Structured Packing — Flooding Velocity

Flooding gas velocity for plate-corrugated (Diehl–Koppany) and wire-mesh structured packing.

Input DataDiehl–Koppany

Structured packing (auto-fill de, ε)

Equivalent diameter de

mm

Liquid surface tension σ1

dyne/cm

Gas density ρV

kg/m³

Liquid mass flow wL

kg/h

Gas mass flow wV

kg/h

Bed void fraction ε

m³/m³

Gas volumetric flow Vs

m³/s

Flooding ratio

—

Input DataWire-Mesh

Flooding velocity UeF (packing rating)

m/s

Gas volumetric flow Vs

m³/s

Gas density ρV

kg/m³

Liquid density ρL

kg/m³

Liquid mass flow wL

kg/h

Gas mass flow wV

kg/h

Bed void fraction ε

m³/m³

Flooding ratio

—

Typical UeF: BX type = 2.9 m/s, CY type = 2.2 m/s.