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1
Dust & Gas
Stage 1
2
Hood
Stage 2
3
Ductwork
Stage 3
4
Treatment
Stage 4
5
Collector
Stage 5
6
Gas Cooling
Stage 6
7
Fan
Stage 7
8
Safety & Limits
Stage 8
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Detailed design
Stage 3 — Duct Sizing
Flow rate
m³/min
auto-linked from the Stage 2 hood duty
Duct run length
m
Duct material
Carbon steel
SUS304
SUS316L
FRP
Galvanized
Transport velocity V_t
m/s
blank = per-dust recommendation (dust 18–23 m/s, fume 8–10 m/s)
90° elbows (R/D=1.5)
Duct sizing results
Duct diameter D
—
mm
standard size, snapped down
Actual velocity
—
m/s
Reynolds
—
Friction factor f
-
Swamee-Jain
Straight-run loss
—
Pa
Fitting loss
—
Pa
Total static loss
—
Pa
✓ Stage 3 validation — no warnings
← Stage 2
Stage 4 →