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Manometric Head using Total Head at Outlet and Inlet of Pump Formula

GoManometric Head using Static Head and Losses in Pipes Formula

GoManometric head given head imparted by impeller and loss of head in pump Formula

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The Manometric Head of Centrifugal Pump is the head against which the centrifugal pump has to work. Check FAQs

H m = ((\frac{P 2}{w}) + (\frac{{V d}^{2}}{2 \cdot [g]}) + Z 2) - ((\frac{P 1}{w}) + (\frac{{V s}^{2}}{2 \cdot [g]}) + Z 1)

H_m - Manometric Head of Centrifugal Pump?P₂ - Pressure at Pump Outlet?w - Specific Weight of Fluid in Pump?V_d - Velocity in Delivery Pipe?Z₂ - Datum Head at Pump Outlet?P₁ - Pressure at Pump Inlet?V_s - Velocity in Suction Pipe?Z₁ - Datum Head at Pump Inlet?[g] - Gravitational acceleration on Earth?[g] - Gravitational acceleration on Earth?

Manometric Head using Total Head at Outlet and Inlet of Pump Example

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Here is how the Manometric Head using Total Head at Outlet and Inlet of Pump equation looks like with Values.

Here is how the Manometric Head using Total Head at Outlet and Inlet of Pump equation looks like with Units.

Here is how the Manometric Head using Total Head at Outlet and Inlet of Pump equation looks like.

25.3053 = ((\frac{0.14}{9.81}) + (\frac{{5.23}^{2}}{2 \cdot 9.8066}) + 19.9) - ((\frac{0.07}{9.81}) + (\frac{{2.1}^{2}}{2 \cdot 9.8066}) + 2.9)

25.3053m = ((\frac{0.14MPa}{9.81kN/m³}) + (\frac{{5.23m/s}^{2}}{2 \cdot 9.8066m/s²}) + 19.9m) - ((\frac{0.07MPa}{9.81kN/m³}) + (\frac{{2.1m/s}^{2}}{2 \cdot 9.8066m/s²}) + 2.9m)

25.3053 = ((\frac{0.14}{9.81}) + (\frac{{5.23}^{2}}{2 \cdot 9.8066}) + 19.9) - ((\frac{0.07}{9.81}) + (\frac{{2.1}^{2}}{2 \cdot 9.8066}) + 2.9)

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Manometric Head using Total Head at Outlet and Inlet of Pump Solution

Follow our step by step solution on how to calculate Manometric Head using Total Head at Outlet and Inlet of Pump?

FIRST Step Consider the formula

H m = ((\frac{P 2}{w}) + (\frac{{V d}^{2}}{2 \cdot [g]}) + Z 2) - ((\frac{P 1}{w}) + (\frac{{V s}^{2}}{2 \cdot [g]}) + Z 1)

Next Step Substitute values of Variables

∴

H m = ((\frac{0.14MPa}{9.81kN/m³}) + (\frac{{5.23m/s}^{2}}{2 \cdot [g]}) + 19.9m) - ((\frac{0.07MPa}{9.81kN/m³}) + (\frac{{2.1m/s}^{2}}{2 \cdot [g]}) + 2.9m)

Next Step Substitute values of Constants

∴

H m = ((\frac{0.14MPa}{9.81kN/m³}) + (\frac{{5.23m/s}^{2}}{2 \cdot 9.8066m/s²}) + 19.9m) - ((\frac{0.07MPa}{9.81kN/m³}) + (\frac{{2.1m/s}^{2}}{2 \cdot 9.8066m/s²}) + 2.9m)

Next Step Convert Units

∴

H m = ((\frac{140000Pa}{9810N/m³}) + (\frac{{5.23m/s}^{2}}{2 \cdot 9.8066m/s²}) + 19.9m) - ((\frac{70000Pa}{9810N/m³}) + (\frac{{2.1m/s}^{2}}{2 \cdot 9.8066m/s²}) + 2.9m)

Next Step Prepare to Evaluate

∴

H m = ((\frac{140000}{9810}) + (\frac{{5.23}^{2}}{2 \cdot 9.8066}) + 19.9) - ((\frac{70000}{9810}) + (\frac{{2.1}^{2}}{2 \cdot 9.8066}) + 2.9)

Next Step Evaluate

∴

H m = 25.305338298052m

LAST Step Rounding Answer

∴

H m = 25.3053m

Manometric Head using Total Head at Outlet and Inlet of Pump Formula Elements

Variables

Constants

Manometric Head of Centrifugal Pump

The Manometric Head of Centrifugal Pump is the head against which the centrifugal pump has to work.

