically simulated. The influence of the Gurney flap is analyzed at different wind speeds and the comparison of the aerodynamic performance is given between the blades with and without the Gurney flap. The results demonstrate that a Gurney flap added on the blade can greatly increase the efficiency of the wind turbine especially at high wind speeds.
Keywords:
Project Supported:
the National Natural Science Foundation of China(11172135); the National Basic Research Program of China (″973″ Program) (2014CB046200); the Fundamental Research Funds for the Central Universities (NS2012036, NJ20130008).
Clc Number:
CHINA AERO-SCIENCES
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