1D Packed-Bed Adsorption + Regeneration (3 layers) — Unit 104 preset
✅ Physical-bed view: top of bed stays top on screen (no colormap flipping). Flow direction only changes inlet BC and arrows.
Presets & Control
Load Unit 104 preset
Reset
Fast Run: Adsorption
Fast Run: Regeneration
Fast Run: Full Cycle
Idle.
Current bed state
None (using Initial Bed State)
Adsorption start mode
Start from Initial Bed State
Start from Current Bed State
Replay dataset
Adsorption
Regeneration
Cycle: Ads part
Cycle: Reg part
Replay speed (×)
Visualization units
Auto (ratio if Cin>0 else ppmv)
C/Cin
ppmv
ppmv color scale
Dataset max
Frame max
Time slider (snapshot index)
No data.
▶ Play
⏸ Pause
⏮ Start
⏭ End
Initial Bed State
Initial gas pressure (bar abs)
Initial gas temperature (°C)
Initial gas adsorbate (ppmv)
Initial loading factor (0–1)
Bed geometry
Bed diameter, D (m)
Bed length, L (m)
Bed void fraction, ε (-)
Bulk density, ρb (kg/m³)
Axial dispersion, Dax (m²/s)
Particle diameter, dp (m) (info)
3 Adsorbent layers
Layer
Length (m)
Kref (m³/kg)
kLDF (1/s)
1 (top)
2
3 (bottom)
Reference temperature for K, Tref (°C)
Affinity temperature factor, α (1/K)
Adsorption run settings
P (bar abs)
T (°C)
Inlet (ppmv)
Flow input type
Volumetric flow @ bed (m³/s)
Normal flow (Nm³/h)
Q (m³/s)
Flow direction
down (top → bottom)
up (bottom → top)
t_end (s)
Save every (s)
Regeneration run settings
P (bar abs)
T (°C)
Purge (ppmv)
Flow input type
Volumetric flow @ bed (m³/s)
Normal flow (Nm³/h)
Q (m³/s)
Flow direction
up (bottom → top)
down (top → bottom)
t_end (s)
Save every (s)
Flow direction is strict: must be exactly
up
or
down
. Visualization is physical bed (no flipping).
Visualization
FLOW: —
Bed is always drawn top→bottom physically. If regen is upflow, changes appear starting at the bottom.
Plot x-axis is physical z (top→bottom). Inlet marker moves to top/bottom depending on flowDir.
Mode
Idle
Time
0.0 s
Superficial velocity
0.0000 m/s
Outlet
—
Stability
OK