What this tool does
Provides a screening estimate of hydrogen compression duty, shaft power, outlet temperature, and annual energy for multi-stage compression cases.
Compressor Power Estimator
When to use it
Use it for early equipment sizing, utility planning, and quick option comparison. Do not use it as a substitute for OEM compressor selection, surge analysis, or a full mechanical design package.
Key assumptions
- Compression is modelled using staged isentropic logic with equal pressure-ratio distribution.
- Intercooling is assumed between stages, returning gas to the selected inlet temperature basis.
- Hydrogen properties and efficiency inputs are simplified for early engineering screening, not vendor-certified performance.
- Default values are starter assumptions and should be replaced before equipment purchase or guarantee discussions.
Isentropic compression power is calculated stage by stage using equal pressure-ratio distribution. Hydrogen specific heat ratio is assumed at k = 1.405, with intercooling between stages back to the selected inlet-temperature basis.
Compression Results
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Isentropic Power
kW
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Shaft Power
kW
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Annual Energy
MWh/yr (8,000 hr)
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Ratio per Stage
compression ratio
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Stage Outlet Temp
°C (isentropic)
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Specific Energy
kWh/kg H2
Stage-by-Stage Pressure Profile
Equal pressure ratio per stage assumed. Intercooling returns gas to inlet temperature between stages.