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An Experimental Investigation of Oscillating Spheres in a Very Viscous Fluid.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	An Experimental Investigation of Oscillating Spheres in a Very Viscous Fluid./
作者:	Box, Finn.
面頁冊數:	1 online resource (215 pages)
附註:	Source: Dissertations Abstracts International, Volume: 79-11, Section: C.
Contained By:	Dissertations Abstracts International79-11C.
標題:	Astrophysics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10029165click for full text (PQDT)
ISBN:	9781073929139

An Experimental Investigation of Oscillating Spheres in a Very Viscous Fluid.
Box, Finn.

An Experimental Investigation of Oscillating Spheres in a Very Viscous Fluid. - 1 online resource (215 pages)

Source: Dissertations Abstracts International, Volume: 79-11, Section: C.

Thesis (Ph.D.)--The University of Manchester (United Kingdom), 2014.

Includes bibliographical references

An experimental investigation of a sphere performing torsional oscillations in a Stokes flow is presented. A novel experimental set up was developed which enabled the motion of the sphere to be remotely controlled through application of a magnetic field. The response of the sphere to the applied field was characterised and good agreement with a theoretical model was found. The effect of nearby boundaries were investigated in two cases; when the rotational axis of the sphere was (1) parallel and (2) perpendicular to the normal to the bounding surface. The interaction between a torsionally oscillating sphere and an otherwise stationary sphere was then studied for various combinations of spheres. The effect that a tether connecting the spheres had on the dynamics of two interacting spheres was considered by comparing tethers of different materials. Finally, a multi-body configuration of spheres connected by elastic tethers which propelled itself in a Stokes flow when actuated magnetically was developed. Throughout the investigation Particle Image Velocimetry, a quantitative flow visualisation technique, was used to determine the resultant flows and provide insight into the fluid dynamics.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9781073929139Subjects--Topical Terms:

535904
Astrophysics.
Subjects--Index Terms:

Stokes flowIndex Terms--Genre/Form:

542853
Electronic books.

An Experimental Investigation of Oscillating Spheres in a Very Viscous Fluid.
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504 $a Includes bibliographical references
520 $a An experimental investigation of a sphere performing torsional oscillations in a Stokes flow is presented. A novel experimental set up was developed which enabled the motion of the sphere to be remotely controlled through application of a magnetic field. The response of the sphere to the applied field was characterised and good agreement with a theoretical model was found. The effect of nearby boundaries were investigated in two cases; when the rotational axis of the sphere was (1) parallel and (2) perpendicular to the normal to the bounding surface. The interaction between a torsionally oscillating sphere and an otherwise stationary sphere was then studied for various combinations of spheres. The effect that a tether connecting the spheres had on the dynamics of two interacting spheres was considered by comparing tethers of different materials. Finally, a multi-body configuration of spheres connected by elastic tethers which propelled itself in a Stokes flow when actuated magnetically was developed. Throughout the investigation Particle Image Velocimetry, a quantitative flow visualisation technique, was used to determine the resultant flows and provide insight into the fluid dynamics.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Astrophysics. $3 535904
650 4 $a Spheres. $3 3684734
650 4 $a Velocity. $3 3560495
650 4 $a Physics. $3 516296
650 4 $a Cotton. $3 865960
650 4 $a Viscosity. $3 1050706
650 4 $a Reynolds number. $3 3681436
650 4 $a Swimming. $3 638392
653 $a Stokes flow
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773 0 $t Dissertations Abstracts International $g 79-11C.
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