Reactive and Electromagnetic Flows In Steelmaking
Project 1) Modeling of Bloom Caster (Electromagnetic Stirring & Solidification Included)
Part-1) Electromagnetic Module Development and Validation (Completed)
Magnetic field calculated and validated against experimental results published in the literature.
Rotating Lorentz force calculated and integrated with fluid flow module as body force to momentum equation.
(Findings published in ASIA STEEL 2021 KOREA, an international conference being held from 5-9 December )
Part-2) Fluid Flow & Solidification Module Development and Validation (Completed)
Solidification module integrated with fluid flow module in ANSYS Fluent with/without Electromagnetic Stirring.
Solidification shell thickness profile validated against plant trial results published in the literature.
Computational assessment of mold exit as a plausible physical domain boundary completed.
Role of turbulence, an assessment with standard k-epsilon, realizable k-epsilon, standard k-omega and SST k-omega turbulence models, on solid shell thickness and predicted flow is being investigated.
Part-3) Fluid flow, solidification modelling of Square Bloom Caster with/without EMS (Completed)
Mathematical modeling with straight SEN designs (currently in use in many steel industries) & experimental validation
Modelling with Diagonally Opened 4-Port SEN and Comparison with Straight SEN with/without EMS
Part-4) New swirling SEN design: flow and solidification shell comparison with existing nozzles (Completed)
Mathematical modeling with in-house designed swirling nozzle and comparison with design's of Part-3
Project-2) Modeling of Inductively Stirred Melts in Steelmaking (Ongoing Project)
Part-1) Modelling of Hydrodynamics and Mixing Phenomena in inductively stirred (toroidal type stirring) ladle (Completed)
Computation of Lorentz force distribution of electromagnetic calculations
Development of steady state velocity profile under the influence of Lorentz force
Calculation of 95% mixing time
Comparison of velocity field and mixing time with inert gas stirred ladle and mechanically agitated ladle
Part-2) Modelling of Hydrodynamics and Mixing Phenomena in inductively stirred (paddle stirrer type stirring) ladle (Expected Completion June'22)
Repetition of step of Part-1 for electromagnetic stirrer generating paddle stirrer type motion
Part-3) Modelling of Flow and Mixing in Induction Furnace (Expected Start- July'22)
Part-4) Modelling of slag-metal mass transfer and chemical reaction for stirrers designed in Part-1&2 (Expected Start- Aug'22)
Part-5) Modelling of Gas-Liquid mass transfer for induction furnace modelled in Part-3 (Expected Start- Oct'22)