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Static power Formula

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Static power of centrifugal pump is the amount of energy liberated per second in the centrifugal pump. Check FAQs

P = \frac{w \cdot Q \cdot H st}{1000}

P - Static Power of Centrifugal Pump?w - Specific Weight of Fluid in Pump?Q - Actual Discharge at Centrifugal Pump Outlet?H_st - Static Head of Centrifugal Pump?

Static power Example

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Here is how the Static power equation looks like with Values.

Here is how the Static power equation looks like with Units.

Here is how the Static power equation looks like.

11.5366 = \frac{9.81 \cdot 0.056 \cdot 21}{1000}

11.5366kW = \frac{9.81kN/m³ \cdot 0.056m³/s \cdot 21m}{1000}

11.5366 = \frac{9.81 \cdot 0.056 \cdot 21}{1000}

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Static power Solution

Follow our step by step solution on how to calculate Static power?

FIRST Step Consider the formula

P = \frac{w \cdot Q \cdot H st}{1000}

Next Step Substitute values of Variables

∴

P = \frac{9.81kN/m³ \cdot 0.056m³/s \cdot 21m}{1000}

Next Step Convert Units

∴

P = \frac{9810N/m³ \cdot 0.056m³/s \cdot 21m}{1000}

Next Step Prepare to Evaluate

∴

P = \frac{9810 \cdot 0.056 \cdot 21}{1000}

Next Step Evaluate

∴

P = 11536.56W

Next Step Convert to Output's Unit

∴

P = 11.53656kW

LAST Step Rounding Answer

∴

P = 11.5366kW

Static power Formula Elements

Variables

Static Power of Centrifugal Pump

Static power of centrifugal pump is the amount of energy liberated per second in the centrifugal pump.

Symbol: P

Measurement: PowerUnit: kW

Note: Value should be greater than 0.

Formulas to find Static Power of Centrifugal Pump

Specific Weight of Fluid in Pump

Specific weight of fluid in pump is the weight of fluid per unit volume.

Symbol: w

Measurement: Specific WeightUnit: kN/m³

Note: Value should be greater than 0.

Formulas to find Specific Weight of Fluid in Pump

Actual Discharge at Centrifugal Pump Outlet

Actual discharge at centrifugal pump outlet is the actual amount of the liquid outflow from the outlet of the centrifugal pump.

Symbol: Q

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value should be greater than 0.

Formulas to find Actual Discharge at Centrifugal Pump Outlet

Static Head of Centrifugal Pump

Static head of centrifugal pump is the sum of suction head and delivery head of the centrifugal pump.

Symbol: H_st

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Static Head of Centrifugal Pump

Other formulas in Pump Parameters category

Go Angular Velocity of Centrifugal Pump

ω = \frac{2 \cdot π \cdot N r}{60}

Go Minimum speed for starting centrifugal pump

N min = \frac{120 \cdot η m \cdot V w2 \cdot D 2}{π \cdot ({D 2}^{2} - {D 1}^{2})} \cdot (\frac{2 \cdot π}{60})

Go Volumetric Efficiency of Pump given Discharge and Leakage of Liquid

η vol = \frac{Q}{Q + q}

Go Output power

OP = \frac{w \cdot Q \cdot H m}{1000}

How to Evaluate Static power?

Static power evaluator uses Static Power of Centrifugal Pump = (Specific Weight of Fluid in Pump*Actual Discharge at Centrifugal Pump Outlet*Static Head of Centrifugal Pump)/1000 to evaluate the Static Power of Centrifugal Pump, Static power formula is defined as the measure of the rate at which work is done or energy is transferred in a pumping system, typically used to quantify the performance of a pump in terms of its ability to overcome resistance and lift fluids to a certain height. Static Power of Centrifugal Pump is denoted by P symbol.

How to evaluate Static power using this online evaluator? To use this online evaluator for Static power, enter Specific Weight of Fluid in Pump (w), Actual Discharge at Centrifugal Pump Outlet (Q) & Static Head of Centrifugal Pump (H_st) and hit the calculate button.

FAQs on Static power

What is the formula to find Static power?

The formula of Static power is expressed as Static Power of Centrifugal Pump = (Specific Weight of Fluid in Pump*Actual Discharge at Centrifugal Pump Outlet*Static Head of Centrifugal Pump)/1000. Here is an example- 0.011537 = (9810*0.056*21)/1000.

How to calculate Static power?

With Specific Weight of Fluid in Pump (w), Actual Discharge at Centrifugal Pump Outlet (Q) & Static Head of Centrifugal Pump (H_st) we can find Static power using the formula - Static Power of Centrifugal Pump = (Specific Weight of Fluid in Pump*Actual Discharge at Centrifugal Pump Outlet*Static Head of Centrifugal Pump)/1000.

Can the Static power be negative?

No, the Static power, measured in Power cannot be negative.

Which unit is used to measure Static power?

Static power is usually measured using the Kilowatt[kW] for Power. Watt[kW], Milliwatt[kW], Microwatt[kW] are the few other units in which Static power can be measured.

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Static power Formula

Static power Example

Static power Solution

Static power Formula Elements

Other formulas in Pump Parameters category

How to Evaluate Static power?

FAQs on Static power

Variable Name