Overview
Industrial Flow Modeling group develops and harnesses computational fluid dynamics (CFD) and other modeling tools to understand, optimize and develop complex industrial processes and products.
Mission & Goals
  • Develop hierarchy of modeling (computational/experimental) tools to address reactor and product engineering issues
  • Apply these tools creatively to realize performance enhancements and develop new reactors/ processes and produc
    		•
    Competency
    Multi-scale modeling capabilities
  • From micro-scale simulations of drop dynamics to macro-scale simulations of flow processes
  • Developed methodology to use multi-scale modeling to construct practically usable tools for realizing performance enhancements
    		•

    Multiphase reactor engineering/Performance modeling/ Cold flow simulations
  • Fluidized bed reactors
  • Bubble column (slurry) reactors
  • Stirred reactors
  • Trickle/ fixed bed reactors
  • Rotary kilns

    • Product engineering
  • Nozzles
  • Spacers
  • Specialty equipment
    • Facilities

    Product engineering
  • SGI Origin 200: 6 R12k CPUs /3GBRAM
  • SGIO2and Indy,DECAlpha
  • Three dual processor (Intel Xeon)HPmachines
  • Several Intel P4 based machines

    • The group has signed a 'Partnership' agreement with Fluent Inc., USA and has access to source code of FLUENT4.5 and to object codes of FLUENT6, GAMBIT and POLYFLOW.

    Product engineering

  • Bubble columns (10cm, 20cm and 30cm diameter) / stirred vessel facility (5 HP motor, 40/70 cm diameter vessel)/ trickle beds (10cm and 20cm diameter)
  • Conductivity probes, pressure sensors, torque sensors
  • Computerized data acquisition systems with 16 bit PCMCIA card
  • High-speed (up to 500 fps) digital imaging system

    		•
    Glimpses of current research

    Reactor engineering
  • Poly ethylene terpthalate (PET) finisher
  • Scale-up of styrene-acrilonitrile (SAN) reactor
  • Thermo-siphon loop reactor
  • FCCregenerator
  • OXY reactor: Capacity/ Erosion
  • Enhance selectivity of allyl chloride reactor
  • Performance enhancement of cement kilns
  • Gas-liquid (-solid) flow in bubble columns
  • Mixing&multi-phase flow in stirred reactors
  • Drop impact on flat surface
  • Gas-liquid flow in trickle bed reactors
    		•
    Product/ Process engineering

    Product/ Process engineering

  • Development of new impellers for suspension polymerisation
  • Nozzle design forFCCriser reactor
  • Development of optimum spacer shapes for membrane modules
  • Development of coal burners

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    Modeling tools developed

    ReST

    :

    Simulation of fluid-fluid reactors

    AnTS

    :

    Analysis of non-linear Time Series

    TRPro

    :

    Regeneration of fixed bed reactors

    RIAT

    :

    Simulation of fast reactions

    MoBB

    :

    Simulation of Bubbling Beds

    SPARE

    :

    General purpose multi-fluid CFD Code
  • Gas-liquid (-solid) flow in bubble columns
  • Mixing&multi-phase flow in stirred reactors
  • Drop impact on flat surface
  • Gas-liquid flow in trickle bed reactors


    • Contact
     
    Dr. Vivek Ranade
    National Chemical Laboratory ,
    Dr. Homi Bhabha Road ,
    Pune 411 008 India
    Email : vvranade@ifmg.ncl.res.in
    Phone :+91-20-2589 3300(extn 2170)
    Fax :+91-20-2589 3260