All Stories

  1. Global organization of three-dimensional, volume-preserving flows: Constraints, degenerate points, and Lagrangian structure

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, March 2020, American Institute of Physics

    Professor Devang Khakhar

  2. Analysis of granular rheology in a quasi-two-dimensional slow flow by means of discrete element method based simulations

    Article • Physics of Fluids, January 2020, American Institute of Physics

    Professor Devang Khakhar

  3. Dense granular flow of mixtures of spheres and dumbbells down a rough inclined plane: Segregation and rheology

    Article • Physics of Fluids, February 2019, American Institute of Physics

    Professor Devang Khakhar

  4. Mechanistic origins of multi-scale reinforcements in segmented polyurethane-clay nanocomposites

    Article • Polymer, September 2014, Elsevier

    Professor Devang Khakhar

  5. Benzyl triphenyl phosphonium chloride as an additive for polyvinylidene fluoride: Melt rheology, crystallization, and electrical properties

    Article • Polymer Engineering & Science, November 2013, Wiley

    Professor Devang Khakhar

  6. Density difference-driven segregation in a dense granular flow

    Article • Journal of Fluid Mechanics, February 2013, Cambridge University Press

    Professor Devang Khakhar

  7. Granular segregation in quasi-2d rectangular bin

    Article • January 2013, American Institute of Physics

    Professor Devang Khakhar

  8. Structure–thermomechanical property correlation of moisture cured poly(urethane-urea)/clay nanocomposite coatings

    Article • Progress in Organic Coatings, November 2012, Elsevier

    Professor Devang Khakhar

  9. Depth Profile of Chemical Composition and Free Volume of Polyurethane-Urea/Clay Nanocomposite

    Article • Materials Science Forum, November 2012, Trans Tech Publications

    Professor Devang Khakhar

  10. Field induced gradient simulations: A high throughput method for computing chemical potentials in multicomponent systems

    Article • The Journal of Chemical Physics, April 2012, American Institute of Physics

    Professor Devang Khakhar

  11. Rheology of binary granular mixtures in the dense flow regime

    Article • Physics of Fluids, November 2011, American Institute of Physics

    Professor Devang Khakhar

  12. Numerical Simulation of the Sedimentation of a Sphere in a Sheared Granular Fluid: A Granular Stokes Experiment

    Article • Physical Review Letters, August 2011, American Physical Society (APS)

    Professor Devang Khakhar

  13. Gradient Monte Carlo simulations: Hard spheres in spatially varying temperature and gravitational fields

    Article • Physical Review E, June 2011, American Physical Society (APS)

    Professor Devang Khakhar

  14. Phase transformation and enhancement of toughness in polyvinylidene fluoride by onium salts

    Article • Journal of Polymer Science Part B Polymer Physics, June 2011, Wiley

    Professor Devang Khakhar

  15. Fluidization characteristics of lithium-titanate in gas-solid fluidized bed

    Article • Fusion Engineering and Design, June 2011, Elsevier

    Professor Devang Khakhar, Dr D Mandal

  16. Radial segregation of ternary granular mixtures in rotating cylinders

    Article • Granular Matter, March 2011, Springer Science + Business Media

    Professor Devang Khakhar

  17. Rheology and Mixing of Granular Materials

    Article • Macromolecular Materials and Engineering, February 2011, Wiley

    Professor Devang Khakhar

  18. Clay nanoplatelet induced morphological evolutions during polymeric foaming

    Article • Soft Matter, January 2011, Royal Society of Chemistry

    Professor Devang Khakhar

  19. Structural Investigations of Polyurethane-Urea∕Clay Nanocomposites

    Article • January 2011, American Institute of Physics

    Professor Devang Khakhar

  20. Mixing of granular material in rotating cylinders with noncircular cross-sections

    Article • Physics of Fluids, October 2010, American Institute of Physics

    Professor Devang Khakhar

  21. Studies on α to β phase transformations in mechanically deformed PVDF films

    Article • Journal of Applied Polymer Science, May 2010, Wiley

    Professor Devang Khakhar

  22. Steady flow of smooth, inelastic particles on a bumpy inclined plane: Hard and soft particle simulations

    Article • Physical Review E, April 2010, American Physical Society (APS)

