Pumps, Pipe and Channel FlowsA small water pump is used in

Chapter 4, Problem 80HP

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QUESTION:

Problem 80HP

Pumps, Pipe and Channel Flows

A small water pump is used in an irrigation system. The pump takes water in from a river at 10°C, 100 kPa at a rate of 5 kg/s. The exit line enters a pipe that goes up to an elevation 20 m above the pump and river, where the water runs into an open channel. Assume that the process is adiabatic and that the water stays at 10°C. Find the required pump work.

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QUESTION:

Problem 80HP

Pumps, Pipe and Channel Flows

A small water pump is used in an irrigation system. The pump takes water in from a river at 10°C, 100 kPa at a rate of 5 kg/s. The exit line enters a pipe that goes up to an elevation 20 m above the pump and river, where the water runs into an open channel. Assume that the process is adiabatic and that the water stays at 10°C. Find the required pump work.

ANSWER:

Solution

Step 1 of 3

In this problem, we have to find the required work done by the pump. The water pump has both inlet and exit flow.

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