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Pressure Gradient is the change in pressure with respect to radial distance of element. Check FAQs
dp|dr=μ2(uOiltank-(vpistonRCH))RR-CHR
dp|dr - Pressure Gradient?μ - Dynamic Viscosity?uOiltank - Fluid Velocity in Oil Tank?vpiston - Velocity of Piston?R - Horizontal Distance?CH - Hydraulic Clearance?

Pressure Gradient given Velocity of Flow in Oil Tank Example

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With units
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Here is how the Pressure Gradient given Velocity of Flow in Oil Tank equation looks like with Values.

Here is how the Pressure Gradient given Velocity of Flow in Oil Tank equation looks like with Units.

Here is how the Pressure Gradient given Velocity of Flow in Oil Tank equation looks like.

50.9776Edit=10.2Edit2(12Edit-(0.045Edit0.7Edit50Edit))0.7Edit0.7Edit-50Edit0.7Edit
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Pressure Gradient given Velocity of Flow in Oil Tank Solution

Follow our step by step solution on how to calculate Pressure Gradient given Velocity of Flow in Oil Tank?

FIRST Step Consider the formula
dp|dr=μ2(uOiltank-(vpistonRCH))RR-CHR
Next Step Substitute values of Variables
dp|dr=10.2P2(12m/s-(0.045m/s0.7m50mm))0.7m0.7m-50mm0.7m
Next Step Convert Units
dp|dr=1.02Pa*s2(12m/s-(0.045m/s0.7m0.05m))0.7m0.7m-0.05m0.7m
Next Step Prepare to Evaluate
dp|dr=1.022(12-(0.0450.70.05))0.70.7-0.050.7
Next Step Evaluate
dp|dr=50.9775824175824N/m³
LAST Step Rounding Answer
dp|dr=50.9776N/m³

Pressure Gradient given Velocity of Flow in Oil Tank Formula Elements

Variables
Pressure Gradient
Pressure Gradient is the change in pressure with respect to radial distance of element.
Symbol: dp|dr
Measurement: Pressure GradientUnit: N/m³
Note: Value can be positive or negative.
Dynamic Viscosity
The Dynamic Viscosity refers to the internal resistance of a fluid to flow when a force is applied.
Symbol: μ
Measurement: Dynamic ViscosityUnit: P
Note: Value should be greater than 0.
Fluid Velocity in Oil Tank
Fluid Velocity in Oil Tank is the volume of fluid flowing in the given vessel per unit cross sectional area.
Symbol: uOiltank
Measurement: SpeedUnit: m/s
Note: Value can be positive or negative.
Velocity of Piston
Velocity of piston in reciprocating pump is defined as the product of sin of angular velocity and time, radius of crank and angular velocity.
Symbol: vpiston
Measurement: SpeedUnit: m/s
Note: Value can be positive or negative.
Horizontal Distance
Horizontal Distance denotes the instantaneous horizontal distance cover by an object in a projectile motion.
Symbol: R
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Hydraulic Clearance
Hydraulic Clearance is the gap or space between two surfaces adjacent to each other.
Symbol: CH
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other Formulas to find Pressure Gradient

​Go Pressure Gradient given Rate of Flow
dp|dr=(12μCR3)((QπD)+vpiston0.5CR)

Other formulas in Dash Pot Mechanism category

​Go Velocity of Flow in Oil Tank
uOiltank=(dp|dr0.5RR-CHRμ)-(vpistonRCH)
​Go Pressure Drop over Piston
ΔPf=(6μvpistonLPCR3)(0.5D+CR)
​Go Length of Piston for Pressure Drop over Piston
LP=ΔPf(6μvpistonCR3)(0.5D+CR)
​Go Pressure Drop over Length of Piston given Vertical Upward Force on Piston
ΔPf=Fv0.25πDD

How to Evaluate Pressure Gradient given Velocity of Flow in Oil Tank?

Pressure Gradient given Velocity of Flow in Oil Tank evaluator uses Pressure Gradient = (Dynamic Viscosity*2*(Fluid Velocity in Oil Tank-(Velocity of Piston*Horizontal Distance/Hydraulic Clearance)))/(Horizontal Distance*Horizontal Distance-Hydraulic Clearance*Horizontal Distance) to evaluate the Pressure Gradient, The Pressure Gradient given Velocity of Flow in Oil Tank is defined as change in pressure with respect to distance in pipe. Pressure Gradient is denoted by dp|dr symbol.

How to evaluate Pressure Gradient given Velocity of Flow in Oil Tank using this online evaluator? To use this online evaluator for Pressure Gradient given Velocity of Flow in Oil Tank, enter Dynamic Viscosity (μ), Fluid Velocity in Oil Tank (uOiltank), Velocity of Piston (vpiston), Horizontal Distance (R) & Hydraulic Clearance (CH) and hit the calculate button.

FAQs on Pressure Gradient given Velocity of Flow in Oil Tank

What is the formula to find Pressure Gradient given Velocity of Flow in Oil Tank?
The formula of Pressure Gradient given Velocity of Flow in Oil Tank is expressed as Pressure Gradient = (Dynamic Viscosity*2*(Fluid Velocity in Oil Tank-(Velocity of Piston*Horizontal Distance/Hydraulic Clearance)))/(Horizontal Distance*Horizontal Distance-Hydraulic Clearance*Horizontal Distance). Here is an example- 1342.23 = (1.02*2*(12-(0.045*0.7/0.05)))/(0.7*0.7-0.05*0.7).
How to calculate Pressure Gradient given Velocity of Flow in Oil Tank?
With Dynamic Viscosity (μ), Fluid Velocity in Oil Tank (uOiltank), Velocity of Piston (vpiston), Horizontal Distance (R) & Hydraulic Clearance (CH) we can find Pressure Gradient given Velocity of Flow in Oil Tank using the formula - Pressure Gradient = (Dynamic Viscosity*2*(Fluid Velocity in Oil Tank-(Velocity of Piston*Horizontal Distance/Hydraulic Clearance)))/(Horizontal Distance*Horizontal Distance-Hydraulic Clearance*Horizontal Distance).
What are the other ways to Calculate Pressure Gradient?
Here are the different ways to Calculate Pressure Gradient-
  • Pressure Gradient=(12*Dynamic Viscosity/(Radial Clearance^3))*((Discharge in Laminar Flow/pi*Diameter of Piston)+Velocity of Piston*0.5*Radial Clearance)OpenImg
Can the Pressure Gradient given Velocity of Flow in Oil Tank be negative?
Yes, the Pressure Gradient given Velocity of Flow in Oil Tank, measured in Pressure Gradient can be negative.
Which unit is used to measure Pressure Gradient given Velocity of Flow in Oil Tank?
Pressure Gradient given Velocity of Flow in Oil Tank is usually measured using the Newton per Cubic Meter[N/m³] for Pressure Gradient. Newton per Cubic Inch[N/m³], Kilonewton per Cubic Kilometer[N/m³], Newton per Cubic Kilometer[N/m³] are the few other units in which Pressure Gradient given Velocity of Flow in Oil Tank can be measured.
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