This article originally appeared in the Spiral Duct Manufacturers Association insert in the January 2017 issue of SNIPS magazine. There are several factors that a designer should consider when ...

We have written before that round spiral duct should be your first choice for a rooftop HVAC duct system. The round shape reduces snow accumulation and accelerates rain runoff compared to rectangular ...

Numerical methodology Computational domain The SAH of the present study is a rectangular duct that consists of a heated absorber plate on the upper side, and the remaining three surfaces are adiabatic ...