CAPCO
FEL-3 Shell & Tube Heat Exchanger Design Engine — TEMA Standards
TEMA / AACE CLASS 3
HOT SIDE
COLD SIDE
Flow Arrangement
Tube Geometry (TEMA)
Shell & Baffle (TEMA)
Thermal Design Results
LMTD & Ft Correction Factor
LMTD (counterflow basis)
—
°C
Ft correction factor
—
0.50.75 min1.0
Effective ΔTₘ = LMTD × Ft
—
°C
Overall Heat Transfer Coefficient U
U (clean)
—
W/m²·K
U (fouled — design basis)
—
W/m²·K
1/U = 1/h_shell + Rf_shell + (OD·ln(OD/ID))/(2kw) + Rf_tube·(OD/ID) + OD/(ID·h_tube)
Required Surface Area & Tube Count
Area — with over-design
—
m²
Full Thermal Summary
Tubes per pass
—
tubes/pass
Sensitivity — Tube OD Variants
Tube Size Sensitivity vs. Shell Area
| Tube OD | ID (mm) | A/tube (m²) | U fouled (W/m²K) | A req. fouled (m²) | N tubes | D shell (mm) | L/D | Status |
|---|
TEMA Equipment Specification Sheet
FEL-3 Datasheet — Shell & Tube HX