An official website of the United States government.
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Design Criteria
Casting Hood: Q = 500 scfm/sq ft of equipment + 100 scfm/sq openings
hc = .5 VPduct
Vtransport ≥ 400 fpm
Cooling Hood:
Q = 100 scfm/sq ft openings + 500 scfm per gal H20 used per minute
hc = 3.3 VP
