An insulated mixing chamber receives 2 kg/skg/s R-134a at 1 MPa, 100 ∘C in a line (state-3). Another line brings 1 kg/s of R-134a as saturated liquid at 70 ∘C (state-1), which is throttled to a pressure of 1 MPa (state-2) before it enters the mixing chamber. At the exit (state-4), the pressure is 1 MPa. a)Determine the entropy generated by the mixing chamber, (S˙gen,mixing). b)Determine the entropy generated in the system’s universe (S˙gen,univ).
An insulated mixing chamber receives 2 kg/skg/s R-134a at 1 MPa, 100 ∘C in a line (state-3). Another line brings 1 kg/s of R-134a as saturated liquid at 70 ∘C (state-1), which is throttled to a pressure of 1 MPa (state-2) before it enters the mixing chamber. At the exit (state-4), the pressure is 1 MPa. a)Determine the entropy generated by the mixing chamber, (S˙gen,mixing). b)Determine the entropy generated in the system’s universe (S˙gen,univ).
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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An insulated mixing chamber receives 2 kg/skg/s R-134a at 1 MPa, 100 ∘C in a line (state-3). Another line brings 1 kg/s of R-134a as saturated liquid at 70 ∘C (state-1), which is throttled to a pressure of 1 MPa (state-2) before it enters the mixing chamber. At the exit (state-4), the pressure is 1 MPa. a)Determine the entropy generated by the mixing chamber, (S˙gen,mixing). b)Determine the entropy generated in the system’s universe (S˙gen,univ).
Transcribed Image Text:An insulated mixing chamber receives 2 kg/s R-134a at 1 MPa, 100 °C
in a line (state-3). Another line brings 1 kg/s of R-134a as saturated liquid
at 70°C (state-1), which is throttled to a pressure of 1 MPa (state-2)
before it enters the mixing chamber. At the exit (state-4), the pressure is
1 MPa. (Figure 1)
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