Air–fuel Ratio

Written by Jerry Ratzlaff on . Posted in Fluid Mechanics

Air–fuel ratio is the mass ratio of air to fuel mixture present in an internal combustion engines.

formula

\( AFR = \frac {m_a} {m_f} \)

Where:

\(AFR\) = air–fuel ratio

\(m_a\) = air mixture

\(m_f\) = fuel mixture