Duct Sizer

This application is designed for engineers, HVAC designers, students, and technicians who need to quickly and accurately calculate pressure loss in ducts and pipes using the Darcy-Weisbach equation. Whether you're working on ventilation systems, air conditioning, or fluid flow projects, this app provides a powerful tool right at your fingertips.

🌟 Key Features:

💨 Calculate pressure loss in ducts using the Darcy-Weisbach equation

📏 Support for both circular and rectangular duct shapes

📐 Input parameters include: duct diameter/width & height, duct length, flow velocity, and fluid properties (density, viscosity)

📊 Automatic calculation of Reynolds number and friction factor

🧮 Support for both SI (metric) and Imperial units

🧠 What is the Darcy-Weisbach Equation?

The Darcy-Weisbach equation is a fundamental formula used to calculate pressure loss due to friction in a pipe or duct. It is widely used in fluid mechanics and HVAC applications for accurate analysis and design.

Equation: ΔP = f * (L/D) * (ρ * V² / 2)

Where:

ΔP = pressure loss

f = friction factor (from Moody chart or Colebrook equation)

L = length of duct/pipe

D = hydraulic diameter

ρ = fluid density

V = flow velocity

👷 Suitable For:

HVAC engineers & designers

Mechanical and civil engineers

University students in fluid mechanics

Maintenance & facility technicians

📌 Notes:

This application is for educational and professional use. Always verify results with engineering standards or manuals where necessary.

Download now and simplify your duct and pipe pressure loss calculations with accuracy and ease!

Tags: HVAC, duct sizing, pressure drop calculator, MEP tools, engineering apps