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 ...

Precisely formulated gas mixtures with known concentrations of particular target gases are referred to as calibration gas standards. To guarantee the accuracy of gas concentration measurements, almost ...

This is a preview. Log in through your library . Abstract We discuss the errors in common approximations of the volume flow rate for laminar flow through conduits with noncircular transverse sections.