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| Vivek V. Buwa | |
| Facilities | |
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Time-resolved Stereo Particle Image Velocimetry (PIV) and Laser
Induced Fluoresce (LIF) |
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| Photograph of time-resolved stereo PIV system | |
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| Specification: |
| Camera | : |
2 Phantom M310 high-speed cameras (3600 fps @1 MP) Lenses: 60 mm and 130 mm AF Nikor |
| Filters for PLIF | : | 540 and 650 nm for concentration and temperature LIF |
| Laser | : | Litron Nd:YLF high-speed laser (30 mJ @ 1000 fps) |
| Workstation | : | Intel xeon e5 with 128 GB RAM, 2 TB storage |
| PIV software modules | : | Insight 4G (2D, Stereo, PLIF, Size shape analysis tools) |
| Traverse system | : | 3D (x,y,z) upto 1m |
| System provider | : | TSI, USA |
| Applications: |
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Dilute
gas-liquid flow in bubble columns
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Cold flow
studies in Basic Oxygen Furnace & ladle (used in steel making)
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Single phase
flow in packed beds
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Small-scale
flow around bubbles and drops |
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| Scaled-down cold flow model of ladle | Time-averaged vertical liquid velocity distributions on different r-z-planes |
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| Snapshots of time-evolution of tracer dispersion measured at mid plane using LIF for different bottom tuyere configurations (blue- zero; red- equilibrium and above concentration) |
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Particle-scale single-/two-phase
flow in packed beds |
| Publications and Conferences: |
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· Abhijeet H. Thaker, Abdul Quiyoom and Vivek V. Buwa, “Dynamics of
Gas-Liquid Flow and Mixing in a Ladle: PIV and LIF Measurements”,
accepted for presentation at the 12th
International Symposium on Particle Image Velocimetry (ISPIV 2017) to
be held in Busan, Korea during
19-21 June 2017. |