Q2/ In an axial flow compresse

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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12:07
ll ?
A alfarahidiuc.com
Answer all of the question
Q2/ In an axial flow compressor, air
enters at a stagnation temperature of
290 K and 1 bar. The axial velocity of
air is 180 m/s (constant throughout the
stage), the absolute velocity at the
inlet is 185 m/s, the work done factor
is 0.86 , and the degree of reaction is
50%. If the stage efficiency is 0.86,
calculate the air angles at the rotor
inlet and outlet and the stagnation
temperature rise of the stage and
stage pressure ratio. Assume a rotor
speed of 200 m/s. hint : Cp = 1005
J/kg.k and X = 1.4 a) a1=B2=13.350 ,
a2=B1=41.150 , ATos = 19.62 K , nstage
= 1.22 b) a1=B2=15.250 , a2=B1=38.260
ATos = 16.24K , nstage = 1.45 c)
a1=B2=16.780 , a2=B1=47.780 , ATos =
13.64 K, Tnstage = 1.35 d)
a1=B2=18.350 , a2=B1=35.160 , ATos =
19.62 K , nstage = 1.89 e) None of
%3D
%3D
%3D
above
O a
Ob
Oc
Od
Oe
ارسال الاجابة
خروج
عد د الاسئلة :7
01:22:24
Transcribed Image Text:12:07 ll ? A alfarahidiuc.com Answer all of the question Q2/ In an axial flow compressor, air enters at a stagnation temperature of 290 K and 1 bar. The axial velocity of air is 180 m/s (constant throughout the stage), the absolute velocity at the inlet is 185 m/s, the work done factor is 0.86 , and the degree of reaction is 50%. If the stage efficiency is 0.86, calculate the air angles at the rotor inlet and outlet and the stagnation temperature rise of the stage and stage pressure ratio. Assume a rotor speed of 200 m/s. hint : Cp = 1005 J/kg.k and X = 1.4 a) a1=B2=13.350 , a2=B1=41.150 , ATos = 19.62 K , nstage = 1.22 b) a1=B2=15.250 , a2=B1=38.260 ATos = 16.24K , nstage = 1.45 c) a1=B2=16.780 , a2=B1=47.780 , ATos = 13.64 K, Tnstage = 1.35 d) a1=B2=18.350 , a2=B1=35.160 , ATos = 19.62 K , nstage = 1.89 e) None of %3D %3D %3D above O a Ob Oc Od Oe ارسال الاجابة خروج عد د الاسئلة :7 01:22:24
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