At a certain pair in a reaction turbine, the steam eaves the fixed blade at a pressure of 3 bar with a dryness fraction of 0.98 and a velocity of 130 m/sec. The ratio of axial velocity of 130 m/sec. The blades are 20mm high and discharge angle For both the rings is 20°. The ratio of axial velocit of flow to the blade velocity is 0.7 at inlet and 0.76 at exit from the moving blade. If the turbine uses 4 kg of steam per second with 5% tip eakage. Find the mean blade diameter and the power developed in the ring.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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At a certain pair in a reaction turbine, the steam
leaves the fixed blade at a pressure of 3 bar with
a dryness fraction of 0.98 and a velocity of 130
m/sec. The ratio of axial velocity of 130 m/sec.
The blades are 20mm high and discharge angle
for both the rings is 20°. The ratio of axial velocity
of flow to the blade velocity is 0.7 at inlet and
0.76 at exit from the moving blade. If the turbine
uses 4 kg of steam per second with 5% tip
leakage. Find the mean blade diameter and the
power developed in the ring.
Transcribed Image Text:At a certain pair in a reaction turbine, the steam leaves the fixed blade at a pressure of 3 bar with a dryness fraction of 0.98 and a velocity of 130 m/sec. The ratio of axial velocity of 130 m/sec. The blades are 20mm high and discharge angle for both the rings is 20°. The ratio of axial velocity of flow to the blade velocity is 0.7 at inlet and 0.76 at exit from the moving blade. If the turbine uses 4 kg of steam per second with 5% tip leakage. Find the mean blade diameter and the power developed in the ring.
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