RESEARCH PAPER
Using the Helmholtz integral to predict the acoustic radiation from a vibrating apple during non-contact frequency response measurements
 
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Department of Agricultural Engineering, Katholieke Universiteit Leuven, Kardinaal Mercierlaan 92, 3001 Heverlee, Belgium
Publication date: 2021-08-19
 
Int. Agrophys. 1994, 8(3): 393–402
 
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ABSTRACT
Helmholtz integral is used to predict the acoustic pressure radiation near a vibrating- apple. Solution approaches are developed for the acoustic pressure of the spherical mode of an apple with a revolutionary shape. The distribution or the surface pressure as well as the pressure radiation from the apple surface are obtained. The influence or the apple properties and the transmission medium property on the distribution and magnitude of the pressure is analysed.
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