Simulating Acoustic Orientation Trapping for Stable Levitation

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Helander , P , Puranen , T , Meriläinen , A , Maconi , G , Penttilä , A , Gritsevich , M , Kassamakov , I , Salmi , A , Muinonen , K & Haeggström , E 2019 , Simulating Acoustic Orientation Trapping for Stable Levitation . in 2019 IEEE International Ultrasonics Symposium (IUS) . IEEE International Ultrasonics Symposium , IEEE , pp. 650-653 , IEEE International Ultrasonics Symposium , Glasgow , United Kingdom , 06/10/2019 . https://doi.org/10.1109/ULTSYM.2019.8925843

Title: Simulating Acoustic Orientation Trapping for Stable Levitation
Author: Helander, Petteri; Puranen, Tuomas; Meriläinen, Antti; Maconi, Göran; Penttilä, Antti; Gritsevich, Maria; Kassamakov, Ivan; Salmi, Ari; Muinonen, Karri; Haeggström, Edward
Contributor: University of Helsinki, Materials Physics
University of Helsinki, Materials Physics
University of Helsinki, Department of Physics
University of Helsinki, Materials Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Publisher: IEEE
Date: 2019
Language: eng
Number of pages: 4
Belongs to series: 2019 IEEE International Ultrasonics Symposium (IUS)
Belongs to series: IEEE International Ultrasonics Symposium
ISBN: 978-1-7281-4597-6
978-1-7281-4596-9
978-1-7281-4595-2
URI: http://hdl.handle.net/10138/322114
Abstract: Acoustic levitation permits non-contact handling of mm-scale samples. To improve its applicability, we did a simulation study to optimize orientation control of a sample residing in a phased array levitator. The acoustic forces and torques on asymmetric samples in asymmetric traps were determined by solving the acoustic scattering problem with the boundary element method. The angular stiffness of the trap was mapped as a function of the field shape. This allowed us to choose the optimal incidence field for different shaped samples. A mathematical model was created that predicts the results with good agreement.
Subject: 114 Physical sciences
221 Nano-technology
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