Version 4 of the Bell & Gossett System Syzer® program for PC computers is available. It is an update of a tool for calculating flow rates and pressure drops in HVAC piping systems. The program ...

In this article, Environics describes how to calculate mass flow conversion factors in order to accurately calibrate gas standards.

The calculation combines feed-gas data and tail-gas composition to calculate flow rates for combustion air and tail-gas streams.