Importance

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Abstract

A wind turbine assembly comprising a generally cylindrical wind turbine rotor that is supported by a rotor support and operable to rotate about a rotational axis, the rotor comprising a plurality of aerofoil blades with each aerofoil blade having a leading edge, a trailing edge, a suction surface, a pressure surface, and an aerofoil chord having a chord length between the leading edge and the trailing edge, the aerofoil blades being in a generally cylindrical arrangement around the rotational axis with the leading edges at a larger radial separation from the rotational axis than the trailing edges, and the chords being angled relative to radii through the rotational axis such that the suction surfaces and pressure surfaces respectively face generally outwardly and inwardly from and to the rotational axis, wherein the minimum separation (S) between the leading edge of a first aerofoil and the suction surface of an adjacent aerofoil is less than the chord length (L_C), and wherein the location of the maximum thickness of each aerofoil blade (L_Tmax) along the chord (L_C)) is less than 20% of the chord length (L) from the leading edge.

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First Claim