The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 1107
water discharged from the hot-wellover parallel narrow metal tanks contained in a large wooden structure,while a fan blower drives a current of air against the films of water fallingfrom the tanks, etc. These methods are suitable for small powers, butfor large powers they are cumbersome and require… … 40 30 24 20 17 Per Cent ot Power Gained by Vacuum Fig. 166. be approximated by considering it to be equivalent to a net gain of 12 lbs.mean effective pressure per sq. in. of piston area. If A = area of piston CONDENSERS, AIR-PUMPS, ETC. 1059 in sq. ins., S = piston speed in ft. per min., then 12 AS…
Mechanical engineering
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