PEOPLE Postdoctoral Fellow (Former)
Dept. of Chemical Engineering, Indian Institute of Technology Bombay
Area of Research:  Turbulence, Interfacial Instability, Fluid Dynamics

Education:

BTech in Chemical Engineering, VIT University Vellore (2011)
PhD in Chemical Engineering, Indian Institute of Technology Madras (2017)
Fulbright-Nehru fellow at the Dept. of Chemical Engineering, University of Florida (2015-2016)
Click here for my PhD thesis

Research Interests:

  • Particles and Filaments in Turbulence:
    transport, settling, collision-coalescence, role of flow structures

  • Multiphase Micro-Flows:
    instabilities in layered flows, mixing and transport, surfactants, elastic membranes

  • Patterns and Flows in Biology:
    Insect nest structures, active flows in the cell cortex, pulmonary mucus dynamics

  • Fundamental Questions in Pattern Formation:
    pattern selection, multi-scale interaction of instability modes, transient base states

  • Reduced-order Modelling of Transport Phenomena:
    center-manifold/Lyapunov-Schmidt reduction, weighted-residual methods

Publications:

Click here for a full list of publications on Google Scholar

  1. Flow structures govern particle collisions in turbulence
    Jason R. Picardo, L. Agasthya, R. Govindarajan and S. S. Ray,
    Physical Review Fluids (Rapid), 4, 032601, 2019

  2. Understanding droplet collisions through a model flow: Insights from a Burgers vortex
    L. Agasthya, Jason R. Picardo, S. Ravichandran, R. Govindarajan and S. S. Ray,
    Physical Review E, 99, 063107, 2019

  3. Preferential sampling of elastic chains in turbulent flows
    Jason R. Picardo, D. Vincenzi, N. Pal and S. S. Ray,
    Physical Review Letters, 121, 244501, 2018

  4. Sliding instability of draining fluid films
    G. Dietze, Jason R. Picardo and R. Narayanan,
    Journal of Fluid Mechanics, 857, 111-141, 2018

  5. Layered two-phase flows in microchannels with arbitrary interface-wall contact angles
    R. Dandekar, Jason R. Picardo and S. Pushpavanam,
    Chemical Engineering Science, 192, 1058-1070, 2018

  6. Interfacial pattern selection in defiance of linear growth
    Jason R. Picardo and R. Narayanan,
    Journal of Fluid Mechanics, 829, 345-363, 2017

  7. Numerical study of enhanced mixing in pressure-driven flows in microchannels using a spatially periodic electric field
    T. Krishnaveni, T. Renganathan, Jason R. Picardo and S. Pushpavanam,
    Physical Review E, 96(3), 033117, 2017

  8. Solutal Marangoni instability in layered two-phase flows
    Jason R. Picardo, Radhakrishna T.G. and S. Pushpavanam,
    Journal of Fluid Mechanics, 793, 280-315, 2016

  9. Centrifugal instability of stratified two-phase flow in a curved channel
    Jason R. Picardo, P. Garg and S. Pushpavanam,
    Physics of Fluids, 27, 054106, 2015

  10. Low Dimensional Modeling of Transport and Reactions in Two-Phase Stratified Flow
    Jason R. Picardo and S. Pushpavanam,
    Industrial and Engineering Chemistry Research, 54 (42), 10481–10496, 2015

  11. Laterally stratified flow in a curved microchannel
    Jason R. Picardo and S. Pushpavanam,
    International Journal of Multiphase Flow, 75, 39–53, 2015

  12. Understanding the Shape of Ant Craters: A Continuum Model
    Jason R. Picardo and S. Pushpavanam,
    Bulletin of Mathematical Biology, 77 (3) 470–487, 2015

  13. Chaotic mixing in a planar, curved channel using periodic slip
    P. Garg, Jason R. Picardo and S. Pushpavanam,
    Physics of Fluids, 27, 032004, 2015

  14. Modeling Extraction in Microchannels with Stratified Flow: Channel Geometry, Flow Configuration and Marangoni Stresses
    Jason R. Picardo, Radhakrishna T.G., A. B. Vir, S. Ramji and S. Pushpavanam,
    Indian Chemical Engineer, 57 (3-4), 322-358, 2015

  15. Vertically stratified two-phase flow in a curved channel: Insights from a domain perturbation analysis
    P. Garg, Jason R. Picardo and S. Pushpavanam,
    Physics of Fluids, 26, 073604, 2014

  16. Shifting and breakup instabilities of squeezed elliptic jets
    D. S. Pillai, Jason R. Picardo and S. Pushpavanam,
    International Journal of Multiphase Flow, 67, 189–199, 2014

  17. Performance Comparison of Liquid-Liquid Extraction in Parallel Microflows
    A. B. Vir, A. S. Fabiyan,, Jason R. Picardo and S. Pushpavanam,
    Industrial and Engineering Chemistry Research, 53(19), 8171-8181, 2014

  18. Holdup characteristics of two-phase parallel microflows
    A. B. Vir, S. R. Kulkarni,, Jason R. Picardo, A. Sahu and S. Pushpavanam,
    Microfludics and Nanofluidics, 16, 1057-1067, 2014

  19. Core-annular two-phase flow in a gently curved circular channel
    Jason R. Picardo and S. Pushpavanam,
    AIChE Journal, 59, 12: 4871-4886, 2013

  20. On the conditional superiority of counter-current over co-current extraction in microchannels
    Jason R. Picardo and S. Pushpavanam,
    Microfludics and Nanofluidics, 15, 5: 701-713, 2013

  21. The Merkel equation revisited: A novel method to compute the packed height of a cooling tower
    Jason R. Picardo and J. E. Variyar,
    Energy Conversion and Management, 57: 167-172, 2012

Click here for my Google Scholar page.