Vivek V. Buwa
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Our research group is working on advanced measurement techniques, modeling and simulations of multiphase flow processes and their applications to energy, oil & gas, chemical processing, mineral processing applications
 
 
Recent Publications   Research highlights
  • Abhijeet H. Thaker and Vivek V. Buwa, "Separation of Liquid-Liquid Dispersion in a Batch Settler: CFD-PBM Simulations Incorporating Interfacial Coalescence", AIChE journal, Accepted for publication.
  • Sirisha Parvathaneni and Vivek V. Buwa, "Role of Bubbling Behaviour in Segregation and Mixing of Binary Gas-Solids Flow of Particles with Different Density", 2020, Powder Technology, 372, 178-191.
  • Karthik, G. M., and Vivek V. Buwa. "A computational approach for the selection of optimal catalyst shape for solid-catalysed gas-phase reactions", 2020, Reaction Chemistry & Engineering, 5 (1), 163-182.
  • Karthik G. M, and Vivek V. Buwa, "Structure-Resolved CFD Simulations of Different Catalytic Structures in a Packed Bed", 2019 Industrial and Engineering Chemistry Research, 58(49), 22363-22375.
  • Brajesh K. Singh Shantanu Roy, Vivek V. Buwa, "Bubbling/slugging flow behavior in a cylindrical fluidized bed: ECT measurements and two-fluid simulations", 2020, Chemical Engineering Journal, 383, 123120.
  • Brajesh K. Singh Shantanu Roy, Vivek V. Buwa, "Dynamics of Segregation and Fluidization of Binary Mixtures in a Cylindrical Fluidized Bed", 2019, AIChE journal, 65, 1-15.
  • Karthik G. M., Abhijeet H. Thaker, Vivek V. Buwa, "Particle-Resolved Simulations of Catalytic Fixed Bed Reactors: Comparison of Turbulence Models, LES and PIV Measurements", 2019, Powder Technology (GLS-14 Special Issue), In press.
  • Karthik G. M. and Vivek V. Buwa, "Effect of Particle Shape on Catalyst Deactivation Using Particle-Resolved CFD Simulations", 2018, Chemical Engineering Journal (ISCRE 25 special issue), 377, 120164
  • Abhijeet H. Thaker, Karthik G. M., Vivek V. Buwa, "PIV Measurements and CFD Simulations of Particle-Scale Flow Distribution in a Packed Bed", 2019, Chemical Engineering Journal, 374, 189-200.
  • Abhijeet H. Thaker and Vivek V. Buwa, "Experimental  Investigations of Interfacial and Binary Coalescence of Multi–layered  Drops", 2019, Industrial and Engineering Chemistry Research, 58, 7620-7632.
  The work by G. M. Karthik and Vivek V. Buwa entitled "Performance Evaluation of Different Catalytic Structures for Methane Steam Reforming in Packed Beds" presented at the 14th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering (GLS-14) held in Guilin (China) during 30 May – 03 June 2019 receives "Best Poster Award"

Cover illustration (bottom left):

K. G. Manoharan and V. V. Buwa, “Structure-Resolved CFD Simulations of Different Catalytic Structures in a Packed Bed”. This work is featured on the cover page of the I&EC Journal (Volume 58, Issue 49, December 11, 2019)

(doi/abs/10.1021/acs.iecr.9b03537)

Cover illustration: Karthik G. M. and Vivek V. Buwa, "Effect of particle shape on fluid flow and heat transfer for methane steam reforming reactions"
(
doi/10.1002/aic.v63.1/issuetoc)
This work is featured on the cover page of the ISCRE 24 special issue of AIChE Journal (Jan 2017).
Conference contributions News & Announcement

26th International Symposium on Chemical Reaction Engineering (ISCRE26), New Delhi (India), 0508 December 2021

