Abstract
Modern diesel engines are used in a wider variety of applications, installations, and environments than probably any other power unit. It is quite common for one engine type to be used for tractors, automotive, industrial, and marine purposes, with very little change to the basic engine. Considerable changes are necessary in the fuel-injection system, however, to meet the varying torque curve, speed range, and governing requirements. Operation over a wider range of temperatures and viscosities is often needed, and noise and smoke legislation have added further requirements. The paper outlines these problems and the compromises that must sometimes be made. Direct-injection and indirect-injection engine cases have been considered.
The paper concludes with some comments on pre-setting fuel pumps for high-volume production.
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