Differential Pressure-Differential Manometer Calculator

✖Specific weight 2 is the specific weight of 2nd fluid.ⓘ Specific weight 2 [γ₂]			+10% -10%
✖Height of column 2 is the length of the column2 measured from bottom to Top.ⓘ Height of Column 2 [h₂]			+10% -10%
✖Specific Weight of Manometer liquid is used in calculating the U-tube manometer equation.ⓘ Specific Weight of Manometer liquid [γ_m]			+10% -10%
✖Height of manometer liquid present in the manometer tube.ⓘ Height of Manometer Liquid [h_m]			+10% -10%
✖Specific weight 1 is the specific weight of the fluid 1.ⓘ Specific Weight 1 [γ₁]			+10% -10%
✖Height of column 1 is the length of the column1 measured from bottom to Top.ⓘ Height of Column 1 [h₁]			+10% -10%

✖Pressure changes is the difference between the pressure inside the liquid droplet and atmospheric pressure.ⓘ Differential Pressure-Differential Manometer [Δp]

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Formula

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Differential Pressure-Differential Manometer

Formula

`"Δp" = "γ"_{"2"}*"h"_{"2"}+"γ"_{"m"}*"h"_{"m"}-"γ"_{"1"}*"h"_{"1"}`

Example

`"-38.146Pa"="1223N/m³"*"7.8cm"+"500N/m³"*"5.5cm"-"1342N/m³"*"12cm"`

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Differential Pressure-Differential Manometer Solution

STEP 0: Pre-Calculation Summary

Formula Used

Pressure Changes = Specific weight 2*Height of Column 2+Specific Weight of Manometer liquid*Height of Manometer Liquid-Specific Weight 1*Height of Column 1
Δp = γ₂*h₂+γ_m*h_m-γ₁*h₁
This formula uses 7 Variables

Variables Used

Pressure Changes - (Measured in Pascal) - Pressure changes is the difference between the pressure inside the liquid droplet and atmospheric pressure.
Specific weight 2 - (Measured in Newton per Cubic Meter) - Specific weight 2 is the specific weight of 2nd fluid.
Height of Column 2 - (Measured in Meter) - Height of column 2 is the length of the column2 measured from bottom to Top.
Specific Weight of Manometer liquid - (Measured in Newton per Cubic Meter) - Specific Weight of Manometer liquid is used in calculating the U-tube manometer equation.
Height of Manometer Liquid - (Measured in Meter) - Height of manometer liquid present in the manometer tube.
Specific Weight 1 - (Measured in Newton per Cubic Meter) - Specific weight 1 is the specific weight of the fluid 1.
Height of Column 1 - (Measured in Meter) - Height of column 1 is the length of the column1 measured from bottom to Top.

STEP 1: Convert Input(s) to Base Unit

Specific weight 2: 1223 Newton per Cubic Meter --> 1223 Newton per Cubic Meter No Conversion Required
Height of Column 2: 7.8 Centimeter --> 0.078 Meter (Check conversion here)
Specific Weight of Manometer liquid: 500 Newton per Cubic Meter --> 500 Newton per Cubic Meter No Conversion Required
Height of Manometer Liquid: 5.5 Centimeter --> 0.055 Meter (Check conversion here)
Specific Weight 1: 1342 Newton per Cubic Meter --> 1342 Newton per Cubic Meter No Conversion Required
Height of Column 1: 12 Centimeter --> 0.12 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Δp = γ₂*h₂+γ_m*h_m-γ₁*h₁ --> 1223*0.078+500*0.055-1342*0.12

Evaluating ... ...

Δp = -38.146

STEP 3: Convert Result to Output's Unit

-38.146 Pascal --> No Conversion Required

FINAL ANSWER

-38.146 Pascal <-- Pressure Changes

(Calculation completed in 00.004 seconds)

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

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< 25 Pressure Relations Calculators

Depth of Centroid given Center of Pressure

Go Depth of Centroid = (Center of Pressure*Surface area+sqrt((Center of Pressure*Surface area)^2+4*Surface area*Moment of Inertia))/(2*Surface area)

Center of Pressure on Inclined Plane

Go Center of Pressure = Depth of Centroid+(Moment of Inertia*sin(Angle)*sin(Angle))/(Wet Surface Area*Depth of Centroid)

Differential Pressure-Differential Manometer

Go Pressure Changes = Specific weight 2*Height of Column 2+Specific Weight of Manometer liquid*Height of Manometer Liquid-Specific Weight 1*Height of Column 1

Area of Surface Wetted given Center of Pressure

Go Wet Surface Area = Moment of Inertia/((Center of Pressure-Depth of Centroid)*Depth of Centroid)

Height of Fluid 1 given Differential Pressure between Two Points

Go Height of Column 1 = (Pressure Changes+Specific weight 2*Height of Column 2)/Specific Weight 1

Height of Fluid 2 given Differential Pressure between Two Points

Go Height of Column 2 = (Specific Weight 1*Height of Column 1-Pressure Changes)/Specific weight 2

Moment of Inertia of Centroid given Center of Pressure

Go Moment of Inertia = (Center of Pressure-Depth of Centroid)*Wet Surface Area*Depth of Centroid

Center of Pressure

Go Center of Pressure = Depth of Centroid+Moment of Inertia/(Wet Surface Area*Depth of Centroid)

Differential Pressure between Two Points

Go Pressure Changes = Specific Weight 1*Height of Column 1-Specific weight 2*Height of Column 2

