Industrial Flow Modeling Group <ul><ul><li>Vivek V. Ranade </li></ul></ul><ul><ul><li>National Chemical Laboratory </li></...
NATIONAL CHEMICAL LABORATORY <ul><li>Located in City of Pune </li></ul>
NATIONAL CHEMICAL LABORATORY <ul><li>Premier CSIR Laboratory in Chemical Sciences </li></ul><ul><ul><li>Catalysis </li></u...
INDUSTRIAL FLOW MODELING GROUP <ul><li>Basic Research on Multiphase Fluid Dynamics ( DST, CSIR, IFCPAR ) </li></ul><ul><li...
RECENT iFMg PROJECTS <ul><li>FCC Regenerator ( IOCL ) </li></ul><ul><li>Oxy-hydrochlorination Reactor ( Reliance ) </li></...
FACILITIES <ul><li>Computational </li></ul><ul><ul><li>SGI Origin 200: 2 R12k CPUs, 1 GB RAM </li></ul></ul><ul><ul><li>SG...
FACILITIES <ul><li>Experimental </li></ul><ul><ul><li>Bubble columns (10 cm, 20 cm and 30 cm diameter); 10 cm and 20 cm di...
FACILITIES <ul><li>Experimental: Measurement Techniques </li></ul><ul><ul><li>Wall pressure sensors </li></ul></ul><ul><ul...
REACTOR ENGINEERING <ul><li>Optimize the Business of Transformations to Maximize Productivity </li></ul><ul><li>What trans...
iFMg MODELING APPROACH <ul><li>Evolve Detailed Wish List </li></ul><ul><li>Occam  s Razor :   It is futile to do with mo...
BASIC RESEARCH: Main Contributions <ul><li>Multi-environment model for mixing sensitive reactions in turbulent flows </li>...
iFMg Reactor Engineering Tools <ul><li>ReST:  Reactor Simulation Tool for fluid-fluid reactors </li></ul><ul><li>TRPro:  T...
SUMMARY of CONTRIBUTIONS <ul><li>1 Book, Academic Press, September 2001 </li></ul><ul><li>42 Papers in Journals (published...
CURRENT ACTIVITIES <ul><li>Dispersed Gas-liquid Flows </li></ul><ul><ul><li>Cavities behind impellers </li></ul></ul><ul><...
CURRENT ACTIVITIES <ul><li>Gas-liquid Flow in Trickle Bed Reactors </li></ul><ul><ul><li>Eulerian models </li></ul></ul><u...
CURRENT ACTIVITIES <ul><li>Gas-solid Fluidized Bed Reactors </li></ul><ul><ul><li>FCC riser reactor </li></ul></ul><ul><ul...
CURRENT ACTIVITIES <ul><li>Collaborations: </li></ul><ul><ul><li>Professor Bertrand, ENSIGC, Toulouse, France </li></ul></...
Upcoming SlideShare
Loading in …5
×

Ifmg intro

673 views
615 views

Published on

IFMG lab introduction

Published in: Education, Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
673
On SlideShare
0
From Embeds
0
Number of Embeds
23
Actions
Shares
0
Downloads
3
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Ifmg intro

