Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 219
ion. Where fan blows directly into ash pit without ducts 1M s.p. will not be exceeded withordinary rates of combustion. EXAMPLE SHOWING APPLICATIONOF CURVES. Problem. Determine size of fan, revolu-tions per minute and brake horsepower re-quired to deliver 30,000 cubic feet perminute against a… … ^ lM v zi: =L z A o/ z? per Minute point to the intersection of that fan workingnearest 50% ratio opening at 2.5 S. P.,which in this case is fan No. 8 (follow dashlines on curves). From this point projecthorizontally to intersect 2.5 S. P. curve andfrom thence upward parallel to horsepowerlines to…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
