Shikha Maurya
Indian Institute of Technology (IIT), Bombay
Shikha Maurya has created this Calculator and 100+ more calculators!
Maiarutselvan V
PSG College of Technology (PSGCT), Coimbatore
Maiarutselvan V has verified this Calculator and 200+ more calculators!

11 Other formulas that you can solve using the same Inputs

Stanton Number (using basic fluid properties)
Stanton Number=External convection heat transfer coefficient/(Specific Heat Capacity*Fluid Velocity*Density) GO
Reynolds Number for Non-Circular Tubes
Reynolds Number=Density*Fluid Velocity*Characteristic Length/Dynamic viscosity GO
Thermal Diffusivity
Thermal Diffusivity=Thermal Conductivity/(Density*Specific Heat Capacity) GO
Reynolds Number for Circular Tubes
Reynolds Number=Density*Fluid Velocity*Diameter /Dynamic viscosity GO
Inertial Force Per Unit Area
Inertial Force per unit area=(Fluid Velocity^2)*Density GO
Pressure when density and height are given
Pressure=Density*Acceleration Due To Gravity*Height GO
Turbulence
Turbulence=Density*Dynamic viscosity*Fluid Velocity GO
Molar Volume
Molar Volume=(Atomic Weight*Molar Mass)/Density GO
Momentum Diffusivity
Momentum diffusivity=Dynamic viscosity/Density GO
Number of atomic sites
Number of atomic sites=Density/Atomic Mass GO
Relative Density
Relative Density=Density/Water Density GO

3 Other formulas that calculate the same Output

Test section velocity for low sped wind tunnel in terms of height difference of manometric fluid
Velocity at point 2=sqrt((2*(Weight per unit volume of manometer fluid*Difference in height of manometric fluid))/(Density*(1-(1/(Contraction ratio)^2)))) GO
Velocity at Radial distance r2 when Torque Exerted on the Fluid is Given
Velocity at point 2=(length 1*Velocity at point 1+(Torque/Rate of flow))/length 2 GO
Theoretical Velocity at Section 2
Velocity at point 2=sqrt(2*[g]*Venturi head+Velocity at point 1^2) GO

Test section velocity in low-speed wind tunnel Formula

Velocity at point 2=sqrt((2*(Pressure at point 1-Pressure at point 2))/(Density*(1-(1/(Contraction ratio)^2))))
V<sub>2</sub>=sqrt((2*(P <sub>1</sub>-P<sub>2</sub>))/(ρ*(1-(1/(A<sub>1</sub>/A <sub>2</sub>)^2))))
More formulas
Pressure at a downstream point on streamline by Bernoulli's equation GO
Pressure at an upstream point on streamline by Bernoulli's equation GO
Airspeed measurement by venturi GO
Pressure difference measured by manometer in the low-speed wind tunnel GO
Pressure difference in the low-speed wind tunnel for given test section velocity GO
Test section velocity for low sped wind tunnel in terms of height difference of manometric fluid GO
Height difference of manometric fluid for given pressure difference GO
Dynamic pressure in incompressible flow GO
Total pressure in incompressible flow GO
Static pressure in incompressible flow GO
Airspeed measurement by Pitot tube for low-speed incompressible flow GO
Pressure coefficient in terms of velocity ratio for inncompressible flow GO
Pressure Coefficient GO
Surface pressure on the body in terms of Pressure coefficient GO
Velocity potential for uniform incompressible flow GO
Velocity at a point on airfoil for given pressure coefficient and free-stream velocity GO
Stream function for uniform incompressible flow GO
Velocity potential for uniform incompressible flow in polar coordinates GO
Stream function for uniform incompressible flow in polar coordinates GO
Source Strength for 2-D incompressible source flow GO
Radial velocity for 2-D incompressible source flow GO
Velocity potential for 2-D source flow GO
Stream function for 2-D incompressible source flow GO
Stream function for semi-infinite body GO
Stagnation streamline equation for flow over semi-infinite body GO
Stream function for flow over Rankine oval GO
Stream function for 2-D Doublet flow GO
Velocity potential for 2-D doublet flow GO
Stream function for non-lifting flow over a circular cylinder GO
Tangential velocity for non-lifting flow over circular cylinder GO
Radial velocity for non-lifting flow over circular cylinder GO
Radius of cylinder for non-lifting flow GO
Surface pressure coefficient for non-lifting flow over circular cylinder GO
Stream function for 2-D Vortex flow GO
Velocity potential for 2-D Vortex flow GO
Tangential velocity for 2-D Vortex flow GO
Stream function for lifting flow over a circular cylinder GO
Radial velocity for lifting flow over circular cylinder GO
Tangential velocity for lifting flow over circular cylinder GO
Surface pressure coefficient for lifting flow over circular cylinder GO
Location of stagnation point outside the cylinder for lifting flow GO
2-D Lift coefficient for cylinder GO
Lift per unit span by Kutta-Joukowski theorem GO
Circulation by Kutta-Joukowski theorem GO
Freestream velocity by Kutta-Joukowski theorem GO
Freestream density by Kutta-Joukowski theorem GO