  1. 1. Industrial Flow Modeling Group <ul><ul><li>Vivek V. Ranade </li></ul></ul><ul><ul><li>National Chemical Laboratory </li></ul></ul><ul><ul><li>Pune 411008 </li></ul></ul><ul><ul><li>Tel: 91 20 589340 Ext. 2170/ 2172 </li></ul></ul><ul><ul><li>Fax: 91 20 5893260 </li></ul></ul><ul><ul><li>Email: [email_address] </li></ul></ul>
  2. 2. NATIONAL CHEMICAL LABORATORY <ul><li>Located in City of Pune </li></ul>
  3. 3. NATIONAL CHEMICAL LABORATORY <ul><li>Premier CSIR Laboratory in Chemical Sciences </li></ul><ul><ul><li>Catalysis </li></ul></ul><ul><ul><li>Polymers </li></ul></ul><ul><ul><li>Organic Chemistry </li></ul></ul><ul><ul><li>Biotechnology </li></ul></ul><ul><ul><li>300 Scientific staff + ~ 200 Ph.D. Students </li></ul></ul><ul><ul><li>Industrial contract research (GE, DuPont, Unilever, Akzo, ICI  .) </li></ul></ul><ul><ul><li>> 300 publications, > 100 patents (~ 30 US Patents) per year </li></ul></ul>Chemical & Process Engineering
  4. 4. INDUSTRIAL FLOW MODELING GROUP <ul><li>Basic Research on Multiphase Fluid Dynamics ( DST, CSIR, IFCPAR ) </li></ul><ul><li>Development of Chemical Reactor Engineering Tools (ReST, TRPro, MoBB, AnTS, RIAT, SPARE, FLUENT, AUTO ) </li></ul><ul><li>Industrial Applications ( DuPont , Indian Oil Corporation Ltd., Reliance Ltd., Herdillia Chemicals Ltd., Thermax Ltd., Fluent India Pvt. Ltd., BEPL, Spellbound, Praj Industries, Bajaj Auto Ltd., GAAC, GDIL  ) </li></ul>
  5. 5. RECENT iFMg PROJECTS <ul><li>FCC Regenerator ( IOCL ) </li></ul><ul><li>Oxy-hydrochlorination Reactor ( Reliance ) </li></ul><ul><li>Thermo-siphon Reactor ( Reliance ) </li></ul><ul><li>SAN Co-polymerization reactor ( BEPL ) </li></ul><ul><li>PET Finisher ( DuPont ) </li></ul><ul><li>Suspension Polymerization Reactor ( Thermax ) </li></ul><ul><li>Regeneration of DPO Reactor ( Herdillia ) </li></ul><ul><li>Design of Carbonylation Reactor ( GAAC, DPG ) </li></ul><ul><li>Chlorination of Acetic Acid ( GDIL ) </li></ul><ul><li>Modelling of Stirred Reactors ( Praj, Fluent India ) </li></ul><ul><li>Design of Hydrogenation Reactor ( Spellbound ) </li></ul>
  6. 6. FACILITIES <ul><li>Computational </li></ul><ul><ul><li>SGI Origin 200: 2 R12k CPUs, 1 GB RAM </li></ul></ul><ul><ul><li>SGI Origin 200: 4 R12k CPUs, 2 GB RAM </li></ul></ul><ul><ul><li>SGI O2, Indy workstations and DEC Alpha workstation </li></ul></ul><ul><ul><li>1.4 GHz P4 machines with 1 GB RAM: 2 </li></ul></ul><ul><ul><li>1 GHz PIII x 2 machines with 1 GB RAM each: 4 </li></ul></ul><ul><ul><li>Other PIII & older machines: 5 </li></ul></ul><ul><ul><li>FLUENT, AUTO, MATLAB, ODELIB, Numerical Receipes and other necessary software tools </li></ul></ul>
  7. 7. FACILITIES <ul><li>Experimental </li></ul><ul><ul><li>Bubble columns (10 cm, 20 cm and 30 cm diameter); 10 cm and 20 cm diameter columns may be operated in continuous mode </li></ul></ul><ul><ul><li>Stirred vessel facility (5 HP motor, 40 cm diameter vessel, several impellers) </li></ul></ul><ul><ul><li>Trickle beds (10 cm and 20 cm diameter) </li></ul></ul><ul><ul><li>Rectangular bubble column </li></ul></ul><ul><ul><li>These cold flow facilities are equipped with flow metering instrumens and provisions to insert different probes (pressure sensors, conductivity probes, torque sensors and so on) </li></ul></ul>
  8. 8. FACILITIES <ul><li>Experimental: Measurement Techniques </li></ul><ul><ul><li>Wall pressure sensors </li></ul></ul><ul><ul><li>Voidage probes </li></ul></ul><ul><ul><li>Torque sensors </li></ul></ul><ul><ul><li>High speed camera (500 frames/s) </li></ul></ul><ul><ul><li>Tied-up with BARC for carrying out radio-active tracer experiments for RTD and hold-up </li></ul></ul><ul><ul><li>All of these measurement techniques use compueterized data acquisition systems. Except the camera, two laptops with independent PCMCIA cards are used. Camera is used with standard desktop PIII computer. </li></ul></ul>
  9. 9. REACTOR ENGINEERING <ul><li>Optimize the Business of Transformations to Maximize Productivity </li></ul><ul><li>What transformations are expected to occur? </li></ul><ul><ul><li>Chemistry/ Thermodynamics </li></ul></ul><ul><li>How fast these changes will occur? </li></ul><ul><ul><li>Reaction kinetics </li></ul></ul><ul><ul><li>Transport processes (mixing, heat transfer, mass transfer) </li></ul></ul><ul><li>What is the best way to carry out these transformations? </li></ul><ul><ul><li>Hardware configuration / design/ operating protocols </li></ul></ul>Raw Materials Value Added Products Chemical or Physical Transformations
