xv
List of Symbols
or
on infinitesimal flow path
a
in axial direction
c
compressor
or
critical or choking value
d
discharge/delivery side
def
deflection
dyn
dynamic value
(12.6–12.7)
gas
gas value
(12.6–12.7)
id
ideal
irr
due to irreversibility
m
in meridional direction
or
mechanical or manometric or mean
mean
mean value
o
optimum
p
pressure side
prop
propulsive value
(12.6–12.7)
r
in radial direction or in relative frame
or
rotor or reversible
s
suction side or stator
or
isentropic
ss
isentropic for stator
sr
isentropic for rotor
sre
isentropic re-expansion value
t
theoretical value
or
turbine
T
tip value
tt
total-to-total isentropic
u
in circumferential direction
Superscripts
*
design value
or
choking value
−
average
→
vector quantity
b
blade value