FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Airspeed Measurement by Venturi Formula

GoAirspeed Measurement by Pitot Tube Formula

Fx Copy

LaTeX Copy

Velocity at Point 1 is the velocity of fluid passing through point 1 in flow. Check FAQs

V 1 = \sqrt{\frac{2 \cdot (P 1 - P 2)}{ρ 0 \cdot ({A lift}^{2} - 1)}}

V₁ - Velocity at Point 1?P₁ - Pressure at Point 1?P₂ - Pressure at Point 2?ρ₀ - Density?A_lift - Contraction Ratio?

Airspeed Measurement by Venturi Example

With values

With units

Only example

Here is how the Airspeed Measurement by Venturi equation looks like with Values.

Here is how the Airspeed Measurement by Venturi equation looks like with Units.

Here is how the Airspeed Measurement by Venturi equation looks like.

0.3157 = \sqrt{\frac{2 \cdot (9800 - 9630.609)}{997 \cdot ({2.1}^{2} - 1)}}

0.3157m/s = \sqrt{\frac{2 \cdot (9800Pa - 9630.609Pa)}{997kg/m³ \cdot ({2.1}^{2} - 1)}}

0.3157 = \sqrt{\frac{2 \cdot (9800 - 9630.609)}{997 \cdot ({2.1}^{2} - 1)}}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Physics » Category

Aerospace » Category

Aerodynamics » fx Airspeed Measurement by Venturi

Airspeed Measurement by Venturi Solution

Follow our step by step solution on how to calculate Airspeed Measurement by Venturi?

FIRST Step Consider the formula

V 1 = \sqrt{\frac{2 \cdot (P 1 - P 2)}{ρ 0 \cdot ({A lift}^{2} - 1)}}

Next Step Substitute values of Variables

∴

V 1 = \sqrt{\frac{2 \cdot (9800Pa - 9630.609Pa)}{997kg/m³ \cdot ({2.1}^{2} - 1)}}

Next Step Prepare to Evaluate

∴

V 1 = \sqrt{\frac{2 \cdot (9800 - 9630.609)}{997 \cdot ({2.1}^{2} - 1)}}

Next Step Evaluate

∴

V 1 = 0.315671515398847m/s

LAST Step Rounding Answer

∴

V 1 = 0.3157m/s

Airspeed Measurement by Venturi Formula Elements

Variables

Functions

Velocity at Point 1

Velocity at Point 1 is the velocity of fluid passing through point 1 in flow.

Symbol: V₁

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Velocity at Point 1

Pressure at Point 1

Pressure at Point 1 is the pressure on streamline at a given point in the flow.

Symbol: P₁

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Pressure at Point 1

Pressure at Point 2

Pressure at Point 2 is the pressure on streamline at a given point in the flow.

Symbol: P₂

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Pressure at Point 2

Density

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.

Symbol: ρ₀

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Density

Contraction Ratio

Contraction ratio is the ratio of inlet area or reservoir area to the test section area or throat area of a duct.

Symbol: A_lift

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Contraction Ratio

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

Other Formulas to find Velocity at Point 1

Go Airspeed Measurement by Pitot Tube

V 1 = \sqrt{\frac{2 \cdot (P 0 - P 1 static)}{ρ 0}}

Other formulas in Aerodynamic Measurements and Wind Tunnel Testing category

Go Wind Tunnel Test Section Velocity

V 2 = \sqrt{\frac{2 \cdot (P 1 - P 2)}{ρ 0 \cdot (1 - \frac{1}{{A lift}^{2}})}}

Go Wind Tunnel Pressure Difference by Manometer

δP = 𝑤 \cdot Δh

Go Wind Tunnel Pressure Difference with Test Speed

δP = 0.5 \cdot ρ air \cdot {V 2}^{2} \cdot (1 - \frac{1}{{A lift}^{2}})

Go Test Section Velocity by Manometric Height for Wind Tunnel

V T = \sqrt{\frac{2 \cdot 𝑤 \cdot Δh}{ρ 0 \cdot (1 - \frac{1}{{A lift}^{2}})}}

How to Evaluate Airspeed Measurement by Venturi?

Airspeed Measurement by Venturi evaluator uses Velocity at Point 1 = sqrt((2*(Pressure at Point 1-Pressure at Point 2))/(Density*(Contraction Ratio^2-1))) to evaluate the Velocity at Point 1, The Airspeed measurement by venturi formula is obtained as a function of pressure difference, divided by the product of the density of the fluid with the contraction ratio square, with a decrement of one in it. Velocity at Point 1 is denoted by V₁ symbol.

How to evaluate Airspeed Measurement by Venturi using this online evaluator? To use this online evaluator for Airspeed Measurement by Venturi, enter Pressure at Point 1 (P₁), Pressure at Point 2 (P₂), Density (ρ₀) & Contraction Ratio (A_lift) and hit the calculate button.

FAQs on Airspeed Measurement by Venturi

What is the formula to find Airspeed Measurement by Venturi?

The formula of Airspeed Measurement by Venturi is expressed as Velocity at Point 1 = sqrt((2*(Pressure at Point 1-Pressure at Point 2))/(Density*(Contraction Ratio^2-1))). Here is an example- 0.315672 = sqrt((2*(9800-9630.609))/(997*(2.1^2-1))).

How to calculate Airspeed Measurement by Venturi?

With Pressure at Point 1 (P₁), Pressure at Point 2 (P₂), Density (ρ₀) & Contraction Ratio (A_lift) we can find Airspeed Measurement by Venturi using the formula - Velocity at Point 1 = sqrt((2*(Pressure at Point 1-Pressure at Point 2))/(Density*(Contraction Ratio^2-1))). This formula also uses Square Root (sqrt) function(s).

What are the other ways to Calculate Velocity at Point 1?

Here are the different ways to Calculate Velocity at Point 1-

Velocity at Point 1=sqrt((2*(Total Pressure-Static Pressure at Point 1))/(Density))

Can the Airspeed Measurement by Venturi be negative?

Yes, the Airspeed Measurement by Venturi, measured in Speed can be negative.

Which unit is used to measure Airspeed Measurement by Venturi?

Airspeed Measurement by Venturi is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Airspeed Measurement by Venturi can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Airspeed Measurement by Venturi Formula

​GoAirspeed Measurement by Pitot Tube Formula

Airspeed Measurement by Venturi Example

Airspeed Measurement by Venturi Solution

Airspeed Measurement by Venturi Formula Elements

Other Formulas to find Velocity at Point 1

Other formulas in Aerodynamic Measurements and Wind Tunnel Testing category

How to Evaluate Airspeed Measurement by Venturi?

FAQs on Airspeed Measurement by Venturi

Variable Name

GoAirspeed Measurement by Pitot Tube Formula