Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 949
A. The quantity of water flowing in a stream may be roughly estimated asfollows : Find the mean depth of the stream by taking measurements at 10 or 12or more equal distances across. Multiply this mean depth by the width ofthe stream, which will give the total cross-section of the prism. Find the… … Fig. 13. The area or cross-section of the prism multiplied by the velocity per min-ute will give the quantity per minute in cubic feet. Owing to friction of the bed and banks the actual flow is reduced to about83 per cent of the calculated flow as above.
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
