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The Dynamic Viscosity refers to the internal resistance of a fluid to flow when a force is applied. Check FAQs
μ=𝜏1.5DvpistonCHCH
μ - Dynamic Viscosity?𝜏 - Shear Stress?D - Diameter of Piston?vpiston - Velocity of Piston?CH - Hydraulic Clearance?

Dynamic Viscosity given Shear Stress in Piston Example

With values
With units
Only example

Here is how the Dynamic Viscosity given Shear Stress in Piston equation looks like with Values.

Here is how the Dynamic Viscosity given Shear Stress in Piston equation looks like with Units.

Here is how the Dynamic Viscosity given Shear Stress in Piston equation looks like.

9.8519Edit=93.1Edit1.53.5Edit0.045Edit50Edit50Edit
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Dynamic Viscosity given Shear Stress in Piston Solution

Follow our step by step solution on how to calculate Dynamic Viscosity given Shear Stress in Piston?

FIRST Step Consider the formula
μ=𝜏1.5DvpistonCHCH
Next Step Substitute values of Variables
μ=93.1Pa1.53.5m0.045m/s50mm50mm
Next Step Convert Units
μ=93.1Pa1.53.5m0.045m/s0.05m0.05m
Next Step Prepare to Evaluate
μ=93.11.53.50.0450.050.05
Next Step Evaluate
μ=0.985185185185185Pa*s
Next Step Convert to Output's Unit
μ=9.85185185185185P
LAST Step Rounding Answer
μ=9.8519P

Dynamic Viscosity given Shear Stress in Piston Formula Elements

Variables
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.
Shear Stress
Shear Stress is force tending to cause deformation of a material by slippage along a plane or planes parallel to the imposed stress.
Symbol: 𝜏
Measurement: StressUnit: Pa
Note: Value should be greater than 0.
Diameter of Piston
Diameter of Piston is the actual diameter of the piston while the bore is the size of the cylinder and will always be larger than the piston.
Symbol: D
Measurement: LengthUnit: m
Note: Value should be greater than 0.
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.
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 Dynamic Viscosity

​Go Dynamic Viscosity given Velocity of Fluid
μ=dp|dr0.5(R2-CHRuFluid)
​Go Dynamic Viscosity for Pressure Drop over Length
μ=ΔPf(6vpistonLPCR3)(0.5D)
​Go Dynamic Viscosity given velocity of piston
μ=FTotalπvpistonLP(0.75((DCR)3)+1.5((DCR)2))

Other formulas in When Piston Velocity is Negligible to Average Velocity of Oil in Clearance Space category

​Go Velocity of Fluid
uOiltank=dp|dr0.5RR-CHRμ
​Go Pressure Gradient given Velocity of Fluid
dp|dr=uOiltank0.5RR-CHRμ
​Go Pressure Drop over Lengths of Piston
ΔPf=(6μvpistonLPCR3)(0.5D)
​Go Velocity of Piston for Pressure reduction over Length of Piston
vpiston=ΔPf(3μLPCR3)(D)

How to Evaluate Dynamic Viscosity given Shear Stress in Piston?

Dynamic Viscosity given Shear Stress in Piston evaluator uses Dynamic Viscosity = Shear Stress/(1.5*Diameter of Piston*Velocity of Piston/(Hydraulic Clearance*Hydraulic Clearance)) to evaluate the Dynamic Viscosity, The Dynamic Viscosity given Shear Stress in Piston is defined as the resistance developed due to relative motion of object in flow. Dynamic Viscosity is denoted by μ symbol.

How to evaluate Dynamic Viscosity given Shear Stress in Piston using this online evaluator? To use this online evaluator for Dynamic Viscosity given Shear Stress in Piston, enter Shear Stress (𝜏), Diameter of Piston (D), Velocity of Piston (vpiston) & Hydraulic Clearance (CH) and hit the calculate button.

FAQs on Dynamic Viscosity given Shear Stress in Piston

What is the formula to find Dynamic Viscosity given Shear Stress in Piston?
The formula of Dynamic Viscosity given Shear Stress in Piston is expressed as Dynamic Viscosity = Shear Stress/(1.5*Diameter of Piston*Velocity of Piston/(Hydraulic Clearance*Hydraulic Clearance)). Here is an example- 98.51852 = 93.1/(1.5*3.5*0.045/(0.05*0.05)).
How to calculate Dynamic Viscosity given Shear Stress in Piston?
With Shear Stress (𝜏), Diameter of Piston (D), Velocity of Piston (vpiston) & Hydraulic Clearance (CH) we can find Dynamic Viscosity given Shear Stress in Piston using the formula - Dynamic Viscosity = Shear Stress/(1.5*Diameter of Piston*Velocity of Piston/(Hydraulic Clearance*Hydraulic Clearance)).
What are the other ways to Calculate Dynamic Viscosity?
Here are the different ways to Calculate Dynamic Viscosity-
  • Dynamic Viscosity=Pressure Gradient*0.5*((Horizontal Distance^2-Hydraulic Clearance*Horizontal Distance)/Fluid Velocity)OpenImg
  • Dynamic Viscosity=Pressure Drop due to Friction/((6*Velocity of Piston*Piston Length/(Radial Clearance^3))*(0.5*Diameter of Piston))OpenImg
  • Dynamic Viscosity=Total Force in Piston/(pi*Velocity of Piston*Piston Length*(0.75*((Diameter of Piston/Radial Clearance)^3)+1.5*((Diameter of Piston/Radial Clearance)^2)))OpenImg
Can the Dynamic Viscosity given Shear Stress in Piston be negative?
No, the Dynamic Viscosity given Shear Stress in Piston, measured in Dynamic Viscosity cannot be negative.
Which unit is used to measure Dynamic Viscosity given Shear Stress in Piston?
Dynamic Viscosity given Shear Stress in Piston is usually measured using the Poise[P] for Dynamic Viscosity. Pascal Second[P], Newton Second per Square Meter[P], Millinewton Second per Square Meter[P] are the few other units in which Dynamic Viscosity given Shear Stress in Piston can be measured.
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