Publications

The manuscripts that are listed are available to the academic community for use in research and teaching. Any copyrights that are associated with the manuscripts remain with the appropriate parties.

Articles

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2020
M. Tan, Y. Mao, T.W. Walker. Rheological enhancement of artificial sputum medium. Journal of Applied Rheology. 30, 27 (2020).
doi:10.1515/arh-2020-0100
2019
K.A. Marshall, T.W. Walker. Investigating the dynamics of droplet-breakup in a microfluidic cross-slot device for characterizing the extensional properties of weakly viscoelastic fluids. Rheologica Acta. 58, 9 (2019).
doi:10.1007/s00397-019-01152-0

C.G. Harris, N.J.S. Jursik, W.E. Rochefort, T.W. Walker. Additive Manufacturing with Soft TPU -- Adhesion Strength in Multimaterial Flexible Joints. Frontiers in Mechanical Engineering. 5, 1 (2019).
doi:10.3389/fmech.2019.00004

U. Daalkhaijav, A.L. Dunham, T.W. Walker. Effects of Medium Components on the Bulk Rheology and on the Formation of Ferning Patterns for Biofilm of Pseudomonas aeruginosa. In D. Sriramulu (Ed.), Pseudomonas aeruginosa -- An Armory Within. (2019).
doi:10.5772/intechopen.85240
2018
M. Tan, A.L. Lambert, B.M. Swann, H. Song, A. Jander, P. Dhagat, T.W. Walker. Utilizing Yield-Stress Fluids to Suppress Chaining during Magnetic Alignment of Microdisks via Rotating Fields. AIChE Journal: Futures Series. 64, 8 (2018).
doi:10.1002/aic.16215
2017
U. Daalkhaijav, T.W. Walker. Developing a Nondestructive Technique for Measuring Bulk Rheology of Pseudomonas aeruginosa Biofilm. Applied Rheology. 27, 64033 (2017).
doi:10.3933/ApplRheol-27-64033

K.A. Marshall, A.M. Liedtke, A.H. Todt, T.W. Walker. Extensional Rheometry with a Handheld Mobile Device. Exp. Fluids. 58, 6 (2017).
doi:10.1007/s00348-017-2351-9
2016
J.L. Sylman, U. Daalkhaijav, Y. Zhang, E.M. Gray, P.A. Farhang, T.T. Chu, J. Zilberman-Rudenko, C. Puy, E.I. Tucker, S.A. Smith, J.H. Morrissey, T.W. Walker, X.L. Nan, A. Gruber, O.J.T. McCarty. Differential roles for the coagulation factors XI and XII in regulating the physical biology of fibrin. Ann. Biomed. Eng. 45, 5 (2016).
doi:10.1007/s10439-016-1771-7

M. Tan, H. Song, P. Dhagat, A. Jander, T.W. Walker. Theoretical study of alignment dynamics of magnetic oblate spheroids in rotating magnetic fields. Phys. Fluids. 28, 062004 (2016).
doi:10.1063/1.4953009

K.H. Nakayama, V.N. Surya, M. Gole, T.W. Walker, W. Yang, E.S. Lai, M. Ostrowski, G.G. Fuller, A.R. Dunn, N.F. Huang. Nanoscale patterning of extracellular matrix alters endothelial function under flow. Nano Lett. 16, 1 (2016).
doi:10.1021/acs.nanolett.5b04028
2015
H. Song, M. Tan, T.W. Walker, A. Jander, P. Dhagat. Planar Alignment of Isolated Magnetic Disks in Newtonian Fluids by a Rotating Field. IEEE Magn. Lett. 6, 5000304 (2015).
doi:10.1109/LMAG.2015.2489187

H. Song, M. Tan, T.W. Walker, A. Jander, P. Dhagat. Planar Alignment of Magnetic Microdisks in Composites Using Rotating Fields. IEEE Trans. Magn. Conf. PP, 99 (2015).
doi:10.1109/TMAG.2015.2443026

T.W. Walker, A.N. Logia, G.G. Fuller. Multiphase flow of miscible liquids: jets and drops. Exp. Fluids. 56, 106 (2015).
doi:10.1007/s00348-015-1974-y
accepted manuscript:ScholarsArchive@OSU
2014
S. Fitzgibbon, E.S.G. Shaqfeh, G.G. Fuller, T.W. Walker. Scaling analysis and mathematical theory of the interfacial stress rheometer. J. Rheol. 58, 999 (2014).
doi:10.1122/1.4876955

