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
  • Karthik G. M, and Vivek V. Buwa, "Structure-Resolved CFD Simulations of Different Catalytic Structures in a Packed Bed", Industrial and Engineering Chemistry Research, Accepted for publication.
  • Brajesh K. Singh Shantanu Roy, Vivek V. Buwa, "Bubbling/slugging flow behavior in a cylindrical fluidized bed: ECT measurements and two-fluid simulations", Chemical Engineering Journal, Accepted for publication.
  • 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.
  • Brajesh K. Singh, Ekta Jain and Vivek V. Buwa, "Feasibility of Electrical Resistance Tomography for Measurements of Liquid Holdup Distribution in a Trickle Bed Reactor", 2019, Chemical Engineering Journal, 358, 564-579.
  • Abhijeet H. Thaker, Mayur Darekar, K. K. Singh and Vivek V. Buwa, "Experimental Investigations of Liquid–Liquid Disengagement in a Continuous Gravity Settler", 2018, Chem. Eng. Res. Des., 139, 174-187.
  • Karthik G. M. and Vivek V. Buwa, "Particle-resolved Simulations of Methane Steam Reforming in Multi-layered Packed Beds", 2018, AIChE Journal, 64, 4162-4176.
  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: Effect of particle shape on fluid flow and heat transfer for methane steam reforming reactions: Simulated temperature distribution on particle surface (left) and on r–z plane (right) for (i) cylinder, (ii) trilobe, (iii) daisy, (iv) hollow cylinder, (v) cylcut, and (vi) 7-hole cylinder particle shapes. Image courtesy: Karthik G. M. and Vivek V. Buwa, Indian Institute of Technology Delhi 10.1002/aic.15542.
(http://onlinelibrary.wiley.com/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). This special issue contains a selected collection of state-of-the-art developments in the field of CRE presented at ISCRE-24 (Minneapolis, USA, June 2016) by distinguished international researchers in reaction engineering, prominent industrial practitioners, and new researchers and students
Conference contributions News & Announcement

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.

16th International Conference on Fluidization, Guilin (China), 26 31 May 2019

  • Sirisha Parvathaneni and Vivek V. Buwa, "Characterization of  Dynamics of Binary Gas-Solid Flow of Particles with Different Density  and Shape Using Digital Image Analysis", Presented.
  • Sirisha Parvathaneni and Vivek V. Buwa, "Eulerian  Simulations of Mixing and Segregation of Binary Gas-Solid Flow of  Particles with Different Densities", Presented.
  • Brajesh K. Singh, Shantanu Roy and Vivek V. Buwa, "Effect of  Solid Viscosity on Unary and Binary Gas-Solid Fluidization: ECT  Measurements and CFD Simulations", Presented.

10th International Conference on Multiphase Flow (ICMF 2019), Rio de Janeiro (Brazil), 19 – 24 May 2019

  • Aniket S. Ambekar, Jyoti Phirani, Vivek V. Buwa,  "Pore-Resolved Simulations of Two-Phase Flow through Porous Media", Presented.
  • Ekta Jain, Madhusudan Sau and Vivek Buwa, "A Methodology to  Simulate Gas-liquid Distribution through Distributor-trays using  Two-phase Eulerian Model", Presented.
  • Sirisha Parvathaneni and Vivek V. Buwa, "Dynamics of Mixing  and Segregation of Binary Gas-Solid Flow of Particles with Different  Density and Shape", 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
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: November 03, 2019 13:15:32 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