Free Tools/Heat Transfer Calculators/Forced Convection HTC Calculator: Air Inside a Pipe or Duct

Forced Convection HTC Calculator: Air Inside a Pipe or Duct

Internal forced convection in a circular duct or pipe. Enter film temperature, flow velocity, and inner diameter.

Select unit system
Average of wall and fluid temperature
Results
Reference: ASHRAE Handbook of Fundamentals

Disclaimer: Results are for educational and reference purposes only. CANETCO makes no warranty as to the accuracy of these calculations for any specific application. Always verify results with a qualified licensed engineer before use in design, construction, or any professional application. CANETCO accepts no liability for decisions made based on outputs from this calculator.

Want to go deeper into heat transfer theory and applications?

CANETCO's Piping and Heat Exchangers course covers heat exchanger design, selection, and operation - including the convection fundamentals behind these calculations.