Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 08 Jan 2018 My Price 5.00

velocity at the inlet

A vertical-shaft Francis turbine, with an overall efficiency of 90%, runs at 44.86 rad ·s−1 (7.14 rev/s) with a water discharge of 15.5 m3 ·s−1. The velocity at the inlet of the spiral casing is 8.5 m ·s−1 and the pressure head at this point is 240 m, the centre-line of the casing inlet being 3 m above the tail-water level. The diameter of the runner at inlet is 2.23 m and the width at inlet is 300 mm. The hydraulic efficiency is 93%. Determine (a) the output power, (b) the power specific speed, (c) the guide vane angle, (d) the runner blade angle at inlet, (e) the percentage of the net head which is kinetic at entry to the runner. Assume that there is no whirl at outlet from the runner and neglect the thickness of the blades

 

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Maurice Tutor
(5)
Status NEW Posted 08 Jan 2018 10:01 PM My Price 5.00

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