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Turbopump Power Estimator

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Estimate hydraulic and shaft power for a pump from mass flow, pressure rise, density, and efficiency.

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Shaft power

294.12 kW

394.4 hp turbine-side input

Hydraulic power

200.00 kW

flow times 8.00 MPa pressure rise

Volumetric flow

25.00 L/s

25.00 kg/s at 1,000 kg/m3

Pump energy rise

The pump converts shaft work into hydraulic power by pushing a measured volumetric flow through the required pressure rise.

294.12 kW shaft

mdot 25.0 kg/sdelta p 8.00 MPashaft 294.1 kWimpeller adds energy to the propellantshaft inputhydraulic outputlossesQ = 0.0250 m3/s200.0 kW into fluid

Pump power chain

Pshaft = delta-p Q / eta

Volumetric flow

25.00 L/s from 1,000 kg/m3

Power split

200.00 kW hydraulic

94.12 kW lost at 68% efficiency

Shaft drive

294.12 kW / 394.4 hp

Open Source and Easy to Use Elsewhere

This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.

Open source: review the implementation and see how the results are produced.

Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.