💧 Hydrogen Cryogenic Liquefaction (Claude)
Size cryogenic hydrogen liquefaction plants: Specific Energy Consumption (SEC in kWh/kg LH2), exergy efficiency (% Carnot), Claude expansion turbines, and ortho-para conversion.
⚡ Fortran 90 Engine
Double Precision (IEEE 754)
✓ ISO / ASME Validated
📊 Solver Telemetry
● ACTIVE
👁️ Consultations
37
⚡ Calculs faits
28
💾 Téléchargements
408
📦 Code Fortran
11.4 KB
📅 Mise en service
Jun 2026
⏱️ Latence
< 1 ms
💧 Hydrogen Cryogenic Cascade (20 K), Ortho-Para Catalysts & Claude Turbines
Real-time visual simulation: Multi-stage H2 compression, LN2 cold box precooling, catalytic reactors, and cryogenic expansion📝 Configuration & Presets
🏭 Industrial 50 TPD LH2 Plant
🚀 Rocket Spaceport Propellant
🚛 Heavy Mobility Refueling Hub
❄️ High-Exergy Multi-Turbine Loop
Claude Hydrogen Liquefaction Formulation:
• Specific Energy Consumption: SEC = Ẇnet / ṁLH2 [kWh/kg LH₂]
• Ideal Carnot Work: WCarnot = 3.92 kWh/kg LH₂ (including ortho-to-para conversion)
• Exergy Efficiency: ηexergy = WCarnot / SEC [%]
• Continuous Catalytic Ortho-to-Para conversion prevents boil-off loss in storage.
• Specific Energy Consumption: SEC = Ẇnet / ṁLH2 [kWh/kg LH₂]
• Ideal Carnot Work: WCarnot = 3.92 kWh/kg LH₂ (including ortho-to-para conversion)
• Exergy Efficiency: ηexergy = WCarnot / SEC [%]
• Continuous Catalytic Ortho-to-Para conversion prevents boil-off loss in storage.
📊 LH2 Plant Performance
Configure inputs and click Compute to view results.
📘 Calculation Methodology & Cryogenic H2 Standards
Precooled Claude Cycle with Turbo-Expanders
Combines liquid nitrogen ($LN_2$) precooling down to $80\,\text{K}$ with cryogenic Claude expansion turbines generating refrigeration below $40\,\text{K}$ before final Joule-Thomson expansion to $20.3\,\text{K}$.
Essential Ortho-to-Para Catalytic Conversion
Normal $H_2$ at room temperature is $75\%$ ortho and $25\%$ para. At $20\,\text{K}$, equilibrium is $99.8\%$ para. Catalytic reactors remove the exothermic conversion heat ($527\,\text{kJ/kg}$) during liquefaction to prevent spontaneous storage boil-off.
Key Engineering Assumptions
- Multi-stage intercooled hydrogen reciprocating or centrifugal compressors.
- Equilibrium para-hydrogen concentration $\ge 99.5\%$ at liquid storage exit.
- Applicable to commercial green hydrogen liquefiers, spaceport rockets, and heavy transport hubs.