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Velocity Pressure as given by ASCE 7 Formula

GoVelocity Pressure using Wind Pressure Formula

GoVelocity Pressure Formula

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Velocity Pressure is the pressure required to accelerate air from zero velocity to some velocity and is proportional to the kinetic energy of the air stream. Check FAQs

q = \frac{p + q i \cdot GC pt}{G \cdot C ep}

q - Velocity Pressure?p - Wind Pressure?q_i - Velocity Pressure at Point?GC_pt - Internal Pressure Coefficient?G - Gust Response Factor?C_ep - External Pressure Coefficient?

Velocity Pressure as given by ASCE 7 Example

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Here is how the Velocity Pressure as given by ASCE 7 equation looks like with Values.

Here is how the Velocity Pressure as given by ASCE 7 equation looks like with Units.

Here is how the Velocity Pressure as given by ASCE 7 equation looks like.

25.0263 = \frac{14.88 + 15 \cdot 0.91}{1.2 \cdot 0.95}

25.0263pdl/ft² = \frac{14.88pdl/ft² + 15pdl/ft² \cdot 0.91}{1.2 \cdot 0.95}

25.0263 = \frac{14.88 + 15 \cdot 0.91}{1.2 \cdot 0.95}

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Velocity Pressure as given by ASCE 7 Solution

Follow our step by step solution on how to calculate Velocity Pressure as given by ASCE 7?

FIRST Step Consider the formula

q = \frac{p + q i \cdot GC pt}{G \cdot C ep}

Next Step Substitute values of Variables

∴

q = \frac{14.88pdl/ft² + 15pdl/ft² \cdot 0.91}{1.2 \cdot 0.95}

Next Step Convert Units

∴

q = \frac{22.1439Pa + 22.3225Pa \cdot 0.91}{1.2 \cdot 0.95}

Next Step Prepare to Evaluate

∴

q = \frac{22.1439 + 22.3225 \cdot 0.91}{1.2 \cdot 0.95}

Next Step Evaluate

∴

q = 37.2432607979817Pa

Next Step Convert to Output's Unit

∴

q = 25.0263157894736pdl/ft²

LAST Step Rounding Answer

∴

q = 25.0263pdl/ft²

Velocity Pressure as given by ASCE 7 Formula Elements

Variables

Velocity Pressure

Velocity Pressure is the pressure required to accelerate air from zero velocity to some velocity and is proportional to the kinetic energy of the air stream.

Symbol: q

Measurement: PressureUnit: pdl/ft²

Note: Value should be greater than 0.

Formulas to find Velocity Pressure

Wind Pressure

Wind Pressure is the pressure due to the wind.

Symbol: p

Measurement: PressureUnit: pdl/ft²

Note: Value should be greater than 0.

Formulas to find Wind Pressure

Velocity Pressure at Point

Velocity Pressure at Point is the pressure due to the velocity of wind at some point.

Symbol: q_i

Measurement: PressureUnit: pdl/ft²

Note: Value should be greater than 0.

Formulas to find Velocity Pressure at Point

Internal Pressure Coefficient

Internal Pressure Coefficient refers to the pressure inside a building, perhaps due to flow past or through openings in the structure.

Symbol: GC_pt

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Internal Pressure Coefficient

Gust Response Factor

The Gust Response Factor is to account for fluctuations in wind speed.

Symbol: G

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Gust Response Factor

External Pressure Coefficient

The External Pressure Coefficient is the coefficient for the external pressure.

Symbol: C_ep

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find External Pressure Coefficient

Other Formulas to find Velocity Pressure

Go Velocity Pressure using Wind Pressure

q = \frac{p}{G \cdot C p}

Go Velocity Pressure

q = 0.00256 \cdot K z \cdot K zt \cdot K d \cdot ({V B}^{2}) \cdot I

Other formulas in Wind Loads category

Go Equivalent Static Design Wind Pressure

p = q \cdot G \cdot C p

Go Gust Response Factor using Wind Pressure

G = \frac{p}{q \cdot C p}

Go Pressure Coefficient using Wind Pressure

C p = \frac{p}{q \cdot G}

Go Basic Wind given Velocity Pressure

V B = \sqrt{\frac{q}{0.00256 \cdot K z \cdot K zt \cdot K d \cdot I}}

How to Evaluate Velocity Pressure as given by ASCE 7?

Velocity Pressure as given by ASCE 7 evaluator uses Velocity Pressure = (Wind Pressure+Velocity Pressure at Point*Internal Pressure Coefficient)/(Gust Response Factor*External Pressure Coefficient) to evaluate the Velocity Pressure, The Velocity Pressure as given by ASCE 7 is defined as the velocity pressure as per ASCE 7 Method II norms considering wind pressure, external and internal pressure coefficients. Velocity Pressure is denoted by q symbol.

How to evaluate Velocity Pressure as given by ASCE 7 using this online evaluator? To use this online evaluator for Velocity Pressure as given by ASCE 7, enter Wind Pressure (p), Velocity Pressure at Point (q_i), Internal Pressure Coefficient (GC_pt), Gust Response Factor (G) & External Pressure Coefficient (C_ep) and hit the calculate button.

FAQs on Velocity Pressure as given by ASCE 7

What is the formula to find Velocity Pressure as given by ASCE 7?

The formula of Velocity Pressure as given by ASCE 7 is expressed as Velocity Pressure = (Wind Pressure+Velocity Pressure at Point*Internal Pressure Coefficient)/(Gust Response Factor*External Pressure Coefficient). Here is an example- 16.72849 = (22.1438794801375+22.3224591533644*0.91)/(1.2*0.95).

How to calculate Velocity Pressure as given by ASCE 7?

With Wind Pressure (p), Velocity Pressure at Point (q_i), Internal Pressure Coefficient (GC_pt), Gust Response Factor (G) & External Pressure Coefficient (C_ep) we can find Velocity Pressure as given by ASCE 7 using the formula - Velocity Pressure = (Wind Pressure+Velocity Pressure at Point*Internal Pressure Coefficient)/(Gust Response Factor*External Pressure Coefficient).

What are the other ways to Calculate Velocity Pressure?

Here are the different ways to Calculate Velocity Pressure-

Velocity Pressure=Wind Pressure/(Gust Response Factor*Pressure Coefficient)
Velocity Pressure=0.00256*Velocity Exposure Coefficient*Topographic Factor*Wind Directionality Factor*(Basic Wind Speed^2)*Importance Factor for End Use

Can the Velocity Pressure as given by ASCE 7 be negative?

No, the Velocity Pressure as given by ASCE 7, measured in Pressure cannot be negative.

Which unit is used to measure Velocity Pressure as given by ASCE 7?

Velocity Pressure as given by ASCE 7 is usually measured using the Poundal per Square Foot[pdl/ft²] for Pressure. Pascal[pdl/ft²], Kilopascal[pdl/ft²], Bar[pdl/ft²] are the few other units in which Velocity Pressure as given by ASCE 7 can be measured.

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Velocity Pressure as given by ASCE 7 Formula

​GoVelocity Pressure using Wind Pressure Formula

​GoVelocity Pressure Formula

Velocity Pressure as given by ASCE 7 Example

Velocity Pressure as given by ASCE 7 Solution

Velocity Pressure as given by ASCE 7 Formula Elements

Other Formulas to find Velocity Pressure

Other formulas in Wind Loads category

How to Evaluate Velocity Pressure as given by ASCE 7?

FAQs on Velocity Pressure as given by ASCE 7

Variable Name

GoVelocity Pressure using Wind Pressure Formula

GoVelocity Pressure Formula