Acoustophoretic agglomeration patterns of particulate phase in a host fluid

Sepehrirahnama, S; Lim, KM

Acoustophoretic agglomeration patterns of particulate phase in a host fluid

Sepehrirahnama, S

Lim, KM

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Publisher:: Springer Science and Business Media LLC
Publication Type:: Journal Article
Citation:: Microfluidics and Nanofluidics, 2020, 24, (12), pp. 92
Issue Date:: 2020-12-01

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Field	Value	Language
dc.contributor.author	Sepehrirahnama, S https://orcid.org/0000-0002-3280-3321
dc.contributor.author	Lim, KM
dc.date.accessioned	2021-03-17T21:13:40Z
dc.date.available	2021-03-17T21:13:40Z
dc.date.issued	2020-12-01
dc.identifier.citation	Microfluidics and Nanofluidics, 2020, 24, (12), pp. 92
dc.identifier.issn	1613-4982
dc.identifier.issn	1613-4990
dc.identifier.uri	http://hdl.handle.net/10453/147298
dc.description.abstract	© 2020, Springer-Verlag GmbH Germany, part of Springer Nature. Ultrasound-assisted processing of particulate phase in a host fluid relies on the induced acoustic force field. Understanding the agglomeration phenomenon in the particulate phase under acoustic forces will provide better insight about the acoustophoresis quality and a way to design a well-controlled process. In this work, a dynamic model consisting of acoustic and hydrodynamic forces is proposed for tracking the motion of micro-spheres under ultrasound fields with planar and non-planar wave fronts. The agglomeration of particles at the nodal plane was simulated taking into account the contact and collisions between spheres. The numerical simulations were conducted for both sound hard and compressible spheres to investigate the behaviors of single and multiple-phase particle populations. For the case of a plane standing-wave, the interaction between solid-bubble allows the solid particles to stay at the velocity node which is their unstable equilibrium location. With a Bessel standing wave as a non-planar pressure field, the agglomeration patterns of particles are generally different from the case of plane standing wave, which implies the significance of the particle tracking simulations for predicting the agglomeration patterns and locations under ultrasound fields with arbitrary wave fronts.
dc.language	en
dc.publisher	Springer Science and Business Media LLC
dc.relation.ispartof	Microfluidics and Nanofluidics
dc.relation.isbasedon	10.1007/s10404-020-02397-5
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0913 Mechanical Engineering, 0915 Interdisciplinary Engineering, 1007 Nanotechnology
dc.subject.classification	Nanoscience & Nanotechnology
dc.title	Acoustophoretic agglomeration patterns of particulate phase in a host fluid
dc.type	Journal Article
utslib.citation.volume	24
utslib.for	0913 Mechanical Engineering
utslib.for	0915 Interdisciplinary Engineering
utslib.for	1007 Nanotechnology
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
utslib.copyright.status	closed_access	*
dc.date.updated	2021-03-17T21:13:31Z
pubs.issue	12
pubs.publication-status	Published
pubs.volume	24
utslib.citation.issue	12

Abstract:

© 2020, Springer-Verlag GmbH Germany, part of Springer Nature. Ultrasound-assisted processing of particulate phase in a host fluid relies on the induced acoustic force field. Understanding the agglomeration phenomenon in the particulate phase under acoustic forces will provide better insight about the acoustophoresis quality and a way to design a well-controlled process. In this work, a dynamic model consisting of acoustic and hydrodynamic forces is proposed for tracking the motion of micro-spheres under ultrasound fields with planar and non-planar wave fronts. The agglomeration of particles at the nodal plane was simulated taking into account the contact and collisions between spheres. The numerical simulations were conducted for both sound hard and compressible spheres to investigate the behaviors of single and multiple-phase particle populations. For the case of a plane standing-wave, the interaction between solid-bubble allows the solid particles to stay at the velocity node which is their unstable equilibrium location. With a Bessel standing wave as a non-planar pressure field, the agglomeration patterns of particles are generally different from the case of plane standing wave, which implies the significance of the particle tracking simulations for predicting the agglomeration patterns and locations under ultrasound fields with arbitrary wave fronts.

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http://hdl.handle.net/10453/147298