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The Specific weight of liquid 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. Check FAQs
y=Pab,H-Patmh(1+αv[g])
y - Specific Weight of Liquid?Pab,H - Absolute Pressure for Both Direction?Patm - Atmospheric Pressure?h - Height of Crack?αv - Constant Vertical Acceleration?[g] - Gravitational acceleration on Earth?

Specific Weight of Liquid given Pressure at point in Liquid Example

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With units
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Here is how the Specific Weight of Liquid given Pressure at point in Liquid equation looks like with Values.

Here is how the Specific Weight of Liquid given Pressure at point in Liquid equation looks like with Units.

Here is how the Specific Weight of Liquid given Pressure at point in Liquid equation looks like.

4.911Edit=300000Edit-101325Edit20000Edit(1+10.03Edit9.8066)
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Specific Weight of Liquid given Pressure at point in Liquid Solution

Follow our step by step solution on how to calculate Specific Weight of Liquid given Pressure at point in Liquid?

FIRST Step Consider the formula
y=Pab,H-Patmh(1+αv[g])
Next Step Substitute values of Variables
y=300000Pa-101325Pa20000mm(1+10.03m/s²[g])
Next Step Substitute values of Constants
y=300000Pa-101325Pa20000mm(1+10.03m/s²9.8066m/s²)
Next Step Convert Units
y=300000Pa-101325Pa20m(1+10.03m/s²9.8066m/s²)
Next Step Prepare to Evaluate
y=300000-10132520(1+10.039.8066)
Next Step Evaluate
y=4910.950661402N/m³
Next Step Convert to Output's Unit
y=4.910950661402kN/m³
LAST Step Rounding Answer
y=4.911kN/m³

Specific Weight of Liquid given Pressure at point in Liquid Formula Elements

Variables
Constants
Specific Weight of Liquid
The Specific weight of liquid 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.
Symbol: y
Measurement: Specific WeightUnit: kN/m³
Note: Value can be positive or negative.
Absolute Pressure for Both Direction
Absolute Pressure for Both Direction refers to any pressure detected above the absolute zero of pressure.
Symbol: Pab,H
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
Atmospheric Pressure
Atmospheric pressure, also known as barometric pressure, is the pressure within the atmosphere of Earth.
Symbol: Patm
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
Height of Crack
Height of Crack refers to the size of a flaw or crack in a material that can lead to catastrophic failure under a given stress.
Symbol: h
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Constant Vertical Acceleration
Constant Vertical Acceleration refers to the vertical upward acceleration of tank.
Symbol: αv
Measurement: AccelerationUnit: m/s²
Note: Value can be positive or negative.
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 Specific Weight of Liquid

​Go Specific Weights of liquid for Gauge Pressure at any point in liquid
y=Pg,Vh(1+αv[g])

Other formulas in Liquid Containers Subjected To Constant Vertical Acceleration category

​Go Pressure at Any Point in Liquids
Pab,H=Patm+yh(1+αv[g])
​Go Atmospheric Pressure given Pressure at Any Point in Liquid in Constant Vertical Acceleration
Patm=Pab,H+yh(1+αv[g])
​Go Vertical Depth below Free Surface given Pressure at point in Liquid
h=Pab,H-Patmy(1+αv[g])
​Go Constant Vertical Upward Acceleration given Pressure at any Point in Liquid
αv=((Pab,H-Patmyh)-1)[g]

How to Evaluate Specific Weight of Liquid given Pressure at point in Liquid?

Specific Weight of Liquid given Pressure at point in Liquid evaluator uses Specific Weight of Liquid = (Absolute Pressure for Both Direction-Atmospheric Pressure)/(Height of Crack*(1+Constant Vertical Acceleration/[g])) to evaluate the Specific Weight of Liquid, The Specific Weight of Liquid given Pressure at point in Liquid formula is defined as the weight of liquid per cubic meter of liquid. Specific Weight of Liquid is denoted by y symbol.

How to evaluate Specific Weight of Liquid given Pressure at point in Liquid using this online evaluator? To use this online evaluator for Specific Weight of Liquid given Pressure at point in Liquid, enter Absolute Pressure for Both Direction (Pab,H), Atmospheric Pressure (Patm), Height of Crack (h) & Constant Vertical Acceleration v) and hit the calculate button.

FAQs on Specific Weight of Liquid given Pressure at point in Liquid

What is the formula to find Specific Weight of Liquid given Pressure at point in Liquid?
The formula of Specific Weight of Liquid given Pressure at point in Liquid is expressed as Specific Weight of Liquid = (Absolute Pressure for Both Direction-Atmospheric Pressure)/(Height of Crack*(1+Constant Vertical Acceleration/[g])). Here is an example- 0.004911 = (300000-101325)/(20*(1+10.03/[g])).
How to calculate Specific Weight of Liquid given Pressure at point in Liquid?
With Absolute Pressure for Both Direction (Pab,H), Atmospheric Pressure (Patm), Height of Crack (h) & Constant Vertical Acceleration v) we can find Specific Weight of Liquid given Pressure at point in Liquid using the formula - Specific Weight of Liquid = (Absolute Pressure for Both Direction-Atmospheric Pressure)/(Height of Crack*(1+Constant Vertical Acceleration/[g])). This formula also uses Gravitational acceleration on Earth constant(s).
What are the other ways to Calculate Specific Weight of Liquid?
Here are the different ways to Calculate Specific Weight of Liquid-
  • Specific Weight of Liquid=Gauge Pressure for Vertical/(Height of Crack*(1+Constant Vertical Acceleration/[g]))OpenImg
Can the Specific Weight of Liquid given Pressure at point in Liquid be negative?
Yes, the Specific Weight of Liquid given Pressure at point in Liquid, measured in Specific Weight can be negative.
Which unit is used to measure Specific Weight of Liquid given Pressure at point in Liquid?
Specific Weight of Liquid given Pressure at point in Liquid is usually measured using the Kilonewton per Cubic Meter[kN/m³] for Specific Weight. Newton per Cubic Meter[kN/m³], Newton per Cubic Centimeter[kN/m³], Newton per Cubic Millimeter[kN/m³] are the few other units in which Specific Weight of Liquid given Pressure at point in Liquid can be measured.
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