What is the more common term for an energy-producing turbomachine? How about an energy-absorbing turbomachine? Explain this terminology, in particular, from which frame of reference are these terms defined-that of the fluid or that of the surroundings?

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Answer 1

Textbook Question

Chapter 14, Problem 1CP

What is the more common term for an energy-producing turbomachine? How about an energy-absorbing turbomachine? Explain this terminology, in particular, from which frame of reference are these terms defined-that of the fluid or that of the surroundings?

Expert Solution & Answer

To determine

The common terms for energy producing turbo machine and the energy absorbing turbo machine.

The frame of reference from which these terms are defined.

Explanation of Solution

The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical component that extracts kinetic energy from the moving fluid and converts it into the useful mechanical work or energy.

In Frame of reference of fluid, the fluid loses energy to drive the turbine for energy producing devices or turbo machines.

The most common term used for the energy absorbing turbo machines is Pump. Pump is also a mechanical component that absorbs energy from the rotating shaft and uses it to increase the energy of the moving fluid.

In frame of reference of fluid, the fluid gains energy for the energy absorbing devices.

Therefore, the pump absorbs energy from the surroundings and the turbine produces energy from the frame of reference of the surroundings.

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The following particulars apply to a two-row velocity compounded impulse stage of a turbine: nozzle angle 17°; blade speed 125 m/s; exit angles of the first row moving blades, the fixed blades, and the second row moving blades, 22, 26, and 30° respectively. Take the blade velocity coefficient for each row of blades as 0.9, and assume that the absolute velocity of the steam leaving the stage is in the axial direction. Draw the velocity diagram for the stage and obtain: (i) the absolute velocity of the stearn leaving the stage; (i) the diagram efficiency. (72.2 m/s; 80%)

[4] A generator is driven by a small, single-jet Pelton turbine designed to have a power specific speed ΩSP = 0.20. The effective head at nozzle inlet is 120 m and the nozzle velocity coefficient is 0.98. The runner rotates at 880 rev/min, the turbine overall efficiency is 88% and the mechanical efficiency is 96%. If the blade speed to jet speed ratio, θ = 0.47, determine (i) the shaft power output of the turbine; (ii) the volume flow rate; (iii) the ratio of the wheel diameter to jet diameter.

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Answer 2

Textbook Question

Chapter 14, Problem 1CP

What is the more common term for an energy-producing turbomachine? How about an energy-absorbing turbomachine? Explain this terminology, in particular, from which frame of reference are these terms defined-that of the fluid or that of the surroundings?

Expert Solution & Answer

To determine

The common terms for energy producing turbo machine and the energy absorbing turbo machine.

The frame of reference from which these terms are defined.

Explanation of Solution

The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical component that extracts kinetic energy from the moving fluid and converts it into the useful mechanical work or energy.

In Frame of reference of fluid, the fluid loses energy to drive the turbine for energy producing devices or turbo machines.

The most common term used for the energy absorbing turbo machines is Pump. Pump is also a mechanical component that absorbs energy from the rotating shaft and uses it to increase the energy of the moving fluid.

In frame of reference of fluid, the fluid gains energy for the energy absorbing devices.

Therefore, the pump absorbs energy from the surroundings and the turbine produces energy from the frame of reference of the surroundings.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Textbook Question

Chapter 14, Problem 1CP

What is the more common term for an energy-producing turbomachine? How about an energy-absorbing turbomachine? Explain this terminology, in particular, from which frame of reference are these terms defined-that of the fluid or that of the surroundings?

Expert Solution & Answer

To determine

The common terms for energy producing turbo machine and the energy absorbing turbo machine.

The frame of reference from which these terms are defined.

Explanation of Solution

The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical component that extracts kinetic energy from the moving fluid and converts it into the useful mechanical work or energy.

In Frame of reference of fluid, the fluid loses energy to drive the turbine for energy producing devices or turbo machines.

The most common term used for the energy absorbing turbo machines is Pump. Pump is also a mechanical component that absorbs energy from the rotating shaft and uses it to increase the energy of the moving fluid.

In frame of reference of fluid, the fluid gains energy for the energy absorbing devices.

Therefore, the pump absorbs energy from the surroundings and the turbine produces energy from the frame of reference of the surroundings.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 14, Problem 1CP

What is the more common term for an energy-producing turbomachine? How about an energy-absorbing turbomachine? Explain this terminology, in particular, from which frame of reference are these terms defined-that of the fluid or that of the surroundings?

Expert Solution & Answer

To determine

The common terms for energy producing turbo machine and the energy absorbing turbo machine.

The frame of reference from which these terms are defined.

Explanation of Solution

The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical component that extracts kinetic energy from the moving fluid and converts it into the useful mechanical work or energy.

In Frame of reference of fluid, the fluid loses energy to drive the turbine for energy producing devices or turbo machines.

The most common term used for the energy absorbing turbo machines is Pump. Pump is also a mechanical component that absorbs energy from the rotating shaft and uses it to increase the energy of the moving fluid.

In frame of reference of fluid, the fluid gains energy for the energy absorbing devices.

Therefore, the pump absorbs energy from the surroundings and the turbine produces energy from the frame of reference of the surroundings.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

The common terms for energy producing turbo machine and the energy absorbing turbo machine.

The frame of reference from which these terms are defined.

Explanation of Solution

The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical component that extracts kinetic energy from the moving fluid and converts it into the useful mechanical work or energy.

In Frame of reference of fluid, the fluid loses energy to drive the turbine for energy producing devices or turbo machines.

The most common term used for the energy absorbing turbo machines is Pump. Pump is also a mechanical component that absorbs energy from the rotating shaft and uses it to increase the energy of the moving fluid.

In frame of reference of fluid, the fluid gains energy for the energy absorbing devices.

Therefore, the pump absorbs energy from the surroundings and the turbine produces energy from the frame of reference of the surroundings.

Answer 8

Expert Solution & Answer

To determine

The common terms for energy producing turbo machine and the energy absorbing turbo machine.

The frame of reference from which these terms are defined.

Explanation of Solution

The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical component that extracts kinetic energy from the moving fluid and converts it into the useful mechanical work or energy.

In Frame of reference of fluid, the fluid loses energy to drive the turbine for energy producing devices or turbo machines.

The most common term used for the energy absorbing turbo machines is Pump. Pump is also a mechanical component that absorbs energy from the rotating shaft and uses it to increase the energy of the moving fluid.

In frame of reference of fluid, the fluid gains energy for the energy absorbing devices.

Therefore, the pump absorbs energy from the surroundings and the turbine produces energy from the frame of reference of the surroundings.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

The common terms for energy producing turbo machine and the energy absorbing turbo machine.

The frame of reference from which these terms are defined.

Answer 12

Explanation of Solution

The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical component that extracts kinetic energy from the moving fluid and converts it into the useful mechanical work or energy.

In Frame of reference of fluid, the fluid loses energy to drive the turbine for energy producing devices or turbo machines.

The most common term used for the energy absorbing turbo machines is Pump. Pump is also a mechanical component that absorbs energy from the rotating shaft and uses it to increase the energy of the moving fluid.

In frame of reference of fluid, the fluid gains energy for the energy absorbing devices.

Therefore, the pump absorbs energy from the surroundings and the turbine produces energy from the frame of reference of the surroundings.

Answer 13

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What is the more common term for an energy-producing turbomachine? How about an energy-absorbing turbomachine? Explain this terminology, in particular, from which frame of reference are these terms defined-that of the fluid or that of the surroundings?

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