๐ช๏ธ Industrial Cyclone Particle Separator Sizer (Leith-Licht)
Size industrial cyclone dust collectors: 50% cut-off particle diameter (d50), fractional grade collection efficiency curve, inlet velocity, and pressure drop across Stairmand, Swift, and Lapple geometries.
โก Fortran 90 Engine
Double Precision (IEEE 754)
โ ISO / ASME Validated
Fluid Mechanics
๐ Solver Telemetry
โ ACTIVE
๐๏ธ Views
19
โก Solves
14
๐พ Downloads
253
๐ฆ Fortran Code
4.5 KB
๐
Released
Jun 2026
โฑ๏ธ Latency
< 1 ms
๐ช๏ธ Reverse-Flow Cyclone Double Vortex & Centrifugal Separation
Real-time visual simulation: Outer descending dust vortex, inner clean gas vortex core, and hopper collection๐ Configuration & Presets
๐ญ Cement Clinker (Stairmand)
๐ชต Wood Sawdust (Lapple)
โก Biomass Fly Ash (Swift)
๐ฅ Spray Dryer Powder
Lapple & Leith-Licht Formulation:
โข Cut-off Diameter: dโ โ = โ[ 9 ฮผg b / (2 ฯ Ne Vin (ฯp โ ฯg)) ] [ฮผm]
โข Grade Collection Efficiency: ฮท(dp) = 1 / [ 1 + (dโ โ/dp)ยฒ ]
โข Pressure Drop: ฮPc = ยฝ ฯg Vinยฒ ยท NH [mbar]
โข Recommended Inlet Velocity: Vin โ 15 โ 22 m/s.
โข Cut-off Diameter: dโ โ = โ[ 9 ฮผg b / (2 ฯ Ne Vin (ฯp โ ฯg)) ] [ฮผm]
โข Grade Collection Efficiency: ฮท(dp) = 1 / [ 1 + (dโ โ/dp)ยฒ ]
โข Pressure Drop: ฮPc = ยฝ ฯg Vinยฒ ยท NH [mbar]
โข Recommended Inlet Velocity: Vin โ 15 โ 22 m/s.
๐ Separation Results
Configure inputs and click Compute to view results.
๐ Calculation Methodology & Cyclone Dedusting Standards
Reverse-Flow Vortex Centrifugal Force
Tangential gas injection creates a powerful double vortex where centrifugal acceleration pushes solid particles outwards to the conical wall, falling into the bottom dust hopper.
Stairmand vs Swift Proportions
Standardized geometric proportions balance collection efficiency against pressure drop ($N_H = 6.4 - 9.2$ velocity heads), ensuring optimal fan electrical consumption.
Key Engineering Assumptions
- Lapple / Leith-Licht semi-empirical grade efficiency formulation.
- Ideal Stokes drag on micron-sized solid dust particles.
- Applicable to cement kilns, biomass boilers, woodworking shops, and spray dryers.