Solution Found!
One kilogram of water at 300°C expands against a piston in
Chapter 6, Problem 50HP(choose chapter or problem)
Problem 50HP
One kilogram of water at 300°C expands against a piston in a cylinder until it reaches ambient pressure, 100 kPa, atwhich point thewater has a quality of 90.2%. It may be assumed that the expansion is reversible and adiabatic. What was the initial pressure in the cylinder, and how much work is done by the water?
Questions & Answers
QUESTION:
Problem 50HP
One kilogram of water at 300°C expands against a piston in a cylinder until it reaches ambient pressure, 100 kPa, atwhich point thewater has a quality of 90.2%. It may be assumed that the expansion is reversible and adiabatic. What was the initial pressure in the cylinder, and how much work is done by the water?
ANSWER:
Solution 50HP
Step 1 of 3:
We are going to find the initial pressure of water and the work done by the water. The process is assumed to be reversible and adiabatic.
The initial temperature T1 = 300°C
The mass m = 1 kg
The final pressure P2 = 100 kPa
The final quality x2 = 90.2 % = 0.902