Angle of Inclined Manometer given Pressure at Point

Go Angle = asin(Pressure on Point/Specific Weight 1*Length of Inclined Manometer)

Length of Inclined Manometer

Go Length of Inclined Manometer = Pressure a/(Specific Weight 1*sin(Angle))

Pressure using Inclined Manometer

Go Pressure a = Specific Weight 1*Length of Inclined Manometer*sin(Angle)

Absolute Pressure at Height h

Go Absolute pressure = Atmospheric pressure+Specific weight of liquids*Height Absolute

Height of Liquid given its Absolute Pressure

Go Height Absolute = (Absolute pressure-Atmospheric pressure)/Specific Weight

Pressure Wave Velocity in Fluids

Go Velocity of pressure wave = sqrt(Bulk Modulus/Mass Density)

Velocity of Fluid given Dynamic Pressure

Go Fluid Velocity = sqrt(Dynamic Pressure*2/Liquid Density)

Dynamic Pressure Head-Pitot Tube

Go Dynamic Pressure Head = (Fluid Velocity^(2))/(2*Acceleration Due To Gravity)

Diameter of Soap Bubble

Go Diameter of Droplet = (8*Surface Tensions)/Pressure Changes

Surface Tension of Liquid Drop given Change in Pressure

Go Surface Tensions = Pressure Changes*Diameter of Droplet/4

Diameter of Droplet given Change in Pressure

Go Diameter of Droplet = 4*Surface Tensions/Pressure Changes

Mass Density given Velocity of Pressure Wave

Go Mass Density = Bulk Modulus/(Velocity of pressure wave^2)

Surface Tension of Soap Bubble

Go Surface Tensions = Pressure Changes*Diameter of Droplet/8

Dynamic Pressure of Fluid

Go Dynamic Pressure = (Liquid Density*Fluid Velocity^(2))/2

Bulk Modulus given Velocity of Pressure Wave

Go Bulk Modulus = Velocity of pressure wave^2*Mass Density

Density of Liquid given Dynamic Pressure

Go Liquid Density = 2*Dynamic Pressure/(Fluid Velocity^2)

Differential Pressure-Differential Manometer Formula

Pressure Changes = Specific weight 2*Height of Column 2+Specific Weight of Manometer liquid*Height of Manometer Liquid-Specific Weight 1*Height of Column 1
Δp = γ₂*h₂+γ_m*h_m-γ₁*h₁

What is Differential Manometer?

A differential manometer is a device that measures the difference in pressure between two places. Differential manometers can range from devices simple enough to be built at home to complex digital equipment.

How to Calculate Differential Pressure-Differential Manometer?

Differential Pressure-Differential Manometer calculator uses Pressure Changes = Specific weight 2*Height of Column 2+Specific Weight of Manometer liquid*Height of Manometer Liquid-Specific Weight 1*Height of Column 1 to calculate the Pressure Changes, Differential pressure-Differential Manometer is the preassure difference between two points using Differential Manometer. Pressure Changes is denoted by Δp symbol.

How to calculate Differential Pressure-Differential Manometer using this online calculator? To use this online calculator for Differential Pressure-Differential Manometer, enter Specific weight 2 (γ₂), Height of Column 2 (h₂), Specific Weight of Manometer liquid (γ_m), Height of Manometer Liquid (h_m), Specific Weight 1 (γ₁) & Height of Column 1 (h₁) and hit the calculate button. Here is how the Differential Pressure-Differential Manometer calculation can be explained with given input values -> -28.146 = 1223*0.078+500*0.0055-1342*0.12.

FAQ

What is Differential Pressure-Differential Manometer?

Differential pressure-Differential Manometer is the preassure difference between two points using Differential Manometer and is represented as Δp = γ₂*h₂+γ_m*h_m-γ₁*h₁ or Pressure Changes = Specific weight 2*Height of Column 2+Specific Weight of Manometer liquid*Height of Manometer Liquid-Specific Weight 1*Height of Column 1. Specific weight 2 is the specific weight of 2nd fluid, Height of column 2 is the length of the column2 measured from bottom to Top, Specific Weight of Manometer liquid is used in calculating the U-tube manometer equation, Height of manometer liquid present in the manometer tube, Specific weight 1 is the specific weight of the fluid 1 & Height of column 1 is the length of the column1 measured from bottom to Top.

How to calculate Differential Pressure-Differential Manometer?

Differential pressure-Differential Manometer is the preassure difference between two points using Differential Manometer is calculated using Pressure Changes = Specific weight 2*Height of Column 2+Specific Weight of Manometer liquid*Height of Manometer Liquid-Specific Weight 1*Height of Column 1. To calculate Differential Pressure-Differential Manometer, you need Specific weight 2 (γ₂), Height of Column 2 (h₂), Specific Weight of Manometer liquid (γ_m), Height of Manometer Liquid (h_m), Specific Weight 1 (γ₁) & Height of Column 1 (h₁). With our tool, you need to enter the respective value for Specific weight 2, Height of Column 2, Specific Weight of Manometer liquid, Height of Manometer Liquid, Specific Weight 1 & Height of Column 1 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Pressure Changes?

In this formula, Pressure Changes uses Specific weight 2, Height of Column 2, Specific Weight of Manometer liquid, Height of Manometer Liquid, Specific Weight 1 & Height of Column 1. We can use 1 other way(s) to calculate the same, which is/are as follows -

Pressure Changes = Specific Weight 1*Height of Column 1-Specific weight 2*Height of Column 2

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