🛢️ Pipeline Linepack Inventory
Calculate high-pressure gas transmission pipeline linepack inventory (Sm³ and tons), AGA average line pressure, usable draft buffer, and autonomy time.
⚡ Fortran 90 Engine
Double Precision (IEEE 754)
✓ ISO / ASME Validated
📊 Solver Telemetry
● ACTIVE
👁️ Consultations
44
⚡ Calculs faits
35
💾 Téléchargements
419
📦 Code Fortran
4.4 KB
📅 Mise en service
Jun 2026
⏱️ Latence
< 1 ms
🛢️ High-Pressure Transmission Pipeline Linepack & Dynamic Storage
Real-time visual simulation of pressure gradient decay P(x) & in-situ gas mass inventory📝 Configuration & Presets
AGA Linepack Formulations:
• Average Pressure: P̄ = ⅔ [ P₁ + P₂² / (P₁ + P₂) ]
• Standard Inventory: Vstd = Vgeom · (P̄ / Pstd) · (Tstd / T̄) · (1/Z)
• Usable Buffer: Vusable = Vstd(P̄) − Vstd(Pmin)
• Autonomy Time: τ = Vusable / Qdemand [hours]
• Average Pressure: P̄ = ⅔ [ P₁ + P₂² / (P₁ + P₂) ]
• Standard Inventory: Vstd = Vgeom · (P̄ / Pstd) · (Tstd / T̄) · (1/Z)
• Usable Buffer: Vusable = Vstd(P̄) − Vstd(Pmin)
• Autonomy Time: τ = Vusable / Qdemand [hours]
📊 Linepack Inventory Results
Configure inputs and click Compute to view results.
📘 Calculation Methodology & AGA Formulations
Non-Linear Pressure Profile P(x)
Due to gas compressibility and expansion, the pressure decay along a transmission pipeline is parabolic rather than linear:
P(x) = √[ P₁² − (x/L)(P₁² − P₂²) ]
Dynamic Linepack Storage Capacity
Transmission pipelines act as large storage reservoirs ("virtual gas holders"), allowing operators to absorb daily peak demand swings by packing or drafting the line.
Key Engineering Assumptions
- Isothermal steady-state gas transmission.
- Standard conditions evaluated at $15^\circ\text{C}$ and $1.01325\,\text{bar a}$ (ISO 13443).
- Compressibility factor $Z$ computed across average pipeline conditions.