Consider the power plant described in 4.121a. Determine

Chapter 4, Problem 149HP

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QUESTION:

Consider the power plant described in Problem 4.121.

a. Determine the temperature of the water leaving the intermediate pressure heater, T13, assuming no heat transfer to the surroundings.

b. Determine the pump work between states 13 and 16.

Questions & Answers

QUESTION:

Consider the power plant described in Problem 4.121.

a. Determine the temperature of the water leaving the intermediate pressure heater, T13, assuming no heat transfer to the surroundings.

b. Determine the pump work between states 13 and 16.

ANSWER:

Solution

Step 1 of 2

  1. We need to find out the temperature of the water leaving the intermediate pressure heater.

In case of the intermediate pressure pump.

The energy equation is given by,

From the table,

         and        

         and         

         and         

 and         

So,

        Implies,          


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