Symbol: H_m

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Manometric Head of Centrifugal Pump

Pressure at Pump Outlet

Pressure at pump outlet is the pressure of the fluid at the outlet of the pump.

Symbol: P₂

Measurement: PressureUnit: MPa

Note: Value should be greater than 0.

Formulas to find Pressure at Pump Outlet

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

Velocity in Delivery Pipe

Velocity in Delivery Pipe is the velocity of the liquid flowing through the delivery pipe.

Symbol: V_d

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Velocity in Delivery Pipe

Datum Head at Pump Outlet

Datum Head at Pump Outlet is the vertical height of the pump outlet from the datum line.

Symbol: Z₂

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Datum Head at Pump Outlet

Pressure at Pump Inlet

Pressure at pump inlet is the pressure of the fluid at the inlet of the pump.

Symbol: P₁

Measurement: PressureUnit: MPa

Note: Value should be greater than 0.

Formulas to find Pressure at Pump Inlet

Velocity in Suction Pipe

Velocity in Suction Pipe is the velocity of liquid in suction pipe.

Symbol: V_s

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Velocity in Suction Pipe

Datum Head at Pump Inlet

Datum Head at Pump Inlet is the vertical height of the pump inlet from the datum line.

Symbol: Z₁

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Datum Head at Pump Inlet

Gravitational acceleration on Earth

Gravitational acceleration on Earth means that the velocity of an object in free fall will increase by 9.8 m/s2 every second.

Symbol: [g]

Value: 9.80665 m/s²

Gravitational acceleration on Earth

Gravitational acceleration on Earth means that the velocity of an object in free fall will increase by 9.8 m/s2 every second.

Symbol: [g]

Value: 9.80665 m/s²

Other Formulas to find Manometric Head of Centrifugal Pump

Go Manometric Head using Static Head and Losses in Pipes

H m = H st + h fd + h fs + \frac{{V d}^{2}}{2 \cdot [g]}

Go Manometric head given head imparted by impeller and loss of head in pump

H m = (V w2 \cdot \frac{u 2}{[g]}) - (h Li + h Lc)

Other formulas in Manometer Parameter category

Go Manometric efficiency

η m = \frac{H m}{HI}

Go Manometric Efficiency using Velocities

η m = \frac{[g] \cdot H m}{V w2 \cdot u 2}

How to Evaluate Manometric Head using Total Head at Outlet and Inlet of Pump?

Manometric Head using Total Head at Outlet and Inlet of Pump evaluator uses Manometric Head of Centrifugal Pump = ((Pressure at Pump Outlet/Specific Weight of Fluid in Pump)+((Velocity in Delivery Pipe^2)/(2*[g]))+Datum Head at Pump Outlet)-((Pressure at Pump Inlet/Specific Weight of Fluid in Pump)+((Velocity in Suction Pipe^2)/(2*[g]))+Datum Head at Pump Inlet) to evaluate the Manometric Head of Centrifugal Pump, Manometric Head using Total Head at Outlet and Inlet of Pump formula is defined as the difference in pressure heads between the outlet and inlet of a centrifugal pump, taking into account the velocity and elevation of the fluid at both points, providing a comprehensive measure of the pump's performance. Manometric Head of Centrifugal Pump is denoted by H_m symbol.

How to evaluate Manometric Head using Total Head at Outlet and Inlet of Pump using this online evaluator? To use this online evaluator for Manometric Head using Total Head at Outlet and Inlet of Pump, enter Pressure at Pump Outlet (P₂), Specific Weight of Fluid in Pump (w), Velocity in Delivery Pipe (V_d), Datum Head at Pump Outlet (Z₂), Pressure at Pump Inlet (P₁), Velocity in Suction Pipe (V_s) & Datum Head at Pump Inlet (Z₁) and hit the calculate button.

