Problem 57P

Applying the Energy Balance

A piston-cylinder assembly contains water, initially saturated liquid at 150°C. The water is heated at constant temperature to saturated vapor.

(a) If the rate of heat transfer to the water is 2.28 kW, determine the rate at which work is done by the water on the piston, in kW.

(b) If in addition to the heat transfer rate given in part (a) the total mass of water is 0.1 kg, determine the time, in s, required to execute the process.

Solution 57P

Step 1 of 3:

In this question, we need to find heat transferred to water and determine the rate at which work is done by water on the piston in

In part b, we need to find the heat transferred in time in required to execute the process

Data given

Temperature

Rate of heat transfer

Mass of water

Part a: