The air correction accounts for heat losses due to excess air being heated and discharged with the flue gas. The correction is proportional to the excess air fraction, flue gas temperature, and air specific heat. The base constant is referenced from physics::us::kAirCorrectionBase.

\begin{equation}\label{eq:o2-enrichment-air-correction} AC = -(k_{base} + C_{p,air} \cdot T_{flue}) \cdot EA\end{equation}

Symbols

\(AC\)	Air correction \([\unit{ \percent}]\)
\(k_{base}\)	Air correction base constant (-1.078913827) - see physics::us::kAirCorrectionBase \([\unit{ \btu\per\pound}]\)
\(C_{p,air}\)	Air specific heat \([\unit{ \btu\per\pound\per\degreeFahrenheit}]\)
\(T_{flue}\)	Flue gas temperature \([\unit{ \degreeFahrenheit}]\)
\(EA\)	Excess air \([\unit{ \unitless}]\)