Study of the near field generated by a power ultrasonic transducer

Roque R. Andrés, Olivier Louisnard, Enrique Riera, Victor M. Acosta
Euroregio2106. Official Publication in CD, Paper 36. Porto. Portugal.

Industrial processes assisted by high-power ultrasound (HPU) have become an attractive field for industries because of its sustainability (low energy consumption, non-pollutant processes). These processes are based on the proper exploitation of the non-linear effects associated to finite-amplitude-wave propagation that are able to enhance mass transfer processes in food dehydration.

The main objective of this work is the analysis of the acoustic field, generated by a high power ultrasonic transducer with circular radiator confined in a drying chamber, and obtained by numerical methods; as well as the parametric study of the sample location inside the chamber, in order to optimize the system efficiency.

Acknowledgments

This work has been supported by the project DPI2012-37466-C03-01 funded by the Spanish Ministry of Economy and Competitiveness.