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Research Output 1993 2018

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Article
2018
5 Citations (Scopus)

Effect of Flood Hydrograph Duration, Magnitude, and Shape on Bed Load Transport Dynamics

Phillips, C. B., Hill, K. M., Paola, C., Singer, M. B. & Jerolmack, D. J., Aug 28 2018, In : Geophysical Research Letters. 45, 16, p. 8264-8271 8 p.

Research output: Contribution to journalArticle

bedload
hydrograph
beds
sediments
impulses
2017
9 Citations (Scopus)

Experimental study of the effect of grain sizes in a bimodal mixture on bed slope, bed texture, and the transition to washload

Hill, K. M., Gaffney, J., Baumgardner, S., Wilcock, P. & Paola, C., Jan 1 2017, In : Water Resources Research. 53, 1, p. 923-941 19 p.

Research output: Contribution to journalArticle

experimental study
grain size
texture
particle size
sediment
2016
25 Citations (Scopus)

Effects of coarse grain size distribution and fine particle content on pore fluid pressure and shear behavior in experimental debris flows

Kaitna, R., Palucis, M. C., Yohannes, B., Hill, K. M. & Dietrich, W. E., Feb 2016, In : Journal of Geophysical Research: Earth Surface. 121, 2, p. 415-441 27 p.

Research output: Contribution to journalArticle

fluid pressure
debris
Debris
debris flow
pore pressure
16 Citations (Scopus)

Infiltration experiments demonstrate an explicit connection between heterogeneity and anomalous diffusion behavior

Filipovitch, N., Hill, K. M., Longjas, A. & Voller, V. R., Jul 1 2016, In : Water Resources Research. 52, 7, p. 5167-5178 12 p.

Research output: Contribution to journalArticle

infiltration
experiment
porous medium
simulation
distribution
2015
17 Citations (Scopus)

Shear-induced segregation of particles by material density

Fan, Y. & Hill, K. M., Aug 25 2015, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 92, 2, 022211.

Research output: Contribution to journalArticle

Segregation
shear
Kinetics
Mixture Theory
Gradient
2014
3 Citations (Scopus)

Discrete element modeling of effect of moisture and fine particles in lightweight deflectometer test

Tan, D. S., Khazanovich, L., Siekmeier, J. & Hill, K. M., Jan 1 2014, In : Transportation Research Record. 2433, p. 58-67 10 p.

Research output: Contribution to journalArticle

Moisture
Granular materials
Finite difference method
Pavements
Mechanics
10 Citations (Scopus)

Mechanistic modelling of tests of unbound granular materials

Yohannes, B., Tan, D., Khazanovich, L. & Hill, K. M., Aug 9 2014, In : International Journal of Pavement Engineering. 15, 7, p. 584-598 15 p.

Research output: Contribution to journalArticle

Granular materials
Cones
Elastic moduli
Finite difference method
Pavements
43 Citations (Scopus)

Segregation in dense sheared flows: Gravity, temperature gradients, and stress partitioning

Hill, K. M. & Tan, D. S., Oct 2014, In : Journal of Fluid Mechanics. 756, p. 54-88 35 p.

Research output: Contribution to journalArticle

Gravitation
Thermal gradients
temperature gradients
gravitation
Kinetics
2012
18 Citations (Scopus)

Boundary stresses due to impacts from dry granular flows

Yohannes, B., Hsu, L., Dietrich, W. E. & Hill, K. M., Jun 1 2012, In : Journal of Geophysical Research: Earth Surface. 117, 2, F02027.

Research output: Contribution to journalArticle

bedrock
particle size
discrete element method
Finite difference method
Particle size analysis
3 Citations (Scopus)

Unified mechanistic approach for modeling tests of unbound pavement materials

Hill, K. M., Yohannes, B. & Khazanovich, L., Sep 1 2012, In : Journal of Transportation Engineering. 138, 9, p. 1091-1098 8 p.