    Professor Devang Khakhar

  23. Reinforcement Mechanism Of Polyurethane-Urea∕Clay Nanocomposites Probed By Positron Annihilation Lifetime Spectroscopy And Dynamic Mechanical Analysis

    Article • January 2010, American Institute of Physics

    Professor Devang Khakhar

  24. Modeling the dynamics of reactive foaming and film thinning in polyurethane foams

    Article • AIChE Journal, October 2009, Wiley

    Professor Devang Khakhar

  25. Phosphonium‐based layered silicate—Poly(ethylene terephthalate) nanocomposites: Stability, thermal and mechanical properties

    Article • Journal of Applied Polymer Science, April 2009, Wiley

    Professor Devang Khakhar

  26. Formation and characterization of polyurethane-vermiculite clay nanocomposite foams

    Article • Polymer Engineering & Science, September 2008, Wiley

    Professor Devang Khakhar

  27. Experimental evidence for a description of granular segregation in terms of the effective temperature

    Article • EPL (Europhysics Letters), August 2008, Institute of Physics Publishing

    Professor Devang Khakhar

  28. Studies on poly(vinylidene fluoride)–clay nanocomposites: Effect of different clay modifiers

    Article • Polymer, July 2008, Elsevier

    Professor Devang Khakhar

  29. Granular flow in rotating cylinders with noncircular cross sections

    Article • Physical Review E, April 2008, American Physical Society (APS)

    Professor Devang Khakhar

  30. Stretching induced phase transformations in melt extruded poly(vinylidene fluoride) cast films: Effect of cast roll temperature and speed

    Article • Polymer Engineering & Science, November 2007, Wiley

    Professor Devang Khakhar

  31. Effect of monomer temperature on foaming and properties of flexible polyurethane foams

    Article • Journal of Applied Polymer Science, May 2007, Wiley

    Professor Devang Khakhar

  32. Reticulated vitreous carbon from polyurethane foam–clay composites

    Article • Carbon, March 2007, Elsevier

    Professor Devang Khakhar

  33. Rheology of surface granular flows

    Article • Journal of Fluid Mechanics, January 2007, Cambridge University Press

    Professor Devang Khakhar

  34. Rigid polyurethane–clay nanocomposite foams: Preparation and properties

    Article • Journal of Applied Polymer Science, December 2006, Wiley

    Professor Devang Khakhar

  35. Polyurethane Foam−Clay Nanocomposites:  Nanoclays as Cell Openers

    Article • Industrial & Engineering Chemistry Research, September 2006, American Chemical Society (ACS)

    Professor Devang Khakhar

  36. Simulation of the percolation of water into rigid polyurethane foams at applied hydraulic pressures

    Article • Polymer Engineering & Science, January 2006, Wiley

    Professor Devang Khakhar

  37. Coalescence in a surfactant‐less emulsion under simple shear flow

    Article • AIChE Journal, October 2005, Wiley

    Professor Devang Khakhar

  38. Radial mixing of granular materials in a rotating cylinder: Experimental determination of particle self-diffusivity

    Article • Physics of Fluids, December 2004, American Institute of Physics

    Professor Devang Khakhar

  39. Regulation of Cell Structure in Water Blown Rigid Polyurethane Foam

    Article • Macromolecular Symposia, September 2004, Wiley

    Professor Devang Khakhar

  40. Solid-Fluid Transition in a Granular Shear Flow

    Article • Physical Review Letters, August 2004, American Physical Society (APS)

    Professor Devang Khakhar

  41. Hydraulic resistance of rigid polyurethane foams. I. Effect of different surfactants on foam structure and properties

    Article • Journal of Applied Polymer Science, July 2004, Wiley

    Professor Devang Khakhar

  42. Hydraulic resistance of rigid polyurethane foams. III. Effect of variation of the concentration of catalysts on foam structure and properties

    Article • Journal of Applied Polymer Science, July 2004, Wiley

    Professor Devang Khakhar

  43. Hydraulic resistance of rigid polyurethane foams. II. Effect of variation of surfactant, water, and nucleating agent concentrations on foam structure and properties

