Paano kalkulahin ang shaft power ng fan?

P=Q×ΔP/(η×1000). Ang Q ay nasa m³/s, ΔP ay nasa Pa, η=kahusayan.

Typical fan efficiency?

Forward-curved: 60-70%. Backward: 75-85%. Airfoil: 80-90%.

Total=static+dynamic. Fan total efficiency uses total pressure.

Motor≥shaft power×1.15-1.25 safety factor.

Brake Horsepower=air power/efficiency. Motor HP ay dapat lumampas sa BHP.

Libreng Kasangkapan sa Inhinyeriya — #160

P_shaft=Q×ΔP/(η×1000). Calculate fan brake horsepower.

P=Q×ΔP/(η×1000)BHP

Fan Shaft Power

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Power (hp)

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Air Power

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Flow (m³/h)

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