HW2S - the free surface, and it can be converted to work...

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MEEN 315-501 Fall 2010 Homework 02 Solution Problem 01 a.) 559.67 R, 37.78 C, 310.93 K b.) 516.67 R, 13.61 C, 286.76 K c.) 441.89 R, -27.66 C, 245.49 K d.) 186.52 R, -169.53 C, 103.62 K Problem 02 Problem 03
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Problem 05 Problem 06 Problem 07
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Problem 08 2-13 A hydraulic turbine-generator is to generate electricity from the water of a large reservoir. The power generation potential is to be determined. Assumptions 1 The elevation of the reservoir remains constant. 2 The mechanical energy of water at the turbine exit is negligible. Analysis The total mechanical energy water in a reservoir possesses is equivalent to the potential energy of water at
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Unformatted text preview: the free surface, and it can be converted to work entirely. Therefore, the power potential of water is its potential energy, which is gz per unit mass, and gz m for a given mass flow rate. kJ/kg 177 . 1 /s m 1000 kJ/kg 1 m) 120 )( m/s (9.81 2 2 2 mech gz pe e Then the power generation potential becomes kW 1766 kJ/s 1 kW 1 kJ/kg) 77 kg/s)(1.1 1500 ( mech mech max e m E W Therefore, the reservoir has the potential to generate 1766 kW of power. 120 m Turbine Generato...
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This note was uploaded on 01/03/2011 for the course MEEN 315 taught by Professor Ramussen during the Fall '07 term at Texas A&M.

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HW2S - the free surface, and it can be converted to work...

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