    Article • Journal of Applied Polymer Science, July 2004, Wiley

    Professor Devang Khakhar

  44. Sensitivity of granular segregation of mixtures in quasi-two-dimensional fluidized layers

    Article • Physical Review E, March 2004, American Physical Society (APS)

    Professor Devang Khakhar

  45. Segregation of granular materials in rotating cylinders

    Article • Physica A Statistical Mechanics and its Applications, February 2003, Elsevier

    Professor Devang Khakhar

  46. Surface Granular Flows: Two Related Examples

    Article • January 2003, World Scientific Pub Co Pte Lt

    Professor Devang Khakhar

  47. Scaling of granular flow processes: From surface flows to design rules

    Article • AIChE Journal, October 2002, Wiley

    Professor Devang Khakhar

  48. Open problems in active chaotic flows: Competition between chaos and order in granular materials

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, June 2002, American Institute of Physics

    Professor Devang Khakhar

  49. SURFACE GRANULAR FLOWS: TWO RELATED EXAMPLES

    Article • Advances in Complex Systems, December 2001, World Scientific Pub Co Pte Lt

    Professor Devang Khakhar

  50. Fundamental research in heaping, mixing, and segregation of granular materials: challenges and perspectives

    Article • Powder Technology, November 2001, Elsevier

    Professor Devang Khakhar

  51. Mixing of viscous immiscible liquids. Part 1: Computational models for strong–weak and continuous flow systems

    Article • Chemical Engineering Science, October 2001, Elsevier

    Professor Devang Khakhar

  52. Mixing of viscous immiscible liquids. Part 2: Overemulsification—interpretation and use

    Article • Chemical Engineering Science, October 2001, Elsevier

    Professor Devang Khakhar

  53. Scaling relations for granular flow in quasi-two-dimensional rotating cylinders

    Article • August 2001, American Physical Society (APS)

    Professor Devang Khakhar

  54. Surface flow of granular materials: model and experiments in heap formation

    Article • Journal of Fluid Mechanics, August 2001, Cambridge University Press

    Professor Devang Khakhar

  55. Continuum model of mixing and size segregation in a rotating cylinder: concentration-flow coupling and streak formation

    Article • Powder Technology, May 2001, Elsevier

    Professor Devang Khakhar

  56. Self-Organization in Granular Slurries

    Article • Physical Review Letters, April 2001, American Physical Society (APS)

    Professor Devang Khakhar

  57. Coalescence in Surfactant-Stabilized Emulsions Subjected to Shear Flow

    Article • Langmuir, April 2001, American Chemical Society (ACS)

    Professor Devang Khakhar

  58. Polymerization kinetics of rodlike molecules under quiescent conditions

    Article • AIChE Journal, January 2001, Wiley

    Professor Devang Khakhar

  59. Flow enhanced diffusion-limited polymerization of rodlike molecules

    Article • The Journal of Chemical Physics, January 2001, American Institute of Physics

    Professor Devang Khakhar

  60. Acceleration of the Polymerization of Rodlike Molecules by Flow

    Article • Journal of the American Chemical Society, October 2000, American Chemical Society (ACS)

    Professor Devang Khakhar

  61. Chaotic mixing in a bounded three-dimensional flow

    Article • Journal of Fluid Mechanics, August 2000, Cambridge University Press

    Professor Devang Khakhar

  62. Computational studies of granular mixing

    Article • Powder Technology, April 2000, Elsevier

    Professor Devang Khakhar

  63. Mixing and Segregation of Granular Materials

    Article • Annual Review of Fluid Mechanics, January 2000, Annual Reviews

    Professor Devang Khakhar

  64. Signatures of Chaos in 2D Tumbling Mixers

    Article • January 2000, Springer Science + Business Media

    Professor Devang Khakhar

  65. Segregation-driven organization in chaotic granular flows

    Article • Proceedings of the National Academy of Sciences, October 1999, Proceedings of the National Academy of Sciences

    Professor Devang Khakhar

  66. Suppression of Coalescence in Surfactant Stabilized Emulsions by Shear Flow

    Article • Physical Review Letters, September 1999, American Physical Society (APS)