FAQs on Manometric Head using Total Head at Outlet and Inlet of Pump

What is the formula to find Manometric Head using Total Head at Outlet and Inlet of Pump?

The formula of Manometric Head using Total Head at Outlet and Inlet of Pump is expressed as Manometric Head of Centrifugal Pump = ((Pressure at Pump Outlet/Specific Weight of Fluid in Pump)+((Velocity in Delivery Pipe^2)/(2*[g]))+Datum Head at Pump Outlet)-((Pressure at Pump Inlet/Specific Weight of Fluid in Pump)+((Velocity in Suction Pipe^2)/(2*[g]))+Datum Head at Pump Inlet). Here is an example- 25.30534 = ((140000/9810)+((5.23^2)/(2*[g]))+19.9)-((70000/9810)+((2.1^2)/(2*[g]))+2.9).

How to calculate Manometric Head using Total Head at Outlet and Inlet of Pump?

With Pressure at Pump Outlet (P₂), Specific Weight of Fluid in Pump (w), Velocity in Delivery Pipe (V_d), Datum Head at Pump Outlet (Z₂), Pressure at Pump Inlet (P₁), Velocity in Suction Pipe (V_s) & Datum Head at Pump Inlet (Z₁) we can find Manometric Head using Total Head at Outlet and Inlet of Pump using the formula - Manometric Head of Centrifugal Pump = ((Pressure at Pump Outlet/Specific Weight of Fluid in Pump)+((Velocity in Delivery Pipe^2)/(2*[g]))+Datum Head at Pump Outlet)-((Pressure at Pump Inlet/Specific Weight of Fluid in Pump)+((Velocity in Suction Pipe^2)/(2*[g]))+Datum Head at Pump Inlet). This formula also uses Gravitational acceleration on Earth, Gravitational acceleration on Earth constant(s).

What are the other ways to Calculate Manometric Head of Centrifugal Pump?

Here are the different ways to Calculate Manometric Head of Centrifugal Pump-

Manometric Head of Centrifugal Pump=Static Head of Centrifugal Pump+Friction Head Loss in Pump Delivery Pipe+Friction Head Loss in Pump Suction Pipe+(Velocity in Delivery Pipe^2)/(2*[g])
Manometric Head of Centrifugal Pump=(Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet/[g])-(Head Loss in Pump Impeller+Head Loss in Pump Casing)
Manometric Head of Centrifugal Pump=(Suction Head of Centrifugal Pump+Delivery Head of Pump)+(Friction Head Loss in Pump Suction Pipe+Friction Head Loss in Pump Delivery Pipe)+(Velocity in Delivery Pipe^2)/(2*[g])

Can the Manometric Head using Total Head at Outlet and Inlet of Pump be negative?

No, the Manometric Head using Total Head at Outlet and Inlet of Pump, measured in Length cannot be negative.

Which unit is used to measure Manometric Head using Total Head at Outlet and Inlet of Pump?

Manometric Head using Total Head at Outlet and Inlet of Pump is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Manometric Head using Total Head at Outlet and Inlet of Pump can be measured.

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Manometric Head using Total Head at Outlet and Inlet of Pump Formula

​GoManometric Head using Static Head and Losses in Pipes Formula

​GoManometric head given head imparted by impeller and loss of head in pump Formula

Manometric Head using Total Head at Outlet and Inlet of Pump Example

Manometric Head using Total Head at Outlet and Inlet of Pump Solution

Manometric Head using Total Head at Outlet and Inlet of Pump Formula Elements

Other Formulas to find Manometric Head of Centrifugal Pump

Other formulas in Manometer Parameter category

How to Evaluate Manometric Head using Total Head at Outlet and Inlet of Pump?

FAQs on Manometric Head using Total Head at Outlet and Inlet of Pump

Variable Name

GoManometric Head using Static Head and Losses in Pipes Formula

GoManometric head given head imparted by impeller and loss of head in pump Formula