Sieve Tray Flooding & Capacity Calculator

Hydraulic sizing of distillation column sieve trays: Calculate Fair capacity factor (\(C_{sb}\)), flooding vapor velocity (\(u_{flood}\)), column diameter (\(D\)), and % jet flood.

Vapor-Liquid Traffic & Physical Properties

Vapor Mass Rate V (kg/h):

Liquid Mass Rate L (kg/h):

Vapor Density ρ_V (kg/m³):

Liquid Density ρ_L (kg/m³):

Surface Tension σ (mN/m): Standard: 15-25 mN/m

Tray Spacing (mm):

Target % Flood: Typical: 75% - 82%

Downcomer Area Fraction (A_d/A): Normally 10% - 15%

Hole Area Ratio (A_h/A_a): Sieve hole punching ratio

Hydraulic Capacity & Column Sizing

Required Column Diameter (D)

Flooding Vapor Velocity (u_flood)

Flow Param (F_LV)

Fair Factor C_sb

Active F-Factor

Hydraulic Operating Assessment

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Sieve Tray Flooding & Capacity Calculator

Vapor-Liquid Traffic & Physical Properties

Hydraulic Capacity & Column Sizing

Frequently Asked Questions