CW | Compression work (unit: kJ) |
DP | Design-point |
EW | Expansion work (unit: kJ) |
FPT | Free power turbine |
FPTW | Free power turbine work |
GT | Gas turbine |
HP | High pressure |
HPC | High pressure compressor |
HPCW | High pressure compressor work |
HPT | High pressure turbine |
HPTW | High pressure turbine work |
IC | Intercooled cycle |
ICR | Intercooled/recuperated |
Inter | Intercooler |
ISA | International standard atmosphere |
ISA Dev | International standard atmosphere deviation |
LP | Low pressure |
LPC | Low pressure compressor |
LPCW | Low pressure compressor work |
LPT | Low pressure turbine |
OD | Off-design point |
OEM | Original equipment manufacturer |
OPR | Overall pressure ratio |
PR | Pressure ratio |
SC | Simple cycle |
SLS | Sea level static |
TET | Turbine entry temperature (unit: K) |
TURBOMATCH | Gas turbine engine performance model code |
USAF | United State Air Force |
c | Specific heat (unit: kJ/kg) |
cp | Specific heat at constant pressure (unit: kJ/kg) |
H | Specific enthalpy (unit: kJ/kg) |
P | Total pressure (unit: N/m2) |
Q | Heat flow (unit: kW) |
qin | Heat flow in (unit: kW) |
qout | Heat flow out (unit: kW) |
S | Entropy (unit: kJ/kgK) |
SFC | Specific fuel consumption (unit: kg/MWs) |
T | Total temperature (unit: K) |
Greek letters | |
η | Efficiency (unit: %) |
ηth | Thermal efficiency (unit: %) |
ηc | Compressor isentropic efficiency (unit: %) |
ηT | Turbine isentropic efficiency (unit: %) |
Subscripts | |
P | At constant pressure |
Th | Thermal |
In | Inlet |
Out | Outlet |
Regen | Regeneration |
1, 2, 3, 4, 5, 6, 7, i | Engine components station numbers |