Paul Grassia

Research output

Content available in repository 1995 2009 2011 2013 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

• 97 Article
• 1 Meeting Abstract
• 1 Comment/Letter to the editor
• 1 Special issue

Content available in repository

Content available in repository

Search results

• 2014

  Analysis of a Model for Foam Improved Oil Recovery

  Grassia, P. (Corresponding author), Mas-Hernández, E., Shokri, N., Cox, S. J., Mishuris, G. & Rossen, W. R., 2014, In: Journal of Fluid Mechanics. 751, p. 346-405 60 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Sharp Corner 100%
  • Oil Recovery 100%
  • Singularities 75%
  • Numerical Scheme 75%
  • Concavity 50%
  46 Citations (Scopus)

• Effects of Aggregate Densification upon Thickening of Kynchian Suspensions

  Grassia, P. (Corresponding author), Zhang, Y., Martin, A. D., Usher, S. P., Scales, P. J., Crust, A. & Spehar, R., 24 May 2014, In: Chemical Engineering Science. 111, p. 56-72 17 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Densification 100%
  • Solid Fraction 80%
  • Thickener 80%
  9 Citations (Scopus)

• The Influence of Inertia and Contact Angle on the Instability of Partially Wetting Liquid Strips. A Numerical Analysis Study

  Ubal, S., Grassia, P., Campana, D. M., Giavedoni, M. D. & Saita, F. A., 2014, In: Physics of Fluids. 26, 032106.

  Research output: Contribution to journal › Article › Academic › peer-review
  11 Citations (Scopus)
• 2013

  Diffusion of Curvature on a Sheared Semi-Infinite Film

  Satomi, R., Grassia, P. (Corresponding author), Cox, S. J., Mishuris, G. & Lue, L., 8 Nov 2013, In: Proceedings of the Royal Society of London, Series A: Mathematical, Physical and Engineering Sciences. 469, 2159, 18 p., 20130359.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Approximates 100%
  • Asymptotics 100%
  • Finite Length 100%
  • Perpendicularity 100%
  • Drag Coefficient 100%
  5 Citations (Scopus)

• Mathematical Modelling of Time-dependent Densified Thickeners

  Zhang, Y., Martin, A. D. & Grassia, P. (Corresponding author), Aug 2013, In: Chemical Engineering Science. 99, p. 103-112 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Densification 100%
  • Volume Fraction 100%
  • Dewatering 100%
  • Sludge 80%
  7 Citations (Scopus)

• Modelling Relaxation Following T1 Transformations of Foams Incorporating Surfactant Mass Transfer by the Marangoni Effect

  Satomi, R., Grassia, P. & Oguey, C., 5 Dec 2013, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 438, p. 77-84 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Surface Active Agent 100%
  • Surfactant 100%
  • Film 85%
  • Surfactant System 40%
  • Surface Tension 28%
  11 Citations (Scopus)

• Prediction of Thickener Performance with Aggregate Densification

  Zhang, Y., Martin, A. D. & Grassia, P. (Corresponding author), Sept 2013, In: Chemical Engineering Science. 101, p. 346-358 13 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Thickener 100%
  • Densification 100%
  • Volume Fraction 100%
  • Dewatering 100%
  • Rheology 50%
  17 Citations (Scopus)

• Simulation of Dynamics of Adsorption of Mixed Protein-Surfactant on a Bubble Surface

  Vitasari, D., Grassia, P. (Corresponding author) & Martin, P., 5 Dec 2013, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 438, p. 63-73 11 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  21 Citations (Scopus)

• Surfactant Transport onto a Foam Lamella

  Vitasari, D., Grassia, P. (Corresponding author) & Martin, P. J., 11 Oct 2013, In: Chemical Engineering Science. 102, p. 405-423 19 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Surfactant 100%
  • Surface Active Agent 100%
  • Film 91%
  • Marangoni Flow 25%
  • Computer Simulation 16%
  25 Citations (Scopus)
• 2012

  A Princen Hexagonal Foam Out of Physicochemical Equilibrium

  Grassia, P. (Corresponding author), Embley, B. & Oguey, C., 2012, In: Journal of Rheology. 56, p. 501-526 26 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Surfactant 100%
  • Film 100%
  • Two Dimensional 50%
  • Shear Deformation 50%
  • Rheology 50%
  14 Citations (Scopus)

• Continuous deposition of a liquid thread onto a moving substrate. Numerical analysis and comparison with experiments

  Ubal, S., Xu, B., Derby, B. & Grassia, P., 2012, In: Journal of Fluids Engineering : Transactions of the ASME. 134, 2, 17 p., 021301.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Flow Rate 100%
  • Moving Substrate 100%
  • Computer Simulation 33%
  • Good Agreement 33%
  • State Solution 33%
  11 Citations (Scopus)