  • Abhijeet H. Thaker and Vivek V. Buwa, “Multi-fluid CFD-PBM Simulations of Separation of Liquid-Liquid Dispersion in a Continuous Gravity Settler", Accepted for oral presentation.
  • Abhijeet H. Thaker and Vivek V. Buwa, “Dynamics of Meandering Bubble Plumes and Their Role in Liquid Phase Mixing in a Shallow Vessel: PIV and PLIF Measurements", Accepted for poster presentation.
  • Ekta Jain and Vivek V. Buwa "Simulations of Vapor-Liquid Distribution in Packed Bed Generated by Industrial Distributor Trays", Accepted for poster presentation.
  • Aniket S. Ambekar and Vivek V. Buwa, "Particle-Resolved Simulations of Local Liquid Spreading in Packed Beds: Effect of Particle Size and Wettability", Accepted for oral presentation.
  • Aniket S. Ambekar and Vivek V. Buwa, "Particle-Resolved Simulations of Turbulent Flow Through Packed Bed Reactors: Comparison of Flow Simulations Using RANS, LES, and DNS Approaches", Accepted for poster presentation.
  • Aniket S. Ambekar and Vivek V. Buwa, "Volume-of-Fluid Simulations of Pore-Resolved Two-Phase Flow Through Porous Media", Accepted for poster presentation.
  • Sirisha Parvathaneni and Vivek V. Buwa "Effect of Particle-Particle Drag on Dynamics of Segregation/Mixing of Binary Gas-Solids Flow: Particles of Different Densities", Accepted for poster presentation.
  • Sirisha Parvathaneni and Vivek V. Buwa "Effect of the Local Bubbling Behaviour on Performance of a Fluidized Bed Gasifier", Accepted for poster presentation.
  • Kuldeep Singh and Vivek V. Buwa "Distribution in Computationally Generated Packed Beds and its Measurements Using Laser-Induced Fluorescence", Accepted for oral presentation.

14th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering (GLS-14), Guilin (China),  30 May03 June 2019

  • Karthik G. M., Abhijeet H. Thaker and Vivek V. Buwa, “Particle-Resolved Simulations of Catalytic Fixed Bed Reactors: Comparison of Turbulence Models, LES and PIV Measurements", Presented.
  • Abhijeet H. Thaker, Saroj Kumar Panda and Vivek V. Buwa, “CFD-PBM Simulations of Binary and Interfacial Coalescence in Separation of Liquid-Liquid Dispersions Using OpenFOAM”, Presented.
  • Karthik G. M. and Vivek V. Buwa, “Performance Evaluation of Different Catalytic Structures for Methane Steam Reforming in Packed Beds”, Presented.
  • Sahil V. Bhujbal, Abhijeet H. Thaker and Vivek V. Buwa, "Effect of Sloshing Gas−Liquid Interface on Dynamics of Meandering Bubble Plumes and Mixing in a Shallow Vessal: PIV and LIF Measurements", Presented.
  • Rajneesh K. Saini, Brajesh K. Singh and Vivek V. Buwa, "Characterization of Bubbling Behaviour in a Three-phase Slurry Bubble Column using Electrical Resistance Tomography", Presented.
IIT Delhi, ANSYS Software enter into CSR agreement; CoE for Promotion of Computational Fluid Dynamics Inaugurated
Further details are available at http://www.iitd.ac.in/content/iit-delhi-ansys-software-enter-csr-agreement-coe-promotion-computational-fluid-dynamics-inau
04 June 2020: Abhijeet H. Thaker successfully defended his Ph.D. thesis "Liquid-Liquid Phase Separation in Gravity Settlers: Measurements, Population Balance Modeling and CFD Simulations"
18 October 2019: Karthik G.M. successfully defended his  Ph.D. thesis "Particle-resolved Simulations of Fluid Flow, Transport Processes and Deactivation for Gas-phase Catalytic Reactions"
21 October 2019: Brajesh K. Singh successfully defended his Ph.D. thesis "Characterization of Dynamics of Unary and Binary Gas-Solid Flows in a Cylindrical Fluidized Bed: Electrical Capacitance Tomography Measurements and CFD Simulations"

PhD and PostDoc positions
  • Current PhD and Post-doc positions

Last updated: July 09, 2020 23:34:53 Maintained by: Sirisha Parvathaneni
© Vivek V. Buwa, Department of Chemical Engineering, Indian Institute of Technology-Delhi, New Delhi, 110 006, India Developed by: Abhijeet H. Thaker