SPECIFICATION SHEET • SI METRIC
CAT: THERMO
Thermal Pipe Expansion Estimate
Calculate thermal linear expansion and a geometric loop-height planning value; final piping flexibility requires a stress analysis.
💡 Engineering Knowledge PrimerHot process piping expands linearly when subjected to operating temperature changes. Installing flexible expansion loops or offsets absorbs thermal stress and prevents flange leaks or pipe anchor damage per ASME B31.3.
OPERATING LIMITS — Linear expansion estimate only; loop geometry requires a pipe flexibility and stress analysis.
INPUT DESIGN PARAMETERS (SI)
m
°C
CALCULATED SPECIFICATION OUTPUT
Linear Thermal Expansion (ΔL)
90 mm
| Geometric Loop Height Planning Value | 3.9 m |
Technical Methodology & Engineering Principles
GOVERNING EQUATION
Expansion ΔL = L × α × ΔT
Expansion Loop Height H = 1.5 × √(L × ΔL)
Assumptions & Scope
Carbon steel α = 1.2 × 10⁻⁵ /°C; loop-height expression is a geometric screen, not an ASME flexibility/stress design.
Operating Range & Boundary
Use finite, physically meaningful inputs within the stated operating assumptions.