Hydrodynamic loading and viscous damping of patterned perforations on microfabricated resonant structures

Kidong Park, Jeong Shim, Vita Solovyeva, E. Corbin, Sutanuka Banerjee, R. Bashir

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

We examined the hydrodynamic loading of vertically resonating microfabricated plates immersed in liquids with different viscosities. The planar structures were patterned with focused ion beam, perforating various shapes with identical area but varying perimeters. The hydrodynamic loading of various geometries was characterized from resonant frequency and quality factor. In water, the damping increased linearly with the perimeter at 45.4 × 10 Ns/m , until the perforation's radius was 123% ± 13% of the depth of penetration of fluid's oscillation. The added mass effect decreased with perforations and recovered to the level of un-perforated structures when the perforation's radius became smaller than the depth of penetration.
OriginalsprogEngelsk
TidsskriftApplied Physics Letters
Vol/bind100
Udgave nummer15
ISSN0003-6951
DOI
StatusUdgivet - 2012

Fingeraftryk

viscous damping
perforation
damping
hydrodynamics
penetration
perforating
radii
planar structures
resonant frequencies
Q factors
ion beams
viscosity
oscillations
fluids
liquids
geometry
water

Citer dette

Park, Kidong ; Shim, Jeong ; Solovyeva, Vita ; Corbin, E. ; Banerjee, Sutanuka ; Bashir, R. / Hydrodynamic loading and viscous damping of patterned perforations on microfabricated resonant structures. I: Applied Physics Letters. 2012 ; Bind 100, Nr. 15.
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abstract = "We examined the hydrodynamic loading of vertically resonating microfabricated plates immersed in liquids with different viscosities. The planar structures were patterned with focused ion beam, perforating various shapes with identical area but varying perimeters. The hydrodynamic loading of various geometries was characterized from resonant frequency and quality factor. In water, the damping increased linearly with the perimeter at 45.4 × 10 Ns/m , until the perforation's radius was 123{\%} ± 13{\%} of the depth of penetration of fluid's oscillation. The added mass effect decreased with perforations and recovered to the level of un-perforated structures when the perforation's radius became smaller than the depth of penetration.",
author = "Kidong Park and Jeong Shim and Vita Solovyeva and E. Corbin and Sutanuka Banerjee and R. Bashir",
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Hydrodynamic loading and viscous damping of patterned perforations on microfabricated resonant structures. / Park, Kidong; Shim, Jeong; Solovyeva, Vita; Corbin, E.; Banerjee, Sutanuka; Bashir, R.

I: Applied Physics Letters, Bind 100, Nr. 15, 2012.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Hydrodynamic loading and viscous damping of patterned perforations on microfabricated resonant structures

AU - Park, Kidong

AU - Shim, Jeong

AU - Solovyeva, Vita

AU - Corbin, E.

AU - Banerjee, Sutanuka

AU - Bashir, R.

PY - 2012

Y1 - 2012

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