Description
This Two-Phase Flow Pressure Drop Calculation spreadsheet from 3D-LABS gives instant, checkable results for practising engineers โ no manual derivation required.
Two-Phase Flow Pressure Drop Calculation
This Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel spreadsheet provides a complete, code-compliant engineering solution.
Engineering Spreadsheet โ 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 โ 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 โ 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 ฮP 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 โ secure payment |
| 2 | Download โ instant Excel access |
| 3 | Enter Values โ gas/liquid properties and pipe data |
| 4 | Get Results โ 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
- โ Instant download (also emailed)
- โ Lifetime access
- โ Engineer email support
- โ 7-day refund if file fails to open
๐ Trusted by engineers across 50+ countries ยท ๐ Part of 160+ engineering spreadsheets ยท ๐ 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.
Related Spreadsheets
- Line Sizing & Pressure Drop
- Slug Force Calculation
- Gas Line Sizing by Velocity
- Bernoulli Equation Applications
๐ Ready to download?
Purchase now and get instant access to your spreadsheet.
๐ง info@3d-labs.com | โ +91 9843511204 (IN) | โ +44 7418 355355 (UK)
What’s Included
An instant Excel download with the complete formula set, a worked numerical example, and reference to the governing standard โ ready to adapt to your own project inputs.
Related Calculations
Download the Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel from 3D-LABS for instant, verifiable results.
Download the Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel from 3D-LABS for instant, verifiable results.
What Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel calculates
Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel is an Excel-native engineering calculation tool built by 3D-LABS for engineers, designers, and technical consultants across disciplines. It is used for performing repeatable, verifiable engineering calculations that would otherwise require manual longhand work. Every input is labelled and every output is traceable โ the sheet is designed to be checkable, not a black box.
Codes and standards followed
Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel follows industry-standard Engineering codes including ASME, API, AWWA, TEMA, IS, EN, AISC, ACI, and other industry-standard codes. Each formula is cross-referenced to the applicable code clause so your reviewer can trace calculations back to the standard.
If your project requires a different code base (e.g. converting an IS-code sheet to an ASME basis), we can produce a code-variant edition on request. Contact info@3d-labs.com for a variant quote.
What is included in your download
- The Excel calculation file (.xlsx) โ fully unlocked formulas, cell-level comments, and a clear input/output layout.
- A sample worked example โ realistic inputs plus expected outputs so you can validate the spreadsheet against a known case.
- User notes (PDF) โ assumptions, code clauses referenced, and edge-case guidance.
- Revision history โ every update to the spreadsheet is logged so you know what changed and when.
- Email support โ reply within 24 hours (Monday to Saturday, IST) for questions about the spreadsheet or its use.
Software requirements
Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel runs in Microsoft Excel 2016 or later on Windows and Mac. It is also compatible with LibreOffice Calc and can be imported into Google Sheets (some formatting may shift). No macros are required and no external add-ins are needed โ every calculation runs in cell formulas, which means every step is auditable.
Pricing and delivery
Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel is priced at โน799 (approximate USD equivalent shown in the cart). Delivery is instant โ after payment you get a download link immediately and a receipt by email. One-time purchase, lifetime access, no subscriptions or hidden fees.
Payment methods: Cashfree (Indian customers) or PayPal International (customers outside India). Volume discounts are available on bundles of 5 or more spreadsheets from the same discipline โ contact sales@3d-labs.com for a bundle quote.
Related tools and services
Engineers who work with Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel often also need:
- Other Engineering spreadsheets from our catalogue of 621 tools in this discipline.
- Our Engineering Design Services โ for projects where the calculation is only part of a larger scope and you want the full engineering deliverable produced by 3D-LABS.
- Our online training courses โ instructor-led programmes on Engineering topics, including software mastery and code walkthroughs.
- Our engineering e-book library โ 115+ technical PDF references covering theory, practice, and code interpretation.
Frequently asked questions
What software do I need to run Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel?
The spreadsheet is delivered as a native Excel (.xlsx) file. It runs in Microsoft Excel 2016 or later on Windows and Mac. It also runs in LibreOffice Calc and Google Sheets (with import), though some formatting may shift. No macros are required โ all logic runs in cell formulas so you can audit every step.
Which codes and standards does this spreadsheet follow?
Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel follows ASME, API, AWWA, TEMA, IS, EN, AISC, ACI, and other industry-standard codes. Every formula is cross-referenced to the code clause it implements, so your reviewer can trace the calculation back to the standard. If your project needs a different code, contact us โ many spreadsheets are available in code-variant editions.
Are the formulas locked or editable?
All formulas are unlocked and editable. You can adapt inputs, add your own load combinations, integrate the sheet into your own workflow, and audit the logic. We do not password-protect our worksheets โ an engineer should always be able to verify what the tool is doing.
What is included in the download?
The download includes: (1) the Excel calculation file with all formulas, (2) a sample worked example showing typical inputs and expected outputs, (3) a short user notes PDF explaining assumptions and code clauses used, and (4) a revision history so you can see how the sheet has been updated over time.
Do you offer support if I have questions?
Yes. Email support with any 3D-LABS spreadsheet purchase โ reply within 24 hours (Mon-Sat, IST). We also offer paid tuning if you need the spreadsheet adapted to a specific project (typically USD 50-200 depending on scope). Contact info@3d-labs.com for details.
About 3D-LABS engineering spreadsheets
Two-Phase Flow Pressure Drop Calculation โ Gas-Liquid Piping Excel is one of 621 engineering calculation spreadsheets in the 3D-LABS catalogue โ the largest curated collection of code-compliant Excel calculators for practising engineers anywhere. Each sheet is built and reviewed by 3D-LABS engineers who use them daily on real client projects across pressure vessel design, storage tank design, piping stress analysis, structural engineering, heat exchanger design, and FEA services since 2003.
Browse the full SpreadSheet Calculations catalogue or the Engineering calculations sub-category. Volume discounts apply on 5+ spreadsheets from the same discipline.

