Differential Pressure between Two Points Calculator

✖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%
✖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%

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

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Formula

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Differential Pressure between Two Points

Formula

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

Example

`"65.646Pa"="1342N/m³"*"12cm"-"1223N/m³"*"7.8cm"`

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Differential Pressure between Two Points Solution

STEP 0: Pre-Calculation Summary

Formula Used

Pressure Changes = Specific Weight 1*Height of Column 1-Specific weight 2*Height of Column 2
Δp = γ₁*h₁-γ₂*h₂
This formula uses 5 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 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.
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.

STEP 1: Convert Input(s) to Base Unit

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)
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)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Δp = γ₁*h₁-γ₂*h₂ --> 1342*0.12-1223*0.078

Evaluating ... ...

Δp = 65.646

STEP 3: Convert Result to Output's Unit

65.646 Pascal --> No Conversion Required

FINAL ANSWER

65.646 Pascal <-- Pressure Changes

(Calculation completed in 00.020 seconds)

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

Kethavath Srinath has created this Calculator and 1000+ more calculators!

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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 between Two Points Formula

Pressure Changes = Specific Weight 1*Height of Column 1-Specific weight 2*Height of Column 2
Δp = γ₁*h₁-γ₂*h₂

How to measure this pressure?

A manometer is a device used to measure the pressure of a fluid by balancing it against a column of liquid. it uses the surface area and weight of a column of liquid to both measure and indicates pressure.

How to Calculate Differential Pressure between Two Points?

Differential Pressure between Two Points calculator uses Pressure Changes = Specific Weight 1*Height of Column 1-Specific weight 2*Height of Column 2 to calculate the Pressure Changes, Differential pressure between two points is the pressure difference between point 1 and point 2. Pressure Changes is denoted by Δp symbol.

How to calculate Differential Pressure between Two Points using this online calculator? To use this online calculator for Differential Pressure between Two Points, enter Specific Weight 1 (γ₁), Height of Column 1 (h₁), Specific weight 2 (γ₂) & Height of Column 2 (h₂) and hit the calculate button. Here is how the Differential Pressure between Two Points calculation can be explained with given input values -> 65.646 = 1342*0.12-1223*0.078.

FAQ

What is Differential Pressure between Two Points?

Differential pressure between two points is the pressure difference between point 1 and point 2 and is represented as Δp = γ₁*h₁-γ₂*h₂ or Pressure Changes = Specific Weight 1*Height of Column 1-Specific weight 2*Height of Column 2. 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, 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.

How to calculate Differential Pressure between Two Points?

Differential pressure between two points is the pressure difference between point 1 and point 2 is calculated using Pressure Changes = Specific Weight 1*Height of Column 1-Specific weight 2*Height of Column 2. To calculate Differential Pressure between Two Points, you need Specific Weight 1 (γ₁), Height of Column 1 (h₁), Specific weight 2 (γ₂) & Height of Column 2 (h₂). With our tool, you need to enter the respective value for Specific Weight 1, Height of Column 1, Specific weight 2 & Height of Column 2 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 1, Height of Column 1, Specific weight 2 & Height of Column 2. We can use 1 other way(s) to calculate the same, which is/are as follows -

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

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