• Relaxation of the Topological T1 Process in a Two-Dimensional Foam

  Grassia, P. (Corresponding author), Oguey, C. & Satomi, R., 2012, In: European Physical Journal E. 35, 12 p., 64.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Film 100%
  • Surface Active Agent 40%
  12 Citations (Scopus)
• 2011

  Characterisation, Modification and Mathematical Modelling of Sudsing

  Ran, L., Jones, S. A., Embley, B., Tong, M. M., Garrett, P. R., Cox, S. J., Grassia, P. (Corresponding author) & Neethling, S. J., Jun 2011, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 382, 1-3, p. 50-57 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Mathematical Modeling 100%
  • Surfactant 100%
  • Failure Rate 100%
  • Film 100%
  • Flow Field 66%
  9 Citations (Scopus)

• Closed-form Solutions for Batch Settling Height from Model Settling Flux Functions

  Grassia, P. (Corresponding author), Usher, S. P. (Corresponding author) & Scales, P. J. (Corresponding author), 1 Mar 2011, In: Chemical Engineering Science. 66, 5, p. 964-972 9 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Solid Fraction 100%
  • Closed Form Solution 100%
  • Hindered Settling 100%
  • Straight Line 100%
  • Settling Velocity 100%
  24 Citations (Scopus)

• Reprint of Numerical Simulation of Multi-component Mass Transfer in Rigid or Circulating Drops: Multi-component Effects Even in the Presence of Weak Coupling

  Ubal, S. (Corresponding author), Grassia, P. (Corresponding author), Harrison, C. H. (Corresponding author) & Korchinsky, W. J. (Corresponding author), 5 Jun 2011, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 382, 1-3, p. 251-260 10 p.

  Research output: Contribution to journal › Special issue › Academic › peer-review

  • Computer Simulation 100%
  • Concentration Difference 100%
  • Diffusion 100%
  • Drop Surface 66%
  • Mass Fraction 66%
  2 Citations (Scopus)

• Reprint of Numerical Simulation of Multi-component Mass Transfer in Rigid or Circulating Drops: Multi-component Effects Even in the Presence of Weak Coupling

  Ubal, S. (Corresponding author), Grassia, P. (Corresponding author), Harrison, C. H. (Corresponding author) & Korchinsky, W. J. (Corresponding author), 5 Jun 2011, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 382, 1-3, p. 251-260 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Computer Simulation 100%
  • Concentration Difference 100%
  • Diffusion 100%
  • Drop Surface 66%
  • Mass Fraction 66%
  2 Citations (SciVal)

• Viscous Froth Simulations with Surfactant Mass Transfer and Marangoni Effects: Deviations from Plateau's Rules

  Embley, B. & Grassia, P. (Corresponding author), 5 Jun 2011, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 382, 1-3, p. 8-17 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Marangoni Effect 100%
  • Surfactant 100%
  • Surface Active Agent 100%
  • Tension Surface 33%
  • Mechanical Equilibrium 33%
  21 Citations (Scopus)
• 2010

  Numerical Simulation of Mass Transfer in Circulating Drops

  Ubal, S., Harrison, C. H., Grassia, P. (Corresponding author) & Korchinsky, W. J., 15 May 2010, In: Chemical Engineering Science. 65, 10, p. 2934-2956 23 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Computer Simulation 100%
  • Streamlines 100%
  • Peclet Number 100%
  • Mass Fraction 75%
  • Simulation Result 50%
  28 Citations (Scopus)

• Preliminary Study on the Self-Patterning and Self-Registration of Metal Electrodes by Exploiting Chemical and Optical Traits of an Organic Silver Compound in Conjunction with Polyaniline

  Shin, D.-Y. & Grassia, P., 2010, In: Journal of Micromechanics and Microengineering. 20, 2, 025030.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Energy Surface 100%
  • Polyaniline 100%
  • Silver Compounds 100%
  • Silver 100%
  • Surface Energy 100%
• 2009

  Collision Statistics in Sheared Inelastic Hard Spheres

  Bannerman, M. N., Green, T. E., Grassia, P. & Lue, L. (Corresponding author), 2009, In: Physical Review E. 79, 10 p., 041308.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Statistics 100%
  • Hard Spheres 100%
  • Molecular Dynamics 100%
  • Monte Carlo Simulation 100%
  • Velocity Distribution 75%
  5 Citations (Scopus)

• Multicomponent Mass Transfer in Films and Rigid Drops: the Influence of Concentration-Variable Diffusivity