What are wind tunnels?

In the most basic sense, they are ground-based experimental facilities designed to produce flows of air (sometimes other gases), which simulate the natural flows occurring outside the laboratory. For aerospace engineering applications, wind tunnels are designed to simulate flows encountered in the flight of airplanes, missiles, or space vehicles. They are classified on the basis of flight Mach number from low speed subsonic to hypersonic.

Which parameter governs the test section velocity of low speed wind tunnel?

For a given wind tunnel design area ratio is a fixed quantity hence the test section velocity of the low-speed wind tunnel is governed by the pressure difference between inlet and test section.

How to Calculate Test section velocity in low-speed wind tunnel?

Test section velocity in low-speed wind tunnel calculator uses Velocity at point 2=sqrt((2*(Pressure at point 1-Pressure at point 2))/(Density*(1-(1/(Contraction ratio)^2)))) to calculate the Velocity at point 2, Test section velocity in low-speed wind tunnel formula is obtained from Bernoulli's principle and it is a function of the pressure difference between reservoir and test section. Velocity at point 2 and is denoted by V2 symbol.

How to calculate Test section velocity in low-speed wind tunnel using this online calculator? To use this online calculator for Test section velocity in low-speed wind tunnel, enter Pressure at point 1 (P 1), Pressure at point 2 (P2), Density (ρ) and Contraction ratio (A1/A 2) and hit the calculate button. Here is how the Test section velocity in low-speed wind tunnel calculation can be explained with given input values -> 2.340669 = sqrt((2*(101314.1-99265.74))/(997*(1-(1/(2)^2)))).

FAQ

What is Test section velocity in low-speed wind tunnel?
Test section velocity in low-speed wind tunnel formula is obtained from Bernoulli's principle and it is a function of the pressure difference between reservoir and test section and is represented as V2=sqrt((2*(P 1-P2))/(ρ*(1-(1/(A1/A 2)^2)))) or Velocity at point 2=sqrt((2*(Pressure at point 1-Pressure at point 2))/(Density*(1-(1/(Contraction ratio)^2)))). Pressure at point 1 is the pressure on streamline at a given point in the flow, Pressure at point 2 is the pressure on streamline at a given point in the flow, The density of a material shows the denseness of that material in a specific given area. This is taken as mass per unit volume of a given object. and Contraction ratio is the ratio of inlet area or reservoir area to the test section area or throat area of a duct.
How to calculate Test section velocity in low-speed wind tunnel?
Test section velocity in low-speed wind tunnel formula is obtained from Bernoulli's principle and it is a function of the pressure difference between reservoir and test section is calculated using Velocity at point 2=sqrt((2*(Pressure at point 1-Pressure at point 2))/(Density*(1-(1/(Contraction ratio)^2)))). To calculate Test section velocity in low-speed wind tunnel, you need Pressure at point 1 (P 1), Pressure at point 2 (P2), Density (ρ) and Contraction ratio (A1/A 2). With our tool, you need to enter the respective value for Pressure at point 1, Pressure at point 2, Density and Contraction ratio and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Velocity at point 2?
In this formula, Velocity at point 2 uses Pressure at point 1, Pressure at point 2, Density and Contraction ratio. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Velocity at point 2=sqrt((2*(Weight per unit volume of manometer fluid*Difference in height of manometric fluid))/(Density*(1-(1/(Contraction ratio)^2))))
  • Velocity at point 2=sqrt(2*[g]*Venturi head+Velocity at point 1^2)
  • Velocity at point 2=(length 1*Velocity at point 1+(Torque/Rate of flow))/length 2
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