Calculations & measurement
RCF versus RPM: why speed alone is misleading
Rotational speed describes revolutions per minute.
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KNOWLEDGE / 12
Calculations & measurement
Use consistent units and definitions. Distinguish mass from volume, moisture from dry-solids percentage, and installed power from measured energy.
6 independent guides. Use the explanations and worked examples to define a question for your project. Record the feed, the target and the evidence required before comparing a model.
Calculations & measurement
Hydraulic capacity and dry-solids loading
A feed flow stated in m³/h describes hydraulic loading, but it does not tell you how much solid material the centrifuge must transport.
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Calculations & measurement
Calculating real throughput for a batch centrifuge
Basket volume and allowable loading are not hourly throughput.
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Calculations & measurement
Cake moisture: wet basis, dry basis and fair comparisons
Cake-moisture figures are meaningful only when their basis and test method are stated.
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Calculations & measurement
Converting slurry volume flow into mass and dry-solids loading
Volume flow does not determine solids loading without slurry density and a defined solids concentration basis.
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Calculations & measurement
Comparing centrifuge energy use: kW, kWh and kWh per tonne
Motor rating is a design input, not a measurement of process energy consumption.
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