    Professor Devang Khakhar

  67. Mixing and segregation of granular materials in chute flows

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, September 1999, American Institute of Physics

    Professor Devang Khakhar

  68. MIXING OF GRANULAR MATERIALS: A TEST-BED DYNAMICAL SYSTEM FOR PATTERN FORMATION

    Article • International Journal of Bifurcation and Chaos, August 1999, World Scientific Pub Co Pte Lt

    Professor Devang Khakhar

  69. Chaotic mixing of granular materials in two-dimensional tumbling mixers

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, March 1999, American Institute of Physics

    Professor Devang Khakhar

  70. Polymerization of rodlike molecules

    Article • January 1999, Elsevier

    Professor Devang Khakhar

  71. Formation of integral skin polyurethane foams

    Article • Polymer Engineering & Science, January 1999, Wiley

    Professor Devang Khakhar

  72. Mixing and Dispersion of Viscous Liquids and Powdered Solids

    Article • January 1999, Elsevier

    Professor Devang Khakhar

  73. Internal avalanches in a granular medium

    Article • December 1998, American Physical Society (APS)

    Professor Devang Khakhar

  74. Dispersion of solids in nonhomogeneous viscous flows

    Article • Chemical Engineering Science, May 1998, Elsevier

    Professor Devang Khakhar

  75. Brownian dynamics simulation of diffusion-limited polymerization of rodlike molecules: Anisotropic translation diffusion

    Article • The Journal of Chemical Physics, April 1998, American Institute of Physics

    Professor Devang Khakhar

  76. Structure Formation in Suspensions with a Liquid Crystalline Medium:  Percolation Phenomena

    Article • Langmuir, March 1998, American Chemical Society (ACS)

    Professor Devang Khakhar

  77. Radial segregation of granular mixtures in rotating cylinders

    Article • Physics of Fluids, December 1997, American Institute of Physics

    Professor Devang Khakhar

  78. Brownian dynamics simulation of diffusion-limited polymerization of rodlike molecules: Isotropic translational diffusion

    Article • The Journal of Chemical Physics, August 1997, American Institute of Physics

    Professor Devang Khakhar

  79. Brownian dynamics simulations of diffusion controlled reactions with finite reactivity

    Article • The Journal of Chemical Physics, August 1997, American Institute of Physics

    Professor Devang Khakhar

  80. A Simple Model for Granular Convection

    Article • Physical Review Letters, August 1997, American Physical Society (APS)

    Professor Devang Khakhar

  81. Mechanical properties of simultaneous interpenetrating polymer networks of castor oil based polyurethane and polystyrene

    Article • Polymer, August 1997, Elsevier

    Professor Devang Khakhar

  82. RAINING OF PARTICLES FROM AN EMULSION-GAS INTERFACE IN A FLUIDIZED BED

    Article • Chemical Engineering Communications, July 1997, Taylor & Francis

    Professor Devang Khakhar

  83. Modeling of industrial styrene polymerization reactors

    Article • Polymer Engineering & Science, June 1997, Wiley

    Professor Devang Khakhar

  84. Role of voids in granular convection

    Article • May 1997, American Physical Society (APS)

    Professor Devang Khakhar

  85. Transverse flow and mixing of granular materials in a rotating cylinder

    Article • Physics of Fluids, January 1997, American Institute of Physics

    Professor Devang Khakhar

  86. Rheology of a gas-fluidized bed

    Article • Powder Technology, April 1995, Elsevier

    Professor Devang Khakhar

  87. Packing of Mutually Interacting Powder Particles under Gravity

    Article • Solid State Phenomena, April 1995, Trans Tech Publications

    Professor Devang Khakhar

  88. Optimization of the structure of integral skin foams for maximal flexural properties

    Article • Polymer Engineering & Science, May 1994, Wiley

    Professor Devang Khakhar

  89. Modeling of the dynamics of R‐11 blown polyurethane foam formation

    Article • Polymer Engineering & Science, April 1994, Wiley

    Professor Devang Khakhar

  90. Modeling of the Dynamics of Water and R‐11 blown polyurethane foam formation

    Article • Polymer Engineering & Science, April 1994, Wiley

    Professor Devang Khakhar

  91. Jet impingement mixing in an L‐type mixhead: Comparison of mixing criteria

    Article • Polymer Engineering & Science, December 1993, Wiley

    Professor Devang Khakhar

  92. Competition effects in surface diffusion controlled reactions: Theory and Brownian dynamics simulations

    Article • The Journal of Chemical Physics, December 1993, American Institute of Physics

