air-fuel ratio

(redirected from Air-fuel-ratio)

air-fuel ratio

[′er ′fyül ‚rā·shō]
(chemistry)
The ratio of air to fuel by weight or volume which is significant for proper oxidative combustion of the fuel.

air-fuel ratio

The ratio of the volume (or weight) of air being furnished for combustion to the volume (or weight) of the fuel.
References in periodicals archive ?
One of the most important parameters related to the combustion quality is the Air-Fuel-Ratio of the charge, and through the monitoring of this value by the lambda probe it is possible to employ a closed loop controller able to keep it very close to stoichiometric conditions.
torque estimation and air-fuel-ratio (AFR) control) in particular for turbocharged engines.
Gasoline injection during the intake stroke results in a homogeneous mixture distribution at ignition phasing exhibiting an approximately constant air-fuel-ratio throughout the entire combustion chamber.