  10. 10. iFMg MODELING APPROACH <ul><li>Evolve Detailed Wish List </li></ul><ul><li>Occam  s Razor :  It is futile to do with more, what can be done with less  </li></ul><ul><ul><li>Simple/ conventional models may provide adequate solution </li></ul></ul><ul><ul><li>Conventional models must be used prior to CFD models </li></ul></ul><ul><li> One should always try to make things as simple as possible BUT NOT simpler  </li></ul><ul><ul><li>Throwing baby with the bath water </li></ul></ul><ul><ul><li>Match complexity of the problem with the analysis tool </li></ul></ul>
  11. 11. BASIC RESEARCH: Main Contributions <ul><li>Multi-environment model for mixing sensitive reactions in turbulent flows </li></ul><ul><li>Models to simulate influence of drag reducing polymers on turbulent reacting flows </li></ul><ul><li>Computational snapshot approach to simulate impeller rotation in a steady framework without any adjustable parameters: extendable to multiphase flows </li></ul><ul><li>Phenomenological and CFD models to simulate dynamics of dispersed gas-liquid flows </li></ul><ul><li>CFD models to simulate hydrodynamics of trickle bed reactors </li></ul>
  12. 12. iFMg Reactor Engineering Tools <ul><li>ReST: Reactor Simulation Tool for fluid-fluid reactors </li></ul><ul><li>TRPro: Tool for Regeneration Protocols for fixed bed reactors </li></ul><ul><li>MoBB: Model for Bubbling fluidized Beds </li></ul><ul><li>AnTS: Analysis of non-linear Time Series </li></ul><ul><li>RIAT: Reactions in Agitated Tanks (mixing sensitive) </li></ul><ul><li>SPARE: Sparged Reactors, general purpose multi-fluid CFD code </li></ul><ul><li>FLUENT: Commercial CFD code of Fluent Inc., USA </li></ul><ul><li>AUTO: Freeware tool for bifurcation analysis </li></ul>
  13. 13. SUMMARY of CONTRIBUTIONS <ul><li>1 Book, Academic Press, September 2001 </li></ul><ul><li>42 Papers in Journals (published/ accepted) </li></ul><ul><li>36 papers in Conferences </li></ul><ul><li>7 Workshops (Mixing, CFM) </li></ul><ul><li>8 Industrial contract research/ consultancy projects </li></ul><ul><li>5 Basic research projects </li></ul><ul><li>Established state of the art computing facilities (capable of carrying out million node simulations) </li></ul><ul><li>Established multiphase reactor laboratory with computerized data acquisition systems </li></ul><ul><li>Established international collaborations (France, USA) </li></ul><ul><li>4 Major awards </li></ul><ul><li>> Rs. 1.2 Crore external funding (received/ approved) </li></ul>
  14. 14. CURRENT ACTIVITIES <ul><li>Dispersed Gas-liquid Flows </li></ul><ul><ul><li>Cavities behind impellers </li></ul></ul><ul><ul><li>Dynamics of bubble columns </li></ul></ul><ul><ul><li>Development of measurement techniques </li></ul></ul><ul><ul><ul><li>Pressure probes </li></ul></ul></ul><ul><ul><ul><li>Voidage probes </li></ul></ul></ul><ul><ul><ul><li>High speed camera </li></ul></ul></ul><ul><ul><ul><li>Radio active tracres </li></ul></ul></ul><ul><ul><ul><li>CARPT </li></ul></ul></ul><ul><ul><li>Entrainment prediction/ reduction </li></ul></ul><ul><ul><li>Coalescence-breakup models </li></ul></ul><ul><ul><li>Snapshot approach for reactive mixing </li></ul></ul>
  15. 15. CURRENT ACTIVITIES <ul><li>Gas-liquid Flow in Trickle Bed Reactors </li></ul><ul><ul><li>Eulerian models </li></ul></ul><ul><ul><li>Inter-phase coupling terms </li></ul></ul><ul><ul><li>Capillary forces </li></ul></ul><ul><ul><ul><li>Degree of wetting </li></ul></ul></ul><ul><ul><li>Liquid mal-distribution </li></ul></ul><ul><ul><li>Development of experimental techniques </li></ul></ul><ul><ul><ul><li>RTD </li></ul></ul></ul><ul><ul><ul><li>Visualizations </li></ul></ul></ul><ul><ul><li>Microscopic flow around pellets </li></ul></ul>
  16. 16. CURRENT ACTIVITIES <ul><li>Gas-solid Fluidized Bed Reactors </li></ul><ul><ul><li>FCC riser reactor </li></ul></ul><ul><ul><ul><li>CFD model </li></ul></ul></ul><ul><ul><ul><li>Reactor model </li></ul></ul></ul><ul><ul><li>Mixing cell model of complete FCCU </li></ul></ul><ul><ul><li>Mixing cell model of poly-propylene reactor </li></ul></ul>
  17. 17. CURRENT ACTIVITIES <ul><li>Collaborations: </li></ul><ul><ul><li>Professor Bertrand, ENSIGC, Toulouse, France </li></ul></ul><ul><ul><ul><li>Gas-liquid stirred reactors </li></ul></ul></ul><ul><ul><ul><li>PIV/ LDV data </li></ul></ul></ul><ul><ul><li>Professor Dudukovic, CREL, Washington University, ST. Louis, USA </li></ul></ul><ul><ul><ul><li>Mixing in opaque multiphase systems </li></ul></ul></ul><ul><ul><ul><li>CARPT/ CT data </li></ul></ul></ul><ul><ul><li>BARC Isotope Group </li></ul></ul><ul><ul><ul><li>Development of tracer techniques for multiphase reactors </li></ul></ul></ul><ul><ul><li>Fluent Inc., USA </li></ul></ul>

×