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The figure below shows a turbine-driven pump that provides water to a mixing chamber located dz = 25 m higher than the pump, where m = 20 kg/s. Steady-state operating data for the turbine and pump are labeled on the figure. Heat transfer from the water to its surroundings occurs at a rate of 2 kW. For the turbine, heat transfer with the surroundings and potential energy effects are negligible. Kinetic energy effects at all numbered states can be ignored.

The figure below shows a turbine-driven pump that provides water to a mixing chamber located dz = 25 m higher than the pump, where m = 20 kg/s. Steady-state operating data for the turbine and pump are labeled on the figure. Heat transfer from the water to its surroundings occurs at a rate of 2 kW. For the turbine, heat transfer with the surroundings and potential energy effects are negligible. Kinetic energy effects at all numbered states can be ignored.

Elements Of Electromagnetics
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 figure below shows a turbine-driven pump that provides water to a mixing chamber located dz = 25 m higher than the pump, where in = 20 kg/s. Steady-state operating data for the turbine and pump are labeled on the figure. Heat transfer from the water to its surroundings occurs at a rate of 2 kW. For the turbine, heat transfer with the surroundings and potential energy effects are negligible. Kinetic energy effects at all numbered states can be ignored. h = 417.69 kJ/kg Mixing chamber Ocy = 2 kW Steam P3 = 30 bar T3 = 400°C dz Wev Turbine Pump P4 = 5 bar 4 T = 180°C Saturated liquid water m, PL = 1 bar Determine: (a) the magnitude of the pump power, in kW. (b) the mass flow rate of steam, in kg/s, that flows through the turbine.
Transcribed Image Text:The figure below shows a turbine-driven pump that provides water to a mixing chamber located dz = 25 m higher than the pump, where in = 20 kg/s. Steady-state operating data for the turbine and pump are labeled on the figure. Heat transfer from the water to its surroundings occurs at a rate of 2 kW. For the turbine, heat transfer with the surroundings and potential energy effects are negligible. Kinetic energy effects at all numbered states can be ignored. h = 417.69 kJ/kg Mixing chamber Ocy = 2 kW Steam P3 = 30 bar T3 = 400°C dz Wev Turbine Pump P4 = 5 bar 4 T = 180°C Saturated liquid water m, PL = 1 bar Determine: (a) the magnitude of the pump power, in kW. (b) the mass flow rate of steam, in kg/s, that flows through the turbine.
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