H.W Example 3 Steam enters an adiabatic turbine at 450°C and 20 MPa with the mass flow rate of 0.5 kg/s and leaves at 10 kPa and 85% quality. Assume changes in kinetic and potential are negligible, determine the work produces by the turbine. Steam P₁ = 20 MPa 450 T₁ = 350°C m= 0.5 kg/s Turbine 9=0 P₂ = 10 kPa X2= 0.85 Control Volume: Turbine Assumptions: SSSF Process 9cv = 0, AKE =0,APE = 0, CV Solution: apply 1st law SSSF Proc. q+h+V+zg=w+ h; + ½ V² +zeg i h₁ =w+h₂ → w = h₁- h₂ and steam table 2 state 2 → mixture, h = h₂+x₂hfg
H.W Example 3 Steam enters an adiabatic turbine at 450°C and 20 MPa with the mass flow rate of 0.5 kg/s and leaves at 10 kPa and 85% quality. Assume changes in kinetic and potential are negligible, determine the work produces by the turbine. Steam P₁ = 20 MPa 450 T₁ = 350°C m= 0.5 kg/s Turbine 9=0 P₂ = 10 kPa X2= 0.85 Control Volume: Turbine Assumptions: SSSF Process 9cv = 0, AKE =0,APE = 0, CV Solution: apply 1st law SSSF Proc. q+h+V+zg=w+ h; + ½ V² +zeg i h₁ =w+h₂ → w = h₁- h₂ and steam table 2 state 2 → mixture, h = h₂+x₂hfg
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
Related questions
Question
![H.W
Example 3 Steam enters an adiabatic turbine at 450°C
and 20 MPa with the mass flow rate of 0.5 kg/s and
leaves at 10 kPa and 85% quality. Assume changes
in kinetic and potential are negligible, determine the
work produces by the turbine.
Steam
P₁ = 20 MPa
450
T₁ = 350°C
m= 0.5 kg/s
Turbine
9=0
P₂ = 10 kPa
X2= 0.85
Control Volume: Turbine
Assumptions:
SSSF Process
9cv = 0, AKE =0,APE = 0,
CV
Solution:
apply 1st law SSSF Proc.
q+h+V+zg=w+ h; + ½ V²
+zeg
i
h₁ =w+h₂ → w = h₁- h₂
and steam table
2
state 2 → mixture, h = h₂+x₂hfg](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2561bc9-dcb8-40c7-955b-843f8fd2ef83%2F38e4e629-0f9f-4a32-9abe-e0eb91014959%2F1j3rvk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:H.W
Example 3 Steam enters an adiabatic turbine at 450°C
and 20 MPa with the mass flow rate of 0.5 kg/s and
leaves at 10 kPa and 85% quality. Assume changes
in kinetic and potential are negligible, determine the
work produces by the turbine.
Steam
P₁ = 20 MPa
450
T₁ = 350°C
m= 0.5 kg/s
Turbine
9=0
P₂ = 10 kPa
X2= 0.85
Control Volume: Turbine
Assumptions:
SSSF Process
9cv = 0, AKE =0,APE = 0,
CV
Solution:
apply 1st law SSSF Proc.
q+h+V+zg=w+ h; + ½ V²
+zeg
i
h₁ =w+h₂ → w = h₁- h₂
and steam table
2
state 2 → mixture, h = h₂+x₂hfg
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