Heat Exchanger Sizing Suite
Thermal sizing (LMTD/ε‑NTU), pressure drop, fouling factors, and selection assistance for shell‑and‑tube & plate exchangers.
Trusted by mechanical, process & chemical engineers worldwide
The engineering hub for reliable tools, sizing & design.
Speed up your design cycles with validated calculators, industry‑standard guides, and field‑tested templates for heat exchangers, compressors, piping, scrubbers, line sizing, pressure drop, and more.
Validated Methods
Backed by ASME, API, ASTM & field experience.
Fast & Accurate
Save hours on preliminary and detailed design.
Ready to Deploy
Copy‑paste templates, spreadsheets, and SOPs.
Support
Email support and custom calculator requests.
About Us
Engineering knowledge, simplified and deployable
Grow Mechanical brings together practical, shop‑floor know‑how with rigorous engineering calculations. We build calculators, spreadsheets, and easy‑to‑follow guides so your team can move from concept to commissioning faster—with confidence.
Our Tools & Resources
Reliable calculators used in real projects
Compressor Performance Toolkit
Single & multistage compressor power, polytropic/isentropic efficiency, map fitting, surge/margin checks.
Piping Line Sizing & Pressure Drop
API/ASME‑aligned flow regime checks, Darcy–Weisbach, Crane 410 K‑values, and recommended velocity windows.
Scrubber & Packed Column Designer
HTU/NTU method, flooding correlation, packing selection, tray equivalence, and utilities estimation.
Pump Sizing & NPSH Check
Duty point selection, NPSH available vs required, viscosity corrections, and efficiency interpolation.
Pressure Vessel Thickness
ASME Section VIII Div 1 formulas with corrosion allowance, nozzle reinforcement, and hydrotest pressure.
Educational Articles
Step‑by‑step tutorials & field notes
Shell‑and‑Tube Heat Exchanger: Complete Design Guide
From process data to TEMA selection—thermal design, pressure drop, and mechanical checks.
Centrifugal Compressor Maps: Reading & Using Like a Pro
Polytropic vs isentropic, surge line, stonewall, and how to fit maps to plant data.
Practical Pipe Sizing for Hydrocarbons & Steam
Velocity criteria, noise limits, and quick checks for new and retrofit projects.
Shop
Spreadsheets, web apps & templates
Why Engineers Trust Us
Built by engineers, for engineers
Accuracy you can defend.
Methods traceable to ASME, API, ASTM, TEMA, and vendor data.
Methods traceable to ASME, API, ASTM, TEMA, and vendor data.
Practical documentation.
Clear assumptions, inputs, and outputs for reviews and audits.
Clear assumptions, inputs, and outputs for reviews and audits.
Time‑saving templates.
Kick‑start projects with ready‑to‑use spreadsheets and SOPs.
Kick‑start projects with ready‑to‑use spreadsheets and SOPs.
Continuous updates.
We iterate based on user feedback and field performance.
We iterate based on user feedback and field performance.
Get in Touch
Talk to our engineering team
Contact
Have a project or feature request? Drop us a note.
✉️ support@growmechanical.com
📞 +91‑8010681022
Newsletter
Monthly tips, calculators, and case studies. No spam.
