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Reynolds Number for boundary layer flow is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities. Check FAQs
Re=(FD0.73bμV)2
Re - Reynolds Number for Boundary Layer Flow?FD - Drag Force on Boundary Layer Flow Plate?b - Breadth of Plate for Boundary Layer Flow?μ - Viscosity of Fluid for Boundary Layer Flow?V - Freestream Velocity for Boundary Layer Flow?

Reynold Number for Drag Force on Plate Example

With values
With units
Only example

Here is how the Reynold Number for Drag Force on Plate equation looks like with Values.

Here is how the Reynold Number for Drag Force on Plate equation looks like with Units.

Here is how the Reynold Number for Drag Force on Plate equation looks like.

137072.6571Edit=(0.03Edit0.730.74Edit0.001Edit0.15Edit)2
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Reynold Number for Drag Force on Plate Solution

Follow our step by step solution on how to calculate Reynold Number for Drag Force on Plate?

FIRST Step Consider the formula
Re=(FD0.73bμV)2
Next Step Substitute values of Variables
Re=(0.03N0.730.74m0.001N*s/m²0.15m/s)2
Next Step Convert Units
Re=(0.03N0.730.74m0.001Pa*s0.15m/s)2
Next Step Prepare to Evaluate
Re=(0.030.730.740.0010.15)2
Next Step Evaluate
Re=137072.657143864
LAST Step Rounding Answer
Re=137072.6571

Reynold Number for Drag Force on Plate Formula Elements

Variables
Reynolds Number for Boundary Layer Flow
Reynolds Number for boundary layer flow is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities.
Symbol: Re
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Drag Force on Boundary Layer Flow Plate
Drag Force on Boundary Layer Flow Plate is the resisting force experienced by an object moving through a fluid.
Symbol: FD
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Breadth of Plate for Boundary Layer Flow
Breadth of plate for boundary layer flow is the measurement or extent of plate from side to side.
Symbol: b
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Viscosity of Fluid for Boundary Layer Flow
Viscosity of Fluid for boundary layer flow is a measure of fluid's resistance to deformation at a given rate.
Symbol: μ
Measurement: Dynamic ViscosityUnit: N*s/m²
Note: Value should be greater than 0.
Freestream Velocity for Boundary Layer Flow
Freestream velocity for boundary layer flow is the velocity of fluid far upstream of a body, that is before the body has a chance to deflect, slow down the fluid.
Symbol: V
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.

Other Formulas to find Reynolds Number for Boundary Layer Flow

​Go Reynold Number at End of Plate
Re=ρfVLμ
​Go Reynold Number for Drag Coefficient in Blasius's Solution
Re=(1.328CD)2

Other formulas in Boundary Layer Flow category

​Go Length of Plate for Reynold Number
L=ReμρfV
​Go Velocity of Fluid for Reynold Number
V=ReμρfL
​Go Thickness of Boundary Layer
𝛿=5.48xRe
​Go Distance from Leading Edge
x=𝛿Re5.48

How to Evaluate Reynold Number for Drag Force on Plate?

Reynold Number for Drag Force on Plate evaluator uses Reynolds Number for Boundary Layer Flow = (Drag Force on Boundary Layer Flow Plate/(0.73*Breadth of Plate for Boundary Layer Flow*Viscosity of Fluid for Boundary Layer Flow*Freestream Velocity for Boundary Layer Flow))^2 to evaluate the Reynolds Number for Boundary Layer Flow, The Reynold number for drag force on plate formula is known while considering the square root of the drag force on the plate by the viscosity of the fluid, the velocity of the fluid, and the width of the plate. Reynolds Number for Boundary Layer Flow is denoted by Re symbol.

How to evaluate Reynold Number for Drag Force on Plate using this online evaluator? To use this online evaluator for Reynold Number for Drag Force on Plate, enter Drag Force on Boundary Layer Flow Plate (FD), Breadth of Plate for Boundary Layer Flow (b), Viscosity of Fluid for Boundary Layer Flow (μ) & Freestream Velocity for Boundary Layer Flow (V) and hit the calculate button.

FAQs on Reynold Number for Drag Force on Plate

What is the formula to find Reynold Number for Drag Force on Plate?
The formula of Reynold Number for Drag Force on Plate is expressed as Reynolds Number for Boundary Layer Flow = (Drag Force on Boundary Layer Flow Plate/(0.73*Breadth of Plate for Boundary Layer Flow*Viscosity of Fluid for Boundary Layer Flow*Freestream Velocity for Boundary Layer Flow))^2. Here is an example- 137072.7 = (0.03/(0.73*0.74*0.001*0.15))^2.
How to calculate Reynold Number for Drag Force on Plate?
With Drag Force on Boundary Layer Flow Plate (FD), Breadth of Plate for Boundary Layer Flow (b), Viscosity of Fluid for Boundary Layer Flow (μ) & Freestream Velocity for Boundary Layer Flow (V) we can find Reynold Number for Drag Force on Plate using the formula - Reynolds Number for Boundary Layer Flow = (Drag Force on Boundary Layer Flow Plate/(0.73*Breadth of Plate for Boundary Layer Flow*Viscosity of Fluid for Boundary Layer Flow*Freestream Velocity for Boundary Layer Flow))^2.
What are the other ways to Calculate Reynolds Number for Boundary Layer Flow?
Here are the different ways to Calculate Reynolds Number for Boundary Layer Flow-
  • Reynolds Number for Boundary Layer Flow=(Fluid Density for Boundary Layer Flow*Freestream Velocity for Boundary Layer Flow*Length of Plate for Boundary Layer Flow)/Viscosity of Fluid for Boundary Layer FlowOpenImg
  • Reynolds Number for Boundary Layer Flow=(1.328/Coefficient of Drag for Boundary Layer Flow)^2OpenImg
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