Nearly every household has a roll of duct tape handy. While adults reach for the flexible, sticky stuff for construction projects and home repairs, kids often grab the same roll to make picture frames ...

Careful planning in designing ductwork for emission control structures goes a long way toward reducing overall plant construction costs. Increasing restrictions on power plant emissions are causing ...

MANY YEARS AGO, I paid good money out of my own pocket to learn how to design a duct system. I won’t say to whom I paid this money, because I got ripped off. What I “learned” was how to find .1 on a ...

In 1948, research by R.G. Huebscher established flow resistance for different shapes of ductwork at equal velocities, which allowed the creation of the duct-sizing calculator or “Ductulator” for ...