Numerical Simulation of Nanoscale Flow: A Molecular Dynamics Study of Drag

dc.contributor.authorSirk, Timothyen
dc.contributor.committeechairBrown, Eugene F.en
dc.contributor.committeememberPaul, Mark R.en
dc.contributor.committeememberCliff, Eugene M.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T20:35:00Zen
dc.date.adate2006-06-02en
dc.date.available2014-03-14T20:35:00Zen
dc.date.issued2006-04-28en
dc.date.rdate2006-06-02en
dc.date.sdate2006-05-04en
dc.description.abstractThe design of pathogen biosensors may soon incorporate beads having a nanoscale diameter, thus making the drag force on a nanoscale sphere an important engineering problem. Flows at this small of a scale begin to appear "grainy" and may not always behave as a continuous fluid. Molecular dynamics provides an approach to determine drag forces in those nanoscale flows which cannot be described with continuum (Navier-Stokes) theory. This thesis uses a molecular dynamics approach to find the drag forces acting on a sphere and a wall under several different conditions. The results are compared with approximations from a Navier-Stokes treatment and found to be within an order of magnitude despite the uncertainties involved in both the atomic interactions of the molecular dynamics simulation and the appropriate boundary conditions in the Navier-Stokes solution.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-05042006-190812en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05042006-190812/en
dc.identifier.urihttp://hdl.handle.net/10919/32183en
dc.publisherVirginia Techen
dc.relation.haspartSIRK.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectbiosensoren
dc.subjectsphereen
dc.subjectdragen
dc.subjectNanoen
dc.titleNumerical Simulation of Nanoscale Flow: A Molecular Dynamics Study of Dragen
dc.typeThesisen
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen
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