1 2 Vrel c CL (2.1) 2 1 2 D = Vrel c CD (2.2) 2 where is the air density and c is the chord length of the aerofoil. CL and CD are called the lift and drag coefficients. In addition to the reaction force F, the flow around the aerofoil also causes a moment M.
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220.127.116.11 Active stall control The pitch mechanism in a wind turbine enables the rotation of a blade to a different pitch angle and consequently different α. Figure 2.18 describes the setting of the blade pitch angle θcontrol for an arbitrary cross section of the blade.
Full text of "ERIC ED254425: Status on U.S. Marine Research.Hearing before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, NinetyEighth Congress, Second Session on U.S. Marine Scientific Research Capabilities Oversight (September 26,