Absolute Pressure at Height h Calculator

✖Atmospheric pressure also known as barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.ⓘ Atmospheric pressure [P_atm]			+10% -10%
✖The Specific weight of liquids is also known as the unit weight, is the weight per unit volume of the liquid. For Example - Specific weight of water on Earth at 4°C is 9.807 kN/m3 or 62.43 lbf/ft3.ⓘ Specific weight of liquids [y_liquid]			+10% -10%
✖Height Absolute is the distance between the lowest and highest points of a person/ shape/ object standing upright.ⓘ Height Absolute [h_absolute]			+10% -10%

✖Absolute pressure is the sum of gauge pressure and atmospheric pressure.ⓘ Absolute Pressure at Height h [P_abs]

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Formula

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Absolute Pressure at Height h

Formula

`"P"_{"abs"} = "P"_{"atm"}+"y"_{"liquid"}*"h"_{"absolute"}`

Example

`"101110.6Pa"="101000Pa"+"9.85N/m³"*"1123cm"`

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Absolute Pressure at Height h Solution

STEP 0: Pre-Calculation Summary

Formula Used

Absolute pressure = Atmospheric pressure+Specific weight of liquids*Height Absolute
P_abs = P_atm+y_liquid*h_absolute
This formula uses 4 Variables

Variables Used

Absolute pressure - (Measured in Pascal) - Absolute pressure is the sum of gauge pressure and atmospheric pressure.
Atmospheric pressure - (Measured in Pascal) - Atmospheric pressure also known as barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.
Specific weight of liquids - (Measured in Newton per Cubic Meter) - The Specific weight of liquids is also known as the unit weight, is the weight per unit volume of the liquid. For Example - Specific weight of water on Earth at 4°C is 9.807 kN/m3 or 62.43 lbf/ft3.
Height Absolute - (Measured in Meter) - Height Absolute is the distance between the lowest and highest points of a person/ shape/ object standing upright.

STEP 1: Convert Input(s) to Base Unit

Atmospheric pressure: 101000 Pascal --> 101000 Pascal No Conversion Required
Specific weight of liquids: 9.85 Newton per Cubic Meter --> 9.85 Newton per Cubic Meter No Conversion Required
Height Absolute: 1123 Centimeter --> 11.23 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_abs = P_atm+y_liquid*h_absolute --> 101000+9.85*11.23

Evaluating ... ...

P_abs = 101110.6155

STEP 3: Convert Result to Output's Unit

101110.6155 Pascal --> No Conversion Required

FINAL ANSWER

101110.6155 ≈ 101110.6 Pascal <-- Absolute pressure

(Calculation completed in 00.020 seconds)

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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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)

Absolute Pressure at Height h Formula

Absolute pressure = Atmospheric pressure+Specific weight of liquids*Height Absolute
P_abs = P_atm+y_liquid*h_absolute

What is absolute pressure?

Absolute pressure is the sum of gauge pressure and atmospheric pressure. Absolute pressure is measured relative to a full vacuum. The Absolute pressure in fluids cannot be negative. Fluids push rather than pull, so the smallest absolute pressure is zero.

How to Calculate Absolute Pressure at Height h?

Absolute Pressure at Height h calculator uses Absolute pressure = Atmospheric pressure+Specific weight of liquids*Height Absolute to calculate the Absolute pressure, Absolute pressure at height h is the total pressure present at the height h from the surface line. Absolute pressure is denoted by P_abs symbol.

How to calculate Absolute Pressure at Height h using this online calculator? To use this online calculator for Absolute Pressure at Height h, enter Atmospheric pressure (P_atm), Specific weight of liquids (y_liquid) & Height Absolute (h_absolute) and hit the calculate button. Here is how the Absolute Pressure at Height h calculation can be explained with given input values -> 101110.6 = 101000+9.85*11.23.

FAQ

What is Absolute Pressure at Height h?

Absolute pressure at height h is the total pressure present at the height h from the surface line and is represented as P_abs = P_atm+y_liquid*h_absolute or Absolute pressure = Atmospheric pressure+Specific weight of liquids*Height Absolute. Atmospheric pressure also known as barometric pressure (after the barometer), is the pressure within the atmosphere of Earth, The Specific weight of liquids is also known as the unit weight, is the weight per unit volume of the liquid. For Example - Specific weight of water on Earth at 4°C is 9.807 kN/m3 or 62.43 lbf/ft3 & Height Absolute is the distance between the lowest and highest points of a person/ shape/ object standing upright.

How to calculate Absolute Pressure at Height h?

Absolute pressure at height h is the total pressure present at the height h from the surface line is calculated using Absolute pressure = Atmospheric pressure+Specific weight of liquids*Height Absolute. To calculate Absolute Pressure at Height h, you need Atmospheric pressure (P_atm), Specific weight of liquids (y_liquid) & Height Absolute (h_absolute). With our tool, you need to enter the respective value for Atmospheric pressure, Specific weight of liquids & Height Absolute and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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