Hydrogen & Ammonia: Engineering the Future of Clean Energy
The transition to a Hydrogen economy and the use of Ammonia as a carbon-free energy carrier introduce extreme technical challenges. From the ultra-cryogenic temperatures of Liquid Hydrogen (LH₂) at -253°C to the high-pressure pulsations in Ammonia synthesis, standard design is not enough.
At Dynaflow Research Group, we apply advanced dynamic and acoustic analysis to de-risk these next-generation assets.
HYDROGEN & AMMONIA sOLUTIONS
Featured Services
High-pressure drops across relief or control valves in H2 and NH3 systems generate high-frequency acoustic energy that can cause “thin-wall” piping to fail in minutes.
- We perform LOF (Likelihood of Failure) screenings based on the Energy Institute (EI) Guidelines.
Hydrogen compressors and high-velocity gas flows can excite the mechanical natural frequencies of your piping system.
- API 618 & API 674 Checks: For reciprocating compressors and pumps, we perform Pulsation & Vibration Analyses to ensure compliance with API standards, preventing resonance in compressor bottles and manifold piping.
- Modal & Dynamic Analysis: We verify that mechanical natural frequencies (MNF) have a sufficient separation margin from operating frequencies, as mandated by API
The extreme thermal gradients of liquid Hydrogen (-253°C) and the high pressures of Ammonia synthesis create high-risk transient conditions.
- We ensure that transient surge pressures and thermal shocks remain within the allowable stress limits defined by ASME
- Water Hammer & Surge: Using advanced hydraulic modeling, we simulate valve closures and pump trips to prevent “column separation” and catastrophic pressure spikes.
- Fatigue Analysis: We provide startup/shutdown “ramp-up” protocols based on ASME Section VIII, Div 2 fatigue cycles to ensure the long-term life of pressure vessels and piping.
Ammonia and Hydrogen refrigeration cycles often involve complex two-phase (gas-liquid) regimes where “slugging” can make pipe supports fail.
- Multiphase CFD: We use Computational Fluid Dynamics to model phase changes and boiling dynamics, ensuring piping and supports can withstand the momentum of liquid slugs.