Experimental testing of intake manifold noise

Colin J. Novak, Robert G. Gaspar

Abstract


An experimental model to simulate the pressure pulses which propagate through a production intake manifold under operating conditions is developed. Using this model, it is shown that it is possible to reproduce the pressure pulses given a theoretical input at the interface between the intake manifold runner and engine head. Analysis of the time domain signal for the actual engine compares favorably to the theoretical time domain signal, thus validating the use of either source as a reference for comparing experimental results.

Keywords


Automobile engines; Automobiles; Computer simulation; Design; Signal noise measurement; Statistical methods; Intake manifold noise; Pressure pulses

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