to a set of blades moving at 180 m/s.the blade angle at outlet is 25 degree and blade velocity coefficient is 0.72. determine: 1. Power of the wheel in kilowatt. 2. Blade efficiency in Percentile (%) 3. The energy lost in the blades in kJ/kg.

to a set of blades moving at 180 m/s.the blade angle at outlet is 25 degree and blade velocity coefficient is 0.72. determine: 1. Power of the wheel in kilowatt. 2. Blade efficiency in Percentile (%) 3. The energy lost in the blades in kJ/kg.

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter14: Ocean Thermal Energy Conversion And Ocean Salinity Gradient Energy

Section: Chapter Questions

Problem 5P

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Concept explainers

Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.

Question

for an impulse turbine of de laval type, the nozzle having an angle of 16 degree ,deliver 1 kg of steam per second at a speed of 720 m/s to a set of blades moving at 180 m/s.the blade angle at outlet is 25 degree and blade velocity coefficient is 0.72. determine:

1. Power of the wheel in kilowatt.

2. Blade efficiency in Percentile (%)

3. The energy lost in the blades in kJ/kg.

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