Description
Two-Phase Flow Pressure Drop Calculation
Engineering Spreadsheet — Instant Download
What This Spreadsheet Does
Calculates pressure drop in two-phase (gas + liquid) piping using industry-standard correlations. Critical for hydrocarbon production lines, condensate return lines, refrigerant piping, and any service where gas and liquid phases flow together.
What’s Inside the Excel File
- Inputs — gas and liquid properties (density, viscosity), flow rates of each phase, pipe geometry (ID, length, elevation), pipe roughness
- Lockhart-Martinelli parameter for flow regime identification
- Flow regime classification — bubble, slug, annular, mist
- Beggs-Brill correlation for inclined and horizontal flow
- Frictional pressure drop per phase contribution
- Elevation pressure drop for inclined lines
- Total ΔP with regime indicator
Who This Is For
- Process and piping engineers in Oil & Gas production
- Subsea and topside flow assurance engineers
- Refrigeration and HVAC piping designers
- EPC piping teams on hydrocarbon transport
Codes & Standards Referenced
- Lockhart-Martinelli two-phase flow correlation
- Beggs-Brill correlation (1973)
- Industry-standard two-phase flow methodology
How It Works
| 1 | Purchase — secure payment |
| 2 | Download — instant Excel access |
| 3 | Enter Values — gas/liquid properties and pipe data |
| 4 | Get Results — pressure drop with flow regime |
File Format & Compatibility
Microsoft Excel (.xlsx). Opens in Excel 2016+, Excel 365, Google Sheets. No macros, no locked cells.
What You Get After Payment
- ✅ Instant download (also emailed)
- ✅ Lifetime access
- ✅ Engineer email support
- ✅ 7-day refund if file fails to open
🌍 Trusted by engineers across 50+ countries · 📚 Part of 160+ engineering spreadsheets · 🛠 Support from qualified engineers
Frequently Asked Questions
Replaces OLGA or PIPESIM?
For complex multiphase flow assurance, dedicated software is preferred. This sheet handles common engineering checks and feasibility.
Three-phase (oil/water/gas)?
Two-phase only. Three-phase requires more rigorous treatment.
Custom version needed?
Request a custom quote.
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