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Direct Measurement of the Structural Disjoining Pressure.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Direct Measurement of the Structural Disjoining Pressure./
Author:	Geise, Myles.
Description:	1 online resource (113 pages)
Notes:	Source: Masters Abstracts International, Volume: 84-12.
Contained By:	Masters Abstracts International84-12.
Subject:	Fluid mechanics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30489405click for full text (PQDT)
ISBN:	9798379739348

Direct Measurement of the Structural Disjoining Pressure.
Geise, Myles.

Direct Measurement of the Structural Disjoining Pressure. - 1 online resource (113 pages)

Source: Masters Abstracts International, Volume: 84-12.

Thesis (M.S.)--State University of New York at Buffalo, 2023.

Includes bibliographical references

The continued advancements in 3D printing and other additive manufacturing methods have greatly enhanced methods to produce parts with complicated geometries and internal voids. This advancement has also opened up other avenues for research by introducing new methods for particle removal using a nanofluid and Structural Disjoining Pressure (SDP). SDP is an interfacial force that produces an innate normal force and shearing force to particles that are adhered to a surface. When the nanofluid spreads underneath these particles, it has a tendency to detach particles with surprising efficiency. SDP has been observed and documented in many previous papers, but there have been no successful attempts to directly measure the force generated by SDP. The goal of this thesis will be to document an experimental method utilizing an applied magnetic field to directly measure SDP using microrheology. This method will revolve around the use of magnetic microparticles that are suspended in a nanofluid within a microchannel. Using an applied magnetic field, the magnetic susceptibility of the microparticles can be calculated which in turn, allows for an estimation of SDP by measuring the change in Brownian motion velocity from increasing magnetic field strengths. Direct SDP calculations can lead to improving particle removal methods enabling easier cleaning of manufactured parts.

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

Mode of access: World Wide Web

ISBN: 9798379739348Subjects--Topical Terms:

528155
Fluid mechanics.
Subjects--Index Terms:

Additive manufacturingIndex Terms--Genre/Form:

542853
Electronic books.

Direct Measurement of the Structural Disjoining Pressure.
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504 $a Includes bibliographical references
520 $a The continued advancements in 3D printing and other additive manufacturing methods have greatly enhanced methods to produce parts with complicated geometries and internal voids. This advancement has also opened up other avenues for research by introducing new methods for particle removal using a nanofluid and Structural Disjoining Pressure (SDP). SDP is an interfacial force that produces an innate normal force and shearing force to particles that are adhered to a surface. When the nanofluid spreads underneath these particles, it has a tendency to detach particles with surprising efficiency. SDP has been observed and documented in many previous papers, but there have been no successful attempts to directly measure the force generated by SDP. The goal of this thesis will be to document an experimental method utilizing an applied magnetic field to directly measure SDP using microrheology. This method will revolve around the use of magnetic microparticles that are suspended in a nanofluid within a microchannel. Using an applied magnetic field, the magnetic susceptibility of the microparticles can be calculated which in turn, allows for an estimation of SDP by measuring the change in Brownian motion velocity from increasing magnetic field strengths. Direct SDP calculations can lead to improving particle removal methods enabling easier cleaning of manufactured parts.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Fluid mechanics. $3 528155
650 4 $a Aerospace engineering. $3 1002622
650 4 $a Mechanical engineering. $3 649730
653 $a Additive manufacturing
653 $a Magnetic guiding
653 $a Magnetic susceptibility
653 $a Microspheres
653 $a Particle removal
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710 2 $a State University of New York at Buffalo. $b Mechanical and Aerospace Engineering. $3 1017747
773 0 $t Masters Abstracts International $g 84-12.
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