different types of fuels used in ic engines

Their operation can be contrasted with that of external-combustion engines (e.g., steam engines), in which the working fluid does not chemically react and energy gain is achieved solely through heat transfer to the working fluid by way of a heat exchanger. Then, common to all internal-combustion engines, the air-fuel mixture is burned, work is extracted from the expansion of the hot gaseous products of combustion, and ultimately the products of combustion are released through the exhaust system. With the exception of rockets (both solid rocket motors and liquid-propellant rocket engines), internal-combustion engines ingest air, then either compress the air and introduce fuel into the air or introduce fuel and compress the air-fuel mixture. In the intermittent-combustion engine, by contrast, the events occur in succession and are repeated for each full cycle. In the continuous-combustion engine, the thermodynamic events occur simultaneously as the oxidizer and fuel and the products of combustion flow steadily through the engine. Internal-combustion engines can be delineated in terms of a series of thermodynamic events. Gasoline engine types include (A) opposed-piston engines, (B) Wankel rotary engines, (C) in-line engines, and (D) V-8 engines.

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Different types of fuels used in ic engines