  Korchinsky, W. J., Grassia, P. (Corresponding author) & Harrison, C. H., Feb 2009, In: Chemical Engineering Science. 64, 3, p. 433-442 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Diffusivity 100%
  • Diffusion 100%
  • Internals 12%
  • Concentration Gradient 12%
  • Mass Transfer 12%
  9 Citations (Scopus)

• Strain and Liquid Content of Sheared Stretching Foams: A Model for Dynamic Dilatancy

  Embley, B. (Corresponding author) & Grassia, P., 20 Jul 2009, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 344, p. 24-32 9 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Dilatancy 100%
  • Osmosis 100%
  • Dry Region 40%
  • Liquid Fraction 20%
  • Shear Rate 20%
  3 Citations (Scopus)

• Viscous Froth Model for a Bubble Staircase Structure Under Rapid Applied Shear: An Analysis of Fast Flowing Foam

  Green, T. E., Grassia, P. (Corresponding author), Lue, L. & Embley, B., Sept 2009, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 348, p. 49-58 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Energy Engineering 100%
  • Energy Systems 100%
  • Shear Rate 100%
  • High Shear Rate 100%
  • Monolayer 100%
  18 Citations (Scopus)
• 2008

  A Foam Film Propagating in a Confined Geometry: Analysis Via the Viscous Froth Model

  Grassia, P. (Corresponding author), Montes-Atenas, G., Lue, L. & Green, T. E., Jan 2008, In: European Physical Journal E. 25, p. 39-49 11 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Side Wall 100%
  • Confined Geometry 100%
  • Bottom Plate 100%
  • Propagation Velocity 100%
  • Confining 50%
  28 Citations (Scopus)

• A Simplified Parameter Extraction Technique Using Batch Settling Data to Estimate Suspension Material Properties in Dewatering Applications

  Grassia, P. (Corresponding author), Usher, S. P. & Scales, P. J., 2008, In: Chemical Engineering Science. 63, p. 1971-1986 16 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Solid Fraction 100%
  • Parameter Extraction Technique 100%
  • Power Law 100%
  • Dewatering 100%
  • Functional Relationship 66%
  28 Citations (Scopus)
• 2007

  A Single Sagging Plateau Border

  Embley, B. (Corresponding author) & Grassia, P., 2007, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 309, p. 20-29 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Linear Elasticity 100%
  • Computer Simulation 50%
  • Single Channel 50%
  • Gravitational Force 50%
  • Direct Application 50%
  5 Citations (Scopus)

• Effects of Volume Conservation on Plateau Border Sag in Foams

  Embley, B. (Corresponding author) & Grassia, P., 2007, In: Philosophical Magazine. 87, p. 5697-5718 22 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Good Agreement 100%
  • Bubble Size 100%
  • Convective 100%
  • Stability of Foam 100%
  • Collapse Structure 100%
  3 Citations (Scopus)
• 2006

  Mechanisms for the Onset of Convective Instability in Foams

  Embley, B. (Corresponding author) & Grassia, P., 2006, In: Philosophical Magazine Letters. 86, 6, p. 385-394 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  13 Citations (Scopus)

• The Growth, Drainage and Bursting of Foams

  Grassia, P. (Corresponding author), Neethling, S. J., Cervantes, C. & Lee, H. T., 2006, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 274, p. 110-124 15 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Ultimate Tensile Strength 100%
  • Capillary Suction 100%
  • Froth Stability 100%
  • Tensile Strength 100%
  • Border Region 100%
  43 Citations (Scopus)

• Viscous Froth Lens

  Green, T. E., Bramley, A., Lue, L. & Grassia, P. (Corresponding author), 2006, In: Physical Review E. 74, 25 p., 051403.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Backpressure 100%
  • Channel Wall 66%
  • Computer Simulation 33%
  • Dynamical Behavior 33%
  • Two Dimensional 33%
  31 Citations (Scopus)
• 2005

  Oscillatory Incompressible Fluid Flow in a Tapered Tube with a Free Surface in an Inkjet Print Head

  Shin, D.-Y., Grassia, P. & Derby, B., 2005, In: Journal of Fluids Engineering : Transactions of the ASME. 127, 1, p. 98-109 12 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Free Surface 100%
  • Oscillatory 100%
  • Fluid Flow 100%
  • Incompressible Fluid 100%
  • Computer Simulation 50%
  29 Citations (Scopus)

• Quasi-one-dimensional and Two-dimensional Drainage of Foam

  Grassia, P. (Corresponding author) & Neethling, S. J., Aug 2005, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 263, 1-3, p. 165-177 13 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • One Dimensional 100%
  • Two Dimensional 100%
  • Border Region 100%
  • Froth Flotation 100%
  • Bubble Size 33%
  11 Citations (Scopus)

• The Growth, Drainage and Breakdown of Foams

  Neethling, S. J. (Corresponding author), Lee, H. T. & Grassia, P., Aug 2005, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 263, 1-3, p. 184-196 13 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Critical Pressure 100%
  • Film 100%
  • Linear Relationship 50%
  • Assuming 50%
  79 Citations (Scopus)
• 2004

  Boron Removal from Produced Water by Facilitated Ion Transfer

  Pieruz, G., Grassia, P. & Dryfe, R. A. W., Aug 2004, In: Desalination. 167, p. 417 1 p.

