Abstract

This paper proposes a digital holographic set-up with two wavelengths and two image sensors, having different acquisition frame rates, to characterize the acoustic auto-oscillations generated in a standing-wave thermo-acoustic generator. Experimental results should lead to a better understanding of the complex mechanisms of non-stationary heat transfer that govern dynamics of the transient regimes.

© 2014 Optical Society of America

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More Like This
Noise and bias in off-axis digital holography for applicability to thermoacoustic experiments

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