Example 5: Water initially at 200 kPa and 300°C is contained in a piston- cylinder device fitted with stops. The water is allowed to cool at constant pressure until it exists as a saturated vapor and the piston rests on the stops. Then the water continues to cool until the pressure is 100 kPa. On the T-v diagrams sketch, with respect to the saturation lines, the process Curves passing through both the initial, intermediate, and final states of the water. Label the T, P and v values for end states on the process curves. Find the overall change in internal energy between the initial and final states per unit mass of water.
Example 5: Water initially at 200 kPa and 300°C is contained in a piston- cylinder device fitted with stops. The water is allowed to cool at constant pressure until it exists as a saturated vapor and the piston rests on the stops. Then the water continues to cool until the pressure is 100 kPa. On the T-v diagrams sketch, with respect to the saturation lines, the process Curves passing through both the initial, intermediate, and final states of the water. Label the T, P and v values for end states on the process curves. Find the overall change in internal energy between the initial and final states per unit mass of water.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:STEAM APPLICATION IN CLOSED SYSTEM
Example 5: Water initially at 200 kPa and 300°C is contained in a piston-
cylinder device fitted with stops. The water is allowed to cool at constant
pressure until it exists as a saturated vapor and the piston rests on the
stops. Then the water continues to cool until the pressure is 100 kPa. On
the T-v diagrams sketch, with respect to the saturation lines, the process
Curves passing through both the initial, intermediate, and final states of
the water. Label the T, P and v values for end states on the process curves.
Find the overall change in internal energy between the initial and final
states per unit mass of water.
Water
200 kPa
300°C
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