Prashant Valluri


Accepting PhD Students

Personal profile


Oct 2004

PhD in Chemical Engineering, Imperial College London

Thesis: Multiphase fluid dynamics in structured packings

June 1998Bachelor of Technology (Distinction) in Chemical Engineering

Research Interests

  • Multiphase and single-phase fluid dynamics and transport phenomena
  • Stability theory and turbulence
  • Process design and intensification
  • Biological fluid dynamics and material science

My work centres around the development of understanding and models for complex flow patterns to tackle various industrial problems like cleaning, oil-gas transport, slurry transport, distillation, absorption, thermal management of microdevices and biological problems such as cerebral temperature regulation and lung function.

Contribution to Knowledge Exchange and Impact
Opensource Flow Solvers

1) Two Phase Level Set (TPLS) Solver is an ultra-high resolution, highly parallelisable, 3D Direct Numerical Simulation (DNS) flow solver to simulate single/ multi-phase flows at unprecedented detail, speed and accuracy

  • Latest Version: TPLS v3 released in Dec 2017 (v2 in May 2015, v1 in June 2013)
  • Download from SourceForge 
  • Optimised for supercomputing clusters such as ARCHER
  • Over 1500 downloads since June 2013 (globally by both academia and industry from at least 59 countries)

2) Vascular Porous (VaPor) Solver for Simulating Biological Temperatures is an open source software
designed to simulate biological mass flows and heat transfer simultaneously.

  • First Version Released in May 2018
  • Available as Open Source from GitHub
  • Fully tested and validated on mice and neo-natal brain vasculature
  • Accounts for both arterial and venous vasculature and porous tissue
  • Simple MATLAB interface

3) Gerris Immersed Solid Solver (GISS) is a powerful and an efficient 3D Direct Numerical Simulation (DNS) solver to simulate solid-fluid flows at unprecedented detail.

  • 6 degree of freedom motion of multiple solids of arbitrary shape
  • Available as Open Source from GitHub
  • Seamless coupling with Gerris Flow Solver


My research in a nutshell

Super quick snapshot of my research! (recorded 2016, old but relevant)

Administrative Roles

Research students

  1. Dr. Pedro J Sáenz (Graduated 2014)
  2. Dr. Pei Shui (Graduated 2015)
  3. Dr. Patrick Schmidt (Graduated 2017)
  4. Dr. Stephen Blowers (Graduated 2018)
  5. Dr. Robson Nazareth (Graduated 2019)
  6. Dr. Adam Williams (Graduated 2019)
  7. Dr. Erich Essmann (Graduated 2020)
  8. Dr. James Farrell (Graduated 2020)
  9. Davide Masiello (Joint supervision with Dr. Nacho Tudela-Montes, Prof. R. Govindarajan)
  10. Luke Fulford (Joint supervision with Prof. Ian Marshall)
  11. Katie Thomson (Joint supervision with Prof. K. Sefiane, Dr. G. Karapetsas - Thessaloniki and Dr. Y. Kita - Kyushu)
  12. Giada Minozzi (Joint supervision with Dr. T. Krueger and Prof. K. Sefiane)
  13. Andrew Boyd (Joint supervision with Dr. D. Scott, M. Sawyer and Prof. R. Govindarajan - TIFR Bangalore)
  14. Debarshi Debnath (Joint supervision with Prof K. Sefiane, Dr. D. Orejon and Dr. G. Karapetsas - Thessaloniki)

Research Groups

  • Institute for Multiscale Thermofluids
  • Multiphase Flows and Transport Phenomena


  • Fluid Mechanics 4 (Chemical), CHEE10004. 
  • Process Calculations 2, CHEE08014
  • Chemical Engineering 1 Laboratory, CHEE08001
  • Chemical Engineering Research Project 5, CHEE11017
  • Chemical Engineering Study Project 4, CHEE10009
  • Chemical Engineering in Practise 3 - MATLAB Design (2010-2011, 2011-12, 2012-13, 2013-14, 2014-2015) CHEE09006
  • Computational Fluid Dynamics 5 (2011-12, 2012-13), MECE11004/PGEE11055 

Collaborative Activity


  • Imperial College London, UK
  • University College Dublin, Ireland
  • Université de Lyon (Claude Bernard), France
  • Université Pierre et Marie Curie, France
  • Massachussets Institute of Technology, USA
  • University of Maryland, USA
  • Stanford University, USA
  • University of Nottingham, UK
  • École Polytechnique Federale de Lausanne, Switzerland
  • École normale supérieure Paris-Saclay
  • Kyushu University, Japan
  • Kobe University, Japan
  • Universidado do Estado do Rio de Janiero, Brazil
  • York University Toronto, Canada
  • Tata Institute for Fundamental Research - Hyderabad, India
  • Shanghai Jiaotong University, China
  • Dalian Maritime University, China
  • Tianjin University of Commerce, China
  • Brunel University, UK
  • Heriot-Watt University, UK
  • University of Pretoria, South Africa


  • Sulzer Chemtech
  • Thermacore Europe
  • Selex
  • K2M

Education/Academic qualification

Doctor of Philosophy (PhD), Multiphase fluid dynamics in structured packings, Computational and Systems Medicine, Imperial College London

Award Date: 1 Jan 2004

Bachelor of Engineering, Chemical Engineering, Dr. BA Technological University, Lonere, India

Award Date: 1 Jan 1998

External positions

Extraordinary Professor, Department of Mechanical and Aeronautical Engineering, University of Pretoria

Mar 2019 → …

Honorary Advisor (Mentor), Department of Chemical Engineering, Vishwakarma Institute of Technology, University of Pune, India

Jan 2019 → …

Invited JSPS Fellow, Kyushu University

Jan 2018 → …


  • Q Science (General)
  • Fluid Mechanics
  • Computational Fluid Dynamics
  • Mathematical Modelling
  • Multiphase Flow
  • Hydrodynamic Stability
  • Numerical Methods
  • Immersed boundary methods
  • Volume-of-Fluid method
  • Level-Set Method
  • Diffuse-Interface method
  • TJ Mechanical engineering and machinery
  • Drag reduction
  • TP Chemical technology
  • Process Design
  • Process Modelling
  • Combustion
  • Reactions and Separations
  • QP Physiology
  • Arterial/Venous flows
  • Retinal flows
  • Brain cooling
  • Tumour growth


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