Wind Pressure & Force Calculator

When studying wind forces and their effects, the wind pressure force and wind power density are significant parameters. Our wind pressure force calculator can be paired with the wind power density calculator for a comprehensive analysis of wind forces.

How to Use the Wind Pressure & Force Calculator

The Wind Pressure & Force Calculator is a useful tool for calculating the pressure and force exerted by wind on a surface. This calculator finds application in various fields, including architecture, engineering, and construction, where understanding the impact of wind on structures is crucial. By utilizing this calculator, users can determine the wind pressure and force acting on a surface, aiding in the design and analysis of structures for optimal performance and safety.

Instructions for Utilizing the Calculator

To effectively use the Wind Pressure & Force Calculator, follow these steps:

1. Surface Area: Enter the surface area in square meters (sq m). This value represents the area of the surface on which the wind is exerted.
2. Wind Speed: Input the wind speed in meters per second (m/s). The wind speed indicates the velocity at which the wind is blowing and directly influences the pressure and force exerted on the surface.
3. Air Density: Specify the air density in kilograms per cubic meter (kg/cu m). Air density represents the mass of air per unit volume and is dependent on factors such as temperature and altitude.
4. Wind Direction: Select the wind direction from the options provided. Choose the most appropriate direction based on the orientation of the surface relative to the wind flow. Options include North, South, East, and West.
5. Surface Angle: Choose the surface angle from the options provided. The surface angle represents the angle between the surface and the direction of the wind. Options include 0 degrees, 30 degrees, 45 degrees, 60 degrees, and 90 degrees.
6. Surface Roughness: Select the surface roughness from the options provided. The surface roughness influences the flow of wind around the surface. Choose the option that best matches the surface type, such as Smooth (e.g., glass), Medium (e.g., concrete), or Rough (e.g., brick).

Once you have entered the required input data, click the Calculate Wind Pressure & Force button.

Calculator Output

The Wind Pressure & Force Calculator provides the following output fields:

1. Surface Area: Displays the input surface area value in square meters (sq m).
2. Wind Speed: Shows the input wind speed value in meters per second (m/s).
3. Air Density: Displays the input air density value in kilograms per cubic meter (kg/cu m).
4. Wind Direction: Indicates the selected wind direction.
5. Surface Angle: Shows the selected surface angle in degrees.
6. Surface Roughness: Indicates the selected surface roughness.
7. Wind Pressure: Displays the calculated wind pressure exerted on the surface. The wind pressure is measured in pascals (Pa) and represents the force per unit area.
8. Wind Force: Shows the calculated wind force acting on the surface. The wind force is measured in newtons (N) and represents the total force exerted by the wind on the surface.

Wind Pressure & Force Calculator Formula

The wind pressure and force can be calculated using the following formulas:

Wind Pressure = 0.5 * Air Density * Wind Speed^2 * Surface Roughness Factor

Wind Force = Wind Pressure * Surface Area

Where:

• Wind Pressure is the calculated pressure exerted by the wind on the surface in pascals (Pa).
• Air Density is the density of air in kilograms per cubic meter (kg/cu m).
• Wind Speed is the speed of the wind in meters per second (m/s).
• Surface Roughness Factor represents the roughness of the surface, which affects the wind pressure. The factor depends on the selected surface roughness option.

Illustrative Example

Let's consider an example to demonstrate how the Wind Pressure & Force Calculator works. Suppose we have the following inputs:

• Surface Area: 10 sq m
• Wind Speed: 15 m/s
• Air Density: 1.2 kg/cu m
• Wind Direction: North
• Surface Angle: 45 degrees
• Surface Roughness: Medium (e.g., concrete)

By plugging these values into the formulas, we can calculate the wind pressure and force as follows:

Wind Pressure = 0.5 * 1.2 * 15^2 * 1.5 = 202.5 Pa

Wind Force = 202.5 * 10 = 2025 N

Illustrative Table Example

The Wind Pressure & Force Calculator is a valuable tool for assessing the impact of wind on surfaces. By providing inputs such as surface area, wind speed, air density, wind direction, surface angle, and surface roughness, users can determine the wind pressure and force exerted on a surface. This information assists in the design, analysis, and evaluation of structures subjected to wind loads. Understanding the pressure and force allows engineers and architects to develop robust designs and ensure the structural integrity of buildings, bridges, and other constructions in windy environments.