For the new five-story, ground-up construction of the Children’s Hospital Colorado in Colorado Springs, Colorado, MTech Mechanical prefabricated the supply air riser duct on the ground and hoisted it ...
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 ...
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