M.A. Ostrowski, N.F. Huang, T.W. Walker, T. Verwijlen, C. Poplawski, A.S. Khoo, J.P. Cooke, G.G. Fuller, A.R. Dunn. Microvascular Endothelial Cells Migrate Upstream and Align Against the Shear Stress Field Created by Impinging Flow. Biophys. J. 106, 366 (2014).
doi:10.1016/j.bpj.2013.11.4502

T.T. Hsu, T.W. Walker, C.W. Frank, G.G. Fuller. Instabilities and elastic recoil of the two-fluid circular hydraulic jump. Exp. Fluids. 55, 1645 (2014).
doi:10.1007/s00348-013-1645-9

T.W. Walker, T.T. Hsu, S. Fitzgibbon, D.S.L. Mui, J. Zhu, A. Mendiratta, C.W. Frank, G.G. Fuller. Enhanced particle removal using viscoelastic fluids. J. Rheol. 58, 63 (2014).
doi:10.1122/1.4832637
2007-2013
T.W. Walker. Exploiting Multiphase Interactions in Fluid Mechanics. Ph.D. dissertation, Stanford (2013).
http:web

T.W. Walker, T.T. Hsu, C.W. Frank, G.G. Fuller. Role of shear-thinning on the dynamics of rinsing flow by an impinging jet. Phys. Fluids. 24, 093102 (2012).
doi:10.1063/1.4752765

D.L. Leiske, B. Meckes, C.E. Miller, C. Wu, T.W. Walker, B. Lin, M. Meron, H.A. Ketelson, M.F. Toney, G.G. Fuller. Insertion Mechanism of a Poly(ethyleneoxide)-poly(butylene oxide) Block Copolymer into a DPPC Monolayer. Langmuir. 27, 11444 (2011).
doi:10.1021/la2016879

T.T. Hsu, T.W. Walker, C.W. Frank, G.G. Fuller. Role of fluid elasticity on the dynamics of rinsing flow by an impinging jet. Phys. Fluids. 23, 033101 (2011).
doi:10.1063/1.3567215

T.W. Walker. Harnessing Natural Energy. Chem. Eng. Prog. 104, S23 (2008).
http:web

T.W. Walker. Clean Energy Sources and Mass Electrical Storage. J. Eng. Public Pol. 11,(2007), www.wise-intern.org.
http:web

Theses

C.G. Gahan. A Novel Apparatus for Measuring the Interfacial Shear Rheology of Biofilms while Measuring the Concentration of Redox Species in the Growth Media. UHC thesis, Oregon State University (2016).

K.A. Marshall. Extensional Characterization of Weakly-Viscoelastic Fluids: Methods & Applications. M.S. thesis, Oregon State University (2017).

Y. Mao. Transient Microrheological Characterization of Biogels. M.S. thesis, Oregon State University (2017).

R.C. Myers Frequency-Dependent Rheological Characterization of Viscoelastic Materials Using Magnetic Nanoparticle Probes UHC thesis, Oregon State University (2020).

H.F. Oldenkamp. Phase study and rheological evaluation of the gelation of xanthan gum with chromium (III) nitrate. UHC thesis, Oregon State University (2017).

A. Srivastava. Investigating the Effect of Tetrahydrofuran (THF) Plasticizer on the Crystallization and Solvent Seaming of PET/NPG Copolymer Films. M.S. thesis, Oregon State University (2017).

B.M. Swann. Leveraging Fluids with Weak Yield Stress for Directed Alignment and Distribution of Magnetic Disks in Novel Inks. M.S. thesis, Oregon State University (2017).

M. Tan. A Study of the Dynamics and Rheology of Passive and Active Suspensions of Particles with Various Geometries. Ph.D. dissertation, Oregon State University (2018).
http:web

C. Turner. Gated Langmuir-Blodgett trough and double wall Couette for interfacial rheology of insoluble surfactants. UHC thesis, Oregon State University (2016).

T.W. Walker. Exploiting Multiphase Interactions in Fluid Mechanics. Ph.D. dissertation, Stanford University (2013).
http:web

Artwork


S. Fitzgibbon, E.S.G. Shaqfeh, G.G. Fuller, T.W. Walker. Scaling analysis and mathematical theory of the interfacial stress rheometer. Cover. J. Rheol. 58 (2014). [Image]

T.W. Walker, T.T. Hsu, G.G. Fuller. Rinsing Flow Image of Water. 2012 APS-DFD Gallery of Fluid Motion. 2012. [Link]

T.T. Hsu, T.W. Walker, C.W. Frank, G.G. Fuller. Screen shots of the rinsing flows with the testing coating fluid being (clockwise from upper left) glycerol-water, Boger fluid, semidilute PAM solution, and water. Cover. Phys. Fluids. 23 (2011). [Link]