Effect of the reservoir volume on the discharge pressures in the injection system of

A. M. Rothrock, D. W. Lee
naca-tn-407
Feb 1932


the N.A.C.A. spray photography equipment Tests were made to determine the effect of the reservoir volume on the discharge pressures in the injection system of the N.A.C.A. spray photography equipment. The data obtained are applicable to the design of a common rail fuel-injection system. The data show that an injection system of the type described can be designed so that not more than full load fuel quantity can be injected into the engine cylinders, and so that the fuel spray characteristics remain constant over a large range of engine speeds. Formulas are presented for computing the volume of the reservoir and the diameter of the discharge orifice.

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