Y
- YfeqDIFFFuel Equilibrium Mass Fraction Factor
- ECFM-CLEH equilibrium fuel mass fraction factor in the diffusion zone.
- YfeqPSTOXFuel Equilibrium Mass Fraction Factor
- ECFM-CLEH equilibrium fuel mass fraction factor in the post-oxidation zone.
- YuN2
- Unburnt mass fraction of N2.
- YuO2
- Unburnt mass fraction of O2.
- YuCO2
- Unburnt mass fraction of CO2.
- YuH2O
- Unburnt mass fraction of H2O.
- YuCO
- Unburnt mass fraction of CO.
- YuH2
- Unburnt mass fraction of H2.
- YuYMWCLEH
- Mass fraction of ECFM-CLEH virtual species—representing all complex chemistry species that are not taken into account by ECFM-CLEH, in order to recover the correct complex mixture molecular weight.