    Professor Devang Khakhar

  93. Simulation of diffusion-limited step-growth polymerization in 2D: Effect of shear flow and chain rigidity

    Article • The Journal of Chemical Physics, August 1993, American Institute of Physics

    Professor Devang Khakhar

  94. Diffusion-limited polymerization of rigid rodlike molecules: Semidilute solutions

    Article • The Journal of Chemical Physics, July 1993, American Institute of Physics

    Professor Devang Khakhar

  95. Shear flow induced orientation development during homogeneous solution polymerization of rigid rodlike molecules

    Article • Macromolecules, July 1993, American Chemical Society (ACS)

    Professor Devang Khakhar

  96. A Simple Method for Studying the Dynamics of Rigid Polyurethane Foam Formation

    Article • Journal of Cellular Plastics, May 1993, SAGE Publications

    Professor Devang Khakhar

  97. Enhancement of polymerization rates for rigid rod-like molecules by shearing

    Article • Nature, November 1992, Springer Science + Business Media

    Professor Devang Khakhar

  98. Reduction in gravity-induced collision frequencies of particles dispersed in a viscoplastic fluid

    Article • Journal of Colloid and Interface Science, October 1992, Elsevier

    Professor Devang Khakhar

  99. Diffusion-limited polymerization of rigid rodlike molecules: Dilute solutions

    Article • The Journal of Chemical Physics, May 1992, American Institute of Physics

    Professor Devang Khakhar

  100. Axial transport of granular solids in horizontal rotating cylinders. Part 1: Theory

    Article • Powder Technology, August 1991, Elsevier

    Professor Devang Khakhar

  101. Axial transport of granular solids in rotating cylinders. Part 2: Experiments in a non-flow system

    Article • Powder Technology, August 1991, Elsevier

    Professor Devang Khakhar

  102. Chaotic mixing of a viscous fluid in a screw impeller mixer

    Article • Physics of Fluids A Fluid Dynamics, May 1991, American Institute of Physics

    Professor Devang Khakhar

  103. Axial segregation of particles in a horizontal rotating cylinder

    Article • Chemical Engineering Science, January 1991, Elsevier

    Professor Devang Khakhar

  104. Collision rates in chaotic flows: Dilute suspensions

    Article • Physical Review A, November 1990, American Physical Society (APS)

    Professor Devang Khakhar

  105. Breakup of liquid threads in linear flows

    Article • International Journal of Multiphase Flow, January 1987, Elsevier

    Professor Devang Khakhar

  106. A case study of chaotic mixing in deterministic flows: The partitioned-pipe mixer

    Article • Chemical Engineering Science, January 1987, Elsevier

    Professor Devang Khakhar

  107. Analysis of chaotic mixing in two model systems

    Article • Journal of Fluid Mechanics, November 1986, Cambridge University Press

    Professor Devang Khakhar

  108. Fluid mixing (stretching) by time periodic sequences for weak flows

    Article • The Physics of Fluids, November 1986, American Institute of Physics

    Professor Devang Khakhar

  109. Deformation and breakup of slender drops in linear flows

    Article • Journal of Fluid Mechanics, May 1986, Cambridge University Press

    Professor Devang Khakhar

  110. A note on the linear vector model of Olbricht, Rallison, and Leal as applied to the breakup of slender axisymmetric drops

    Article • Journal of Non-Newtonian Fluid Mechanics, January 1986, Elsevier

    Professor Devang Khakhar

  111. FLUIDIZED BED ADSORBER MODELLING AND EXPERIMENTAL STUDY

    Article • Chemical Engineering Communications, March 1983, Taylor & Francis

    Professor Devang Khakhar