1973-02-01

Noise Produced by Unsteady Exhaust Efflux from an Internal Combustion Engine 730160

From a theoretical analysis of the unsteady efflux from the open end of a simulated reciprocating internal combustion engine exhaust system a prediction of overall and one-third octave sound pressure levels in space, due to this gas flow, is produced. The predictions are compared with measured levels and show a high degree of correlation.

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