Wind Pressure & Force Calculator

Density of Air (kg/m³):

Wind Speed (m/s):

Cross-Sectional Area (m²):

Calculate

Wind Force (N):

Wind Pressure (Pa):

 

Introduction

The Wind Pressure Calculator is a handy tool for determining the wind pressure exerted on an object or surface due to the wind’s speed and the object’s cross-sectional area. Wind pressure is a crucial factor in various fields, including civil engineering, architecture, and meteorology. This calculator simplifies the process of calculating wind pressure, making it accessible to anyone.

How to Use

To use the Wind Pressure Calculator, follow these simple steps:

1. Enter the Density of Air (in kg/m³) – This is typically around 1.225 kg/m³ at standard conditions.
2. Input the Wind Speed (in m/s) – The speed of the wind blowing against the surface.
3. Provide the Cross-Sectional Area (in square meters) – The area of the object or surface exposed to the wind.
4. Click the Calculate button to find the wind pressure in Newtons (N) and Pascals (Pa).

Formula

The wind pressure (F) can be calculated using the following formula:

F=21​×ρ×V2×A

Where:

• $F$ is the wind force in Newtons (N).
• $\rho$ is the density of air in kg/m³.
• $V$ is the wind speed in m/s.
• $A$ is the cross-sectional area in square meters.

Example

Let’s say you have a surface with a cross-sectional area of 10 square meters, exposed to a wind speed of 20 m/s. The density of air is approximately 1.225 kg/m³. Using the formula:

F=21​×1.225×(20)2×10=2450N

FAQs

Q1: What is the typical density of air used in calculations?

A1: The standard density of air is approximately 1.225 kg/m³ at standard conditions, but it can vary with temperature and altitude.

Q2: Why is wind pressure important in civil engineering?

A2: Wind pressure is crucial in designing structures to ensure they can withstand wind loads, preventing structural failure.

Conclusion

The Wind Pressure Calculator simplifies the process of determining the wind pressure on a surface or object. By entering the density of air, wind speed, and cross-sectional area, you can quickly find the wind force in Newtons and the wind pressure in Pascals. This tool is valuable for engineers, architects, and anyone working with structures exposed to wind.