xi
List of Symbols
a
acceleration
m/s
2
or
axial interference factor
–
A
through-flow section area
m
2
b
rotor width in axial direction
m
or
tangential interference factor
–
or
bypass ratio
–
c
chord
m
or
velocity of sound
m/s
c a
axial chord
m
C D
drag coefficient
–
c f
friction coefficient
–
Cf
centrifugal force by rotor rotation
N/kg
C Fu
tangential force coefficient
–
C L
lift coefficient
C M
Pfleiderer moment coefficient (3.30)
–
Co
Coriolis force by rotor rotation
N/kg
c p
differential specific heat at constant pressure
J/kgK
C p
pressure coefficient
–
or
integral specific heat at constant pressure
J/kgK
C P
power coefficient
–
C T
thrust coefficient
–
Cu
centrifugal force by curvature
N/kg
d
diameter
m
D
drag per unit of span
N/m
DF
diffusion factor
–
D loc
local diffusion factor
–
D s
specific diameter (7.7)
–
e
internal energy per unit of mass
J/kg
E k
kinetic energy per unit of mass
J/kg