Thermodynamics of metal-air systems

FIGURE 9.12 Adiabatic combustion temperature of a stoichiometric Al—02 system containing various amounts of die inert diluent argon as a function of assigned enthalpy, other conditions being the same as those for Fig. 9.2. 

Point H-° (kj/g) T (K) Ptot Ar (atm) Al203(l) (mole fraction) Ar (mole fraction) 

A1203 that forms—controls the flame temperature even when the gaseous mixture reacting with the metal is not pure oxygen. 

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