The steam expands isentropically in a simple impulse turbine from 12 bar, 250°C with an enthalpy of 2035 k.J/kg to an enthalpy of 2584 ki/kg 2t 0.1 bar. The nozzle makes 20° with blade motion and the blades are symmetrical. Calculate the blade velocity that produces maximum efficiency for turbine speed of 3600 rom. Assume that the steam enters the nozzle with negiigible velocty. The steam expands isentropically in a simple impulse turbine from 12 bar, 250°C with an enthalpy of 2935 k.J/kg to an enthalpy of 2584 kJ/kg at 0.1 bar. Thenozzle makes 20° with blade motion and the blades are symmetrical. Calculate the blade velocity that produces maximum efficiency for a turbine speed of 3600rpm. Assume that the steam enters the nozzle with negligible velocity.

In a nozzle, the cross sectional area at the inlet is large and the cross sectional area at the exit…

Answered: The steam expands isentropically in a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The steam expands isentropically in a simple impulse turbine from 12 bar, 250°C with an enthalpy of 2035 k.J/kg to an enthalpy of 2584 ki/kg 2t 0.1 bar. The nozzle makes 20° with blade motion and the blades are symmetrical. Calculate the blade velocity that produces maximum efficiency for turbine speed of 3600 rom. Assume that the steam enters the nozzle with negiigible velocty.

The steam expands isentropically in a simple impulse turbine from 12 bar, 250°C with an enthalpy of 2935 k.J/kg to an enthalpy of 2584 kJ/kg at 0.1 bar. The
nozzle makes 20° with blade motion and the blades are symmetrical. Calculate the blade velocity that produces maximum efficiency for a turbine speed of 3600
rpm. Assume that the steam enters the nozzle with negligible velocity.

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