1. What is Gas Flow Rate?

Gas flow rate (Q) represents the volume of gas passing through a given cross-sectional area per unit time. It is a fundamental parameter in fluid dynamics and engineering applications involving gas transport systems.

2. How Does the Calculator Work?

The calculator uses the basic flow rate equation:

Where:

• \( Q \) — Gas flow rate (m³/s)
• \( A \) — Cross-sectional area (m²)
• \( v \) — Velocity of gas (m/s)

Explanation: The flow rate is directly proportional to both the cross-sectional area and the velocity of the gas flow through that area.

3. Importance of Gas Flow Calculation

Details: Accurate gas flow rate calculation is essential for designing ventilation systems, pipeline networks, chemical processing plants, and various industrial applications where gas transport is involved.

4. Using the Calculator

Tips: Enter cross-sectional area in square meters (m²) and gas velocity in meters per second (m/s). Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What units should I use for the inputs?
A: Use square meters (m²) for area and meters per second (m/s) for velocity to get flow rate in cubic meters per second (m³/s).

Q2: Can this formula be used for liquids as well?
A: Yes, the basic flow rate formula Q = A × v applies to both gases and liquids in ideal conditions.

Q3: What factors affect gas flow rate accuracy?
A: Temperature, pressure, viscosity, and pipe roughness can affect actual flow rates in real-world applications.

Q4: How do I measure cross-sectional area?
A: For circular pipes, use A = π × r² where r is the radius. For rectangular ducts, use A = width × height.

Q5: When is this simple formula not sufficient?
A: For compressible gases at high velocities, turbulent flows, or when significant pressure drops occur, more complex equations may be needed.