1) velocity triangle, temperature and pressure of compressor stage 2

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1) velocity triangle, temperature and pressure of compressor stage 2
Axial compressor stage calculation
Calculate:
1) velocity triangle, temperature and pressure of compressor stage
2) Rotor and stator cascde geometry
3) Stage work, efficiency
Assumption
axial velocity is constant
stage is normal
Miguel BORAU
RUMBAO
Kabier PEREZ
FERERO
Rafael TOLEDO
CASTELLANO
Alberto ALONSO
MARTINEZ
Cristian PADRON
SANTANA
Francisco
MONCHO
pressure in section 1
temperature in section 1
rotor relative pressure losses
stator pressure losses
rotor and stator incidence
cx1 [m/s]
U [m/s]
c1 [m/s]
cy2 [m/s]
p1 [Pa]
T1 [K]
σR=p02rel/p01rel
σS=p03/p02
i
Mercedes
GONZALEZ
RODRIGEZ
given:
axial velocity in section 1
blade speed
flow speed in section 1
Antonio CRIADO
Plot
1) Rotor and stator cascade geometry and velocity triangles
2) Entalpy entropy diagram
3) Temperature and pressure diagram in the compressor stage
180
280
190
160
100000
300
0,98
0,985
-2
180
280
180
180
100000
300
0,98
0,985
-1
180
290
190
160
150000
400
0,98
0,985
0
180
290
180
180
150000
400
0,98
0,985
0
180
300
190
160
150000
400
0,98
0,985
0
180
300
180
180
150000
400
0,98
0,985
0
160
300
190
160
100000
290
0,98
0,985
-2
160
300
180
180
100000
300
0,98
0,985
-2
cx
cons
c3=c1
cp=100 [J/kg/K]
k=1,4
R=287 [J/kg/K]
Plot blde cascades for rotor and for stator. Shape of the cascade is profil NACA 65, ticknes is 8%,
camber line is a circural arc

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