Problem 2 A piston-cylinder device contains steam initially at 1 MPa, 450°C, and 3 m³. Steam is allowed to cool at constant pressure until it first starts condensing. Show the process on a 7-v diagram with respect to saturation lines and determine (a) the mass of the steam, (b) the final temperature, and (c) the amount of heat transfer. P₁ = 1 MPa T₁ = 450°C P=const sat vap. Cool √₁ = 3 m³ Steam 1 MPa 450°C 3 m³
Problem 2 A piston-cylinder device contains steam initially at 1 MPa, 450°C, and 3 m³. Steam is allowed to cool at constant pressure until it first starts condensing. Show the process on a 7-v diagram with respect to saturation lines and determine (a) the mass of the steam, (b) the final temperature, and (c) the amount of heat transfer. P₁ = 1 MPa T₁ = 450°C P=const sat vap. Cool √₁ = 3 m³ Steam 1 MPa 450°C 3 m³
Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter17: Energy Conservation
Section: Chapter Questions
Problem 14P
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
Transcribed Image Text:Problem 2
A piston-cylinder device contains steam initially at 1 MPa, 450°C, and 3 m³. Steam is allowed to
cool at constant pressure until it first starts condensing. Show the process on a 7-v diagram with
respect to saturation lines and determine
(a) the mass of the steam,
(b) the final temperature, and
(c) the amount of heat transfer.
P₁ = 1 MPa
T₁ = 450°C
P=const
sat vap.
Cool
√₁ = 3 m³
Steam
1 MPa
450°C
3 m³
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