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Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process. The combustion may take place in a controlled manner such as in an internal combustion engine or industrial furnace, or may result in an explosion (e.g., a dust explosion). The air–fuel ratio determines whether a mixture is ...
Lean-burn gas engines are almost always turbocharged, resulting in high power and torque figures not achievable with stoichiometric engines due to high combustion temperatures. Heavy duty gas engines may employ precombustion chambers in the cylinder head. A lean gas and air mixture is first highly compressed in the main chamber by the piston.
The HWA AFR Turbo is a prototype four-stroke 2.0-litre single-turbocharged inline-4 gasoline racing engine, developed and produced jointly by HWA, in partnership and collaboration with Aston Martin, for Deutsche Tourenwagen Masters.
An exhaust gas temperature gauge (EGT gauge or EGT sensor) is a meter used to monitor the exhaust gas temperature of an internal combustion engine in conjunction with a thermocouple-type pyrometer. EGT gauges are found in certain cars and aeroplanes. By monitoring EGT, the driver or pilot can get an idea of the vehicle's air-fuel ratio (AFR).
AFR Engine 21 in 2012. AFR provides both fire and emergency medical services, [6] including two hazardous materials squads and one heavy technical rescue squad with vehicle extrication, confined space, rope, structural collapse, trench collapse, swift water, and elevator rescue capabilities. [3]
AFR BMW Conversion; AFR R 100 70/80 hp; AFR R 1100D 90/100 hp; AFR R 1100S 98 hp; ... Rocket engines [14] Armstrong Siddeley Alpha; Armstrong Siddeley Beta;
The Toyota NR engine family is a series of small inline-four piston engines designed and manufactured by Toyota, with capacities between 1.2 and 1.5 litres (1,197 and 1,498 cc). Common features of this series
In an internal combustion engine, the flame speed of a fuel is a property which determines its ability to undergo controlled combustion without detonation. Flame speed is used along with adiabatic flame temperature to help determine the engine's efficiency. According to one source,