The following particulars refer to a two-row velocity-compounded impulse wheel which forms the first stage of a combination turb Steam velocity at nozzle outlet 1630 mis Mean blade velocity 1125 mls Nozzle angle :16° Outlet angle, first row of moving blades 18 Outlet angle, fixed guide blades inr Outlet angle, second row of moving blades :36° Steam flow rate 126kgs ‘The ratio of the relative velocity at outlet o that at nlet is 0.84 for all the blade. Determine (@) The velocity of whirl. (b) The tangential thrust on the blades. () The axial thrust on the blades. (d) The power developed. The following particulars refer to a two-row velocity-compounded impulse wheel whichforms the first stage of a combination turbine:Steam velocity at nozzle outlet: 630 m/sMean blade velocity: 125 m/sNozzle angle: 16°Outlet angle, first row of moving blades: 18°Outlet angle, fixed guide blades: 22°Outlet angle, second row of moving blades: 36°Steam flow rate:2.6 kg/sThe ratio of the relative velocity at outlet to that at inlet is 0.84 for all the blade.Determine(a) The velocity of whirl.(b) The tangential thrust on the blades.(c) The axial thrust on the blades.(d) The power developed.

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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The following particulars refer to a two-row velocity-compounded impulse wheel which forms the first stage of a combination turb Steam velocity at nozzle outlet 1630 mis Mean blade velocity 1125 mls Nozzle angle :16° Outlet angle, first row of moving blades 18 Outlet angle, fixed guide blades inr Outlet angle, second row of moving blades :36° Steam flow rate 126kgs ‘The ratio of the relative velocity at outlet o that at nlet is 0.84 for all the blade. Determine (@) The velocity of whirl. (b) The tangential thrust on the blades. () The axial thrust on the blades. (d) The power developed.

The following particulars refer to a two-row velocity-compounded impulse wheel which
forms the first stage of a combination turbine:
Steam velocity at nozzle outlet
: 630 m/s
Mean blade velocity
: 125 m/s
Nozzle angle
: 16°
Outlet angle, first row of moving blades
: 18°
Outlet angle, fixed guide blades
: 22°
Outlet angle, second row of moving blades
: 36°
Steam flow rate
:2.6 kg/s
The ratio of the relative velocity at outlet to that at inlet is 0.84 for all the blade.
Determine
(a) The velocity of whirl.
(b) The tangential thrust on the blades.
(c) The axial thrust on the blades.
(d) The power developed.

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