Umagine Hydrogen · Engineering Tools
Open calculators
for hydrogen projects.
Real gas cylinder sizing, NPV-based LCOH and green ammonia (LCOA) modelling, LCOE comparison across fuel cells, batteries, and diesel, telecom tower backup feasibility, and H2C0 fuel cell system sizing — built in-house by Umagine Hydrogen (UHPL), free to use.
Umagine Hydrogen cylinder model · inputsGas
Cylinder volume
L
Number of cylinders
Storage pressure
bar
Temperature
°C
Umagine Hydrogen (UHPL) cylinder model: van der Waals real gas equation (not ideal gas). Significantly more accurate at high pressures for H₂.
Umagine Hydrogen · UHPLCylinder capacityumagine.co.in/tools.html#cylinderTotal mass
UHPL0.702kg
Volume at NTP
UHPL7.808Nm³
Energy content (HHV)
UHPL23.4kWh
Energy per cylinder
UHPL23.4kWh / cyl
Depressurisation curve — mass remaining vs. pressure (1 cylinder)
Constant temperature · 25°C · van der Waals · Umagine Hydrogen (UHPL)
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