A piston-cylinder device, with a set of stops on the top, initially contains 3 kg of water at 200 kPa and x=0.7. Heat is now transferred to the water and the piston rises until it hits the stops, at which point the cylinder contains saturated vapor water. Additional heat is transferred until the pressure inside cylinder also doubled.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A piston-cylinder device, with a set of stops on the top, initially contains 3 kg of water
at 200 kPa and x=0.7. Heat is now transferred to the water and the piston rises until it
hits the stops, at which point the cylinder contains saturated vapor water. Additional
heat is transferred until the pressure inside cylinder also doubled.
Required: Perform step by step energy analysis and determine:
a) The initial volume and the initial temperature
b) The final volume and the final temperature
c) The boundary work
d) The total heat transfer
e) Draw pressure-specific volume graph and label all data with respect to the dome.
Piston
water
Figure 1
Transcribed Image Text:A piston-cylinder device, with a set of stops on the top, initially contains 3 kg of water at 200 kPa and x=0.7. Heat is now transferred to the water and the piston rises until it hits the stops, at which point the cylinder contains saturated vapor water. Additional heat is transferred until the pressure inside cylinder also doubled. Required: Perform step by step energy analysis and determine: a) The initial volume and the initial temperature b) The final volume and the final temperature c) The boundary work d) The total heat transfer e) Draw pressure-specific volume graph and label all data with respect to the dome. Piston water Figure 1
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