Research output: Contribution to journalArticle

Pavements
Bearings (structural)
Quality control
Cones
Quality assurance
2011
39 Citations (Scopus)

Phase transitions in shear-induced segregation of granular materials

Fan, Y. & Hill, K. M., May 27 2011, In : Physical Review Letters. 106, 21, 218301.

Research output: Contribution to journalArticle

granular materials
shear
trends
chutes
temperature
7 Citations (Scopus)

Rheology of dense granular mixtures: Boundary pressures

Hill, K. M. & Yohannes, B., Feb 4 2011, In : Physical Review Letters. 106, 5, 058302.

Research output: Contribution to journalArticle

rheology
granular materials
particle size distribution
61 Citations (Scopus)

Theory for shear-induced segregation of dense granular mixtures

Fan, Y. & Hill, K. M., Sep 1 2011, In : New Journal of Physics. 13, 095009.

Research output: Contribution to journalArticle

shear
gradients
granular materials
kinetics
chutes
2010
6 Citations (Scopus)

Collapse of a rectangular well in a quasi-two-dimensional granular bed

De Vet, S. J., Yohannes, B., Hill, K. M. & De Bruyn, J. R., Oct 21 2010, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 82, 4, 041304.

Research output: Contribution to journalArticle

beds
Kinetic energy
Aspect Ratio
aspect ratio
Discrete Elements
14 Citations (Scopus)

Granular segregation studies for the development of a radar-based three-dimensional sensing system

Hill, K. M., Fan, Y., Zhang, J., Van Niekerk, C., Zastrow, E., Hagness, S. C. & Bernhard, J. T., Apr 1 2010, In : Granular Matter. 12, 2, p. 201-207 7 p.

Research output: Contribution to journalArticle

radar
Radar
Granular materials
Opacity
retroreflectors
26 Citations (Scopus)
Rheology
particle size distribution
rheology
Particle Size
Time Scales
22 Citations (Scopus)
Segregation
shear
Cell
cells
Gradient
2008
29 Citations (Scopus)

Isolating segregation mechanisms in a split-bottom cell

Hill, K. M. & Fan, Y., Aug 21 2008, In : Physical Review Letters. 101, 8, 088001.

Research output: Contribution to journalArticle

cells
porosity
gradients
gravitation
21 Citations (Scopus)

Kinematics of densely flowing granular mixtures

Hill, K. M. & Zhang, J., Jun 12 2008, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 77, 6, 061303.

Research output: Contribution to journalArticle

Kinematics
kinematics
Boundary Layer
boundary layers
drums
2006
13 Citations (Scopus)

Fluctuating velocity and momentum transfer in dense granular flows

Gioia, G., Ott-Monsivais, S. E. & Hill, K. M., Apr 14 2006, In : Physical Review Letters. 96, 13, 138001.

Research output: Contribution to journalArticle

momentum transfer
strata
stems
slip
kinematics
2005
42 Citations (Scopus)

Effects of end wall friction in rotating cylinder granular flow experiments

Maneval, J. E., Hill, K. M., Smith, B. E., Caprihan, A. & Fukushima, E., Nov 1 2005, In : Granular Matter. 7, 4, p. 199-202 4 p.

Research output: Contribution to journalArticle

rotating cylinders
friction
drums
Friction
Experiments
29 Citations (Scopus)

Moon patterns, sun patterns, and wave breaking in rotating granular mixtures

Hill, K. M., Gioia, G., Amaravadi, D. & Winter, C., Jan 1 2005, In : Complexity. 10, 4, p. 79-86 8 p.

Research output: Contribution to journalArticle

moon
drums
sun
granular materials
sands
2004
44 Citations (Scopus)

Radial segregation patterns in rotating granular mixtures: Waviness selection

Hill, K. M., Gioia, G. & Amaravadi, D., Nov 29 2004, In : Physical Review Letters. 93, 22, 22430l.

