Computational Fluid Dynamics (CFD) Simulation - Hydrogen: Led Gas Dispersion, Venting & Safety Case for Confined Installations

Client Context
Industrial client integrating high-pressure gas systems into depots, enclosures, and semi-confined plantrooms.

What we did
Safety-critical CFD and regulatory interface consultant.

Technical Scope & Depth

• CFD modelling of gas release scenarios under worst-case conditions:

  • Low-wind (<2 m/s) dispersion

  • Jet releases from PRDs and flanges

  • Accumulation in roof voids and equipment corridors

• Translation of CFD outputs into:

  • Hazardous area zoning (DSEAR/ATEX logic)

  • Vent stack geometry and placement

  • Detection and emergency response strategies

• Alignment with ISO/TR 15916-style hydrogen doctrine, applied rigorously to other light gases.

Outcome

• Allowed the client to justify compact layouts without over-engineering civil works.

• Replaced conservative assumptions with quantified, defendable safety margins.

• Directly transferable to CO₂ capture units deployed indoors, near buildings, or in retrofitted industrial sites.