  Research output: Contribution to journal › Meeting Abstract › Academic
  10 Citations (Scopus)

• Iterative Approach to Weir Drainage

  Grassia, P. (Corresponding author) & Neethling, S. J., Oct 2004, In: Chemical Engineering Science. 59, 20, p. 4349-4359 11 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  4 Citations (Scopus)

• Numerical and Experimental Comparisons of Mass Transport Rate in a Piezoelectric Drop-On-Demand Inkjet Print Head

  Shin, D.-Y., Grassia, P. & Derby, B., Feb 2004, In: International Journal of Mechanical Sciences. 46, 2, p. 181-199 19 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  46 Citations (Scopus)
• 2003

  Oscillatory Limited Compressible Fluid Flow Induced by the Radial Motion of a Thick-walled Piezoelectric Tube

  Shin, D.-Y., Grassia, P. & Derby, B., 2003, In: Journal of the Acoustical Society of America. 114, 3, p. 1314-1321 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  26 Citations (Scopus)

• Vertex interactions and film shapes in two-dimensional foam

  Grassia, P., 2003, In: Philosophical Magazine Letters. 83, 6, p. 403-409 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  2 Citations (Scopus)
• 2002

  A Local Nonlinear Solution as an Approximation to Low-Frequency Spanwise Jitter in Thermoconvective Flows

  Grassia, P. & Richardson, D., 2002, In: Journal of Fluid Mechanics. 469, p. 343-367 25 p.

  Research output: Contribution to journal › Article › Academic › peer-review

• Foam Drainage on a Sloping Weir

  Grassia, P., Neethling, S. J. & Cilliers, J. J., 2002, In: European Physical Journal E. 8, p. 517-529 13 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  16 Citations (Scopus)
• 2001

  Dissipation, Fluctuations and Conservation Laws

  Grassia, P., 2001, In: American Journal of Physics. 69, 2, p. 113-119 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  19 Citations (Scopus)

• Quasi-one-dimensional foam drainage

  Grassia, P., Cilliers, J. J., Neethling, S. J. & Ventura-Medina, E., 1 Dec 2001, In: European Physical Journal E. 6, 4, p. 325-348 24 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • One Dimensional 100%
  • Number Density 100%
  • Foam Drainage 100%
  • Border Region 100%
  • Air Flow 66%
  33 Citations (Scopus)

• The Foam Geometry "Paradox"

  Grassia, P., Cilliers, J. J. & Neethling, S. J., 2001, In: Canadian Journal of Physics. 79, 10, p. 1265-1281 17 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  3 Citations (Scopus)
• 2000

  Delay, Feedback and Quenching in Financial Markets

  Grassia, P., 2000, In: European Physical Journal B. 17, p. 347-362 16 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  16 Citations (Scopus)
• 1999

  The Design of a Droplet Ejector

  Grassia, P., 1999, In: Journal of Fluids Engineering : Transactions of the ASME. 121, 3, p. 658-664 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  4 Citations (Scopus)
• 1998

  Buoyant Flows with Low-Frequency Jitter

  Grassia, P. & Homsy, G. M., 1998, In: Physics of Fluids. 10, p. 1903-1923 21 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  6 Citations (Scopus)

• Thermocapillary and Buoyant Flows with Low Frequency Jitter. I. Jitter Confined to the Plane

  Grassia, P. & Homsy, G. M., 1998, In: Physics of Fluids. 10, p. 1273-1290 18 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  14 Citations (Scopus)

• Thermocapillary and Buoyant Flows with Low Frequency Jitter. II. Spanwise Jitter

  Grassia, P. & Homsy, G. M., 1998, In: Physics of Fluids. 10, p. 1291-1314 24 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  11 Citations (Scopus)
• 1996

  Computer Simulations of Polymer Chain Relaxation via Brownian Motion

  Grassia, P. & Hinch, E. J., 1996, In: Journal of Fluid Mechanics. 308, p. 255-288 34 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  93 Citations (Scopus)
• 1995

  Computer Simulations of Brownian Motion of Complex Systems

  Grassia, P., Hinch, E. J. & Nitsche, L. C., 1995, In: Journal of Fluid Mechanics. 282, p. 373-403 31 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  170 Citations (Scopus)