Research output: Contribution to journalArticle

drums
natural satellites
beads
cut-off
geometry
2003
49 Citations (Scopus)

Structure and Kinematics in Dense Free-Surface Granular Flow

Hill, K. M., Gioia, G. & Tota, V. V., Aug 8 2003, In : Physical Review Letters. 91, 6

Research output: Contribution to journalArticle

kinematics
liquid flow
stratification
boundary layers
diffusion coefficient
2001
34 Citations (Scopus)

Modes of granular segregation in a noncircular rotating cylinder

Hill, K. M., Jain, N. & Ottino, J. M., Jul 2001, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 64, 1 Part 1, p. 1-4 4 p., 011302.

Research output: Contribution to journalArticle

rotating cylinders
Segregation
Rotating
Time Dependence
time dependence
1999
93 Citations (Scopus)

Magnetic-field-induced optical transmittance in colloidal suspensions

Martin, J. E., Hill, K. M. & Tigges, C. P., Jan 1 1999, In : Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. 59, 5, p. 5676-5692 17 p.

Research output: Contribution to journalArticle

Colloidal Suspensions
Transmittance
colloids
transmittance
Magnetic Field
30 Citations (Scopus)

Mixing of granular materials: A test-bed dynamical system for pattern formation

Hill, K. M., Gilchrist, J. F., Ottino, J. M., Khakhar, D. V. & McCarthy, J. J., Aug 1999, In : International Journal of Bifurcation and Chaos in Applied Sciences and Engineering. 9, 8, p. 1467-1484 18 p.

Research output: Contribution to journalArticle

Granular Materials
Granular materials
Self-organization
Pattern Formation
Testbed
123 Citations (Scopus)

Segregation-driven organization in chaotic granular flows

Hill, K. M., Khakhar, D. V., Gilchrist, J. F., McCarthy, J. J. & Ottino, J. M., Oct 12 1999, In : Proceedings of the National Academy of Sciences of the United States of America. 96, 21, p. 11701-11706 6 p.

Research output: Contribution to journalArticle

1997
71 Citations (Scopus)
Granular Media
drums
Segregation
Charge-coupled Device
axes of rotation
173 Citations (Scopus)

Bulk segregation in rotated granular material measured by magnetic resonance imaging

Hill, K. M., Caprihan, A. & Kakalios, J., Jan 1 1997, In : Physical Review Letters. 78, 1, p. 50-53 4 p.

Research output: Contribution to journalArticle

granular materials
magnetic resonance
1995

Reversible axial segregation in rotating granular media

Hill, K. M., Yarusso, L. & Kakalios, J., Jan 1 1995, In : Materials Research Society Symposium - Proceedings. 367, p. 507-512 6 p.

Research output: Contribution to journalArticle

axes of rotation
drums
Binary mixtures
beads
binary mixtures
135 Citations (Scopus)

Reversible axial segregation of rotating granular media

Hill, K. M. & Kakalios, J., Jan 1 1995, In : Physical Review E. 52, 4, p. 4393-4400 8 p.

Research output: Contribution to journalArticle

Granular Media
Segregation
Rotating
Mixed State
axes of rotation
1994
131 Citations (Scopus)

Reversible axial segregation of binary mixtures of granular materials

Hill, K. M. & Kakalios, J., Jan 1 1994, In : Physical Review E. 49, 5

Research output: Contribution to journalArticle

Granular Materials
granular materials
Binary Mixtures
Segregation
binary mixtures
1993
5 Citations (Scopus)

Focusing a beam of ultracold spin-polarized hydrogen atoms with a helium-film-coated quasiparabolic mirror

Luppov, V. G., Kaufman, W. A., Hill, K. M., Raymond, R. S. & Krisch, A. D., Jan 1 1993, In : Physical Review Letters. 71, 15, p. 2405-2408 4 p.

Research output: Contribution to journalArticle

helium film
hydrogen atoms
mirrors
gradients
solenoids