Aerodynamic Diameter Calculator

This calculator computes the aerodynamic diameter of particles based on their physical properties, useful in fields like aerosol science, atmospheric studies, and material engineering.

Input Parameters

Calculation Results

Calculation Formula

Aerodynamic Diameter (da) = 1 / Recd × 2 × π × v / ρ

Where:
da = Aerodynamic Diameter (cm)
Recd = Reynolds number at particle centerline
v = Relative velocity between particle and gas (cm/s)
ρ = Density of gas (g/cm³)

Aerodynamic Diameter Calculator Calculator Usage Guide

Learn how to use the Aerodynamic Diameter Calculator and understand its working principles.

How to Use the Calculator

  1. Enter the Particle Volume in cubic centimeters (cm³).
  2. Enter the Cross-sectional Area in square centimeters (cm²).
  3. Click the Calculate button to compute the aerodynamic diameter.
  4. The result will be displayed in centimeters (cm).
  5. Click Reset to clear all inputs and start over.

Understanding Aerodynamic Diameter

Aerodynamic diameter is a measure of the size of particles that affects their behavior in gas flows. Unlike physical diameter, it accounts for how particles interact with airflow. This is particularly important in respiratory studies, atmospheric science, and particle technology.

Formula Explanation

The aerodynamic diameter is calculated using the formula:

da = 1 / (Volume / Cross-sectional Area)

This formula is a simplified representation. In more complex models, other factors like Reynolds number, relative velocity, and gas density are considered to provide a more accurate aerodynamic diameter.