Question: (b) how is power input to the turbine defined and how is power output defined? Show that turbine efficiency is given by ?=1/2 ?and show

(b) how is power input to the turbine defined and how is power output defined? Show that turbine efficiency is given by

?=1/2{1- (us/u) - (2/0) + (/2){1- (24/01) ? (14/U1)+ (14/U1)?and show that maximum possible efficiency for a wind

turbine is ?max =16/27 (the Betz limit) occurring when u4/u1 = 1/3

{1- (us/u) - (2/0) + (/2)

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