자료유형  

 학위논문

Control Number  

0016932425

International Standard Book Number  

9798379613945

Dewey Decimal Classification Number  

530

Main Entry-Personal Name  

Yodh, Jeremy.

Publication, Distribution, etc. (Imprint  

[S.l.] : Harvard University., 2023

Publication, Distribution, etc. (Imprint  

Ann Arbor : ProQuest Dissertations & Theses, 2023

Physical Description  

1 online resource(101 p.)

General Note  

Source: Dissertations Abstracts International, Volume: 84-12, Section: B.

General Note  

Advisor: Mahadevan, Lakshminarayanan.

Dissertation Note  

Thesis (Ph.D.)--Harvard University, 2023.

Restrictions on Access Note  

This item must not be sold to any third party vendors.

Summary, Etc.  

요약We study the role of geometric confinements on the flow of colloidal and living through experiment, simulation, and scaling theory. In the first project, we explore the dynamics of a propagating clogging front comprised of colloidal particles confined to two-dimensional microfluidic channels with leaky boundary conditions. We found using a combination of experiment, simulation, and scaling theory that because of the leaky boundary condition, clogs propagate backwards against incident flow with a stationary wedge-shape and that the speed of the jamming front is consistent with simple mass balance. In the second project, we confined a dense suspension of motile Escherichia coli (E. coli) within the thin spherical shell of a double emulsion droplet and studied collective azimuthal flows as a function of droplet curvature and E. coli activity (motility). We experimentally discovered and confirmed with simulation that these systems exhibit azimuthal zonal flows which oscillate between counterclockwise and clockwise circulating states with persistence statistics which depend on the double emulsion size.

Subject Added Entry-Topical Term  

Physics.

Subject Added Entry-Topical Term  

Plasma physics.

Subject Added Entry-Topical Term  

Biophysics.

Index Term-Uncontrolled  

Geometric confinements

Index Term-Uncontrolled  

Colloidal particles

Index Term-Uncontrolled  

Motile Escherichia coli

Index Term-Uncontrolled  

Emulsion

Index Term-Uncontrolled  

Flow

Added Entry-Corporate Name  

Harvard University Physics

Host Item Entry  

Dissertations Abstracts International. 84-12B.

Host Item Entry  

Dissertation Abstract International

Electronic Location and Access  

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Control Number  

joongbu:642627