New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 393
ormula (1) isa: = k(pi-j>m) (3)in which k = clearance represented as a fraction of thepiston displacement, pi = absolute initial pressure, pm =mean pressure by (1), using the actual ratio of expansionr, and x = correction in pounds to be subtracted from pm..Or, letting prn ;= corrected mean… … vhich gives the mean pressure during expansion.1 r—1Then pm = pi X }-pmx n which r* = <(pparCTi( ratio of expansion. For example, let pi = 100; fe = Ol; r* = .3. loss. By formula ri)— pm = 100 X — + ti«-5 X — = VS-fi.Very truly youi-s, The executive committee of the M. C. B. Associa- on has made…
Railroads · Railroad cars
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
