... coefficient torque coefficient natural wind energy fluid flow wind turbine Ministry of New and Renewable Energy India 10.13039/501100001406 The main sources of uncertainties for measuring the wind velocity are improper mounting of the anemometer, operational characteristics...

... C T = torque coefficient D e = end plate diameter (m) D f = drag force (N) D o = overall rotor diameter (m) L f = lift force (N) Re = Reynolds number α = angle of attack (°) ε = energy dissipation rate (m 2 /s 3 ) θ = cutting...

... is usually estimated by the two performance parameters such as torque coefficient ( C T ) and power coefficient ( C P ) [ 15 – 19 ] and can be expressed as (1) C T = T turbine T avaialble = T turbine 1 2 ρ A V 2 R = F × r p 1...