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In an indirect injection diesel engine fuel is injected into a small prechamber which is connected to the cylinder by a narrow opening. The initial combustion takes place in this prechamber. This has the effect of slowing the rate of combustion, which tends to reduce audible noise.

In a direct injection diesel engine, fuel is injected directly into the cylinder. The piston incorporates a depression (often toroidal) which is where initial combustion takes place. Direct injection diesel engines are generally more efficient than indirect injection engines, but have a tendency to produce greater amounts of audible noise.

In either case the location where combustion takes place, called a swirl chamber, is carefully designed to ensure adequate mixing of the atomized fuel with the compression-heated air.

Topics: Direct Injection Vs Indirect Injection, Direct Realism...

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DirectXDirectX is a collection of APIs for easily handling tasks related to game programming on Microsoft Windows. It is most widely used in the development of video and computer games for Windows. The DirectX SDK is available for free from Microsoft. The Direct	Director's cutA Director's cut is a specially edited version of a movie that is supposed to represent the director's own approved edit of the movie. It is often released some time after the original release of the film, where the original release was released in a vers	Direct productIn mathematics, one can often define a direct product of objects already known, giving a new one. Examples are the product of groups (described below), the product of rings and of other algebraic structures. The product of topological spaces is another in
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Topics: Direct Injection Vs Indirect Injection, Direct Realism...