A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 224
:zi~-L III IM IIIMl I II II I I n I I I llllliT|t|TiiT ^ nlli,11111 111 I , 111 I M - , ,111 II I I I IjTTllTI I I I I II I I I I I Fig. 4. When a current is compelled tochange its direction abruptly, the par-ticles tend to move as shown in Fig. 3.An area of high pressure will beformed at a, and… … than at e and d. Thus, the forcewhich is spent in maintaining theabnormal pressures at a and d,and in imparting the increase ofvelocity at c, is all wasted. 46. Effects Produced byCurves.—If the turn is lessabrupt, as in Fig. 4, the waste of energy is considerablyreduced. The tendency to form high…
Architecture · Building
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