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Force 11 12 1314 15 16 17 18 19 20 21 22 Use the velocity diagram compressor to find the tangential component of the flow velocity of the fluid Vu2 (in m/s), if V2 -222 m/s and a2 -59e to the axial direction. 114 O 190 Close Window k Air

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Answer : 114 m/s (A) option Axial Flow Compressors Inlet guide vane V1 Vrl Vi Inlet velocity Val αι Vul Rotor blade va Outlet velocity triangle Vr2 0.2 Diffuser blade Vu2 Velocity triangles for an axial flow compressor

From the velocity triangle

we get that : CosTheta = Vu2 / V2

Cos 59o = Vu2 /222m/s

Vu2 = Cos 59o x 222m/s = 0.515 x 222 m/s = 114 m/s

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