Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 479884
Title Design basis of industrial acoustic separators
Author(s) Cappon, H.J.; Keesman, K.J.
Source In: Proceedings of the IEEE UFFC International Ultrasonics Symposium, 2013. - - p. 299 - 302.
Event IEEE UFFC International Ultrasonics Symposium, Praag, Tsjechie, 2013-07-21/2013-07-25
DOI https://doi.org/10.1109/ULTSYM.2013.0077
Department(s) Biomass Refinery and Process Dynamics
WIMEK
Publication type Contribution in proceedings
Publication year 2013
Abstract This study presents the process of obtaining a basic design for an industrial scale acoustic separator based on flow characteristics inside the separation chamber, on acoustic analysis within the chamber and calculated particle trajectories combining these two analyses. Adequate criteria for subsequent optimisation were evaluated. Results showed that positioning the piezoelectric transducer surfaces perpendicular to the flow direction and introducing chamber partitioning with multiple flow lanes to enforce laminar flow, resulted in high particle retention. The average particle displacement was found to be related to acoustic pressure in the fluid, showing large retention at peak pressures above 1 MPa or average pressures above 0.5 MPa for small (10 µm), near buoyant (1100 kg/m3) particles at a flow speed of 3.5 cm/s, thus providing comprehensible criteria for subsequent optimisation.
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