The effectiveness of a double-stem injection valve in controlling combustion in a compression-ignition engine

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Summary: An investigation was made to determine to what extent the rates of combustion in a compression-ignition engine can be controlled by varying the rates of fuel injection. The tests showed that the double-stem valve operated satisfactorily under all normal injection conditions; the rate of injection has a definite effect on the rate of combustion; the engine performance with the double-stem valve was inferior to that obtained with a single-stem valve; and the control of injection rates permitted by an injection valve of two stages of discharge is not sufficient to effect the desired rates of combustion.
Collection: NASA Technical Reports Server (NTRS) Collection.
Note: Document ID: 19930081143.
Accession ID: 93R10433.
NACA-TN-402.
Terms of Use and Reproduction: No Copyright.

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