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 276
ot,and at the upper critical velocity P2 = 0.31 X 1.13- = 0.391 lb. per sq. ft. per running foot.From the values of Pi use equation {A) up to 0.0026 lb. per sq. ft., and from P2 use equation {B)up to 0.391 lb. per sq. ft. and for a greater friction head loss than 0.391 lb. use equation (C).… … 11/ /u FiG. 19. Friction Pressure Lo55 Cnor^ for Gravity Hot Woter Heoting Systems. 30000 20000 A;^-
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
