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 ?
Both the UEGO and HEGO sensors are important to obtain accurate controls of the closed loop air fuel ratio control system and they must be located properly in order to sense evenly and accurately the AFR from each cylinder.
The maximum of potential air fuel ratio limitations are limited by the steady state operation AFR.
It demonstrates reliable starting and operates over the full air fuel ratio range from 120:1 (idling) to 15:1 (stoichiometric or full power).
Tenders are invited for Supply, Installation & Commissioning of 3 Nos of Air Fuel Ratio Controller
Air fuel ratio shows not much difference in both conditions.
When ethanol blended gasoline used, the ratio of air-fuel mixture became leaner and the ECU would reduce the fuel injection quantity to maintain the air fuel ratio.
The performance of the engine was evaluated in terms of brake specific fuel consumption, brake thermal efficiency, volumetric efficiency and air fuel ratio.
The MEC-FI controller precisely controls air fuel ratio based on engine variables such as fuel pressure, fuel flow, intake manifold temperature, exhaust temperature and air manifold pressure.
Clean Air Partners' proprietary ECU and software monitors and controls changes in air charge temperature, air fuel ratio and pilot fuel quantity.
Model Based Air Fuel Ratio Control for Reducing Exhaust Gas Emissions," SAE Technical Paper 950075, 1995, doi:10.
These allow for excess air levels to be continuously monitored and the feedback can also be used to adjust the air fuel ratio, enabling optimum combustion to be achieved at all times.