A manual of the mechanics of engineering and of the construction of machines. Designed as a text-book for technical schools and colleges, and for the use of engineers, architects, etc. (1878)
Weisbach, Julius Ludwig, 1806-1871, Du Bois, A. Jay (Augustus Jay), 1849-1915, Buel, Richard H. (Richard Hooker), b. 1842 · New York. J. Wiley & Sons, 1878- · leaf 203
ws regulating thedischarge of water may be directly d!applied. If y is the density of theouter air, and Ji the height y^ Z? of achimney ABC, Fig. 647, togetherwith its flue, the excess of pressureat A above that at C is q ^ Ji y.This excess of pressure opposes thepressure q^ of the heated air… … 2 £■ r. = Hr- rO or v = \/lsi^^y^^ r,) ^^^^ ^^^ ^^ g^^^^^ If, now, t is the mean outer and t^ the mean inner tem-perature, or that of the smoke, we have from Vol. I., § 393, r = 0-005494/I+0-003671 and Xi = 0-005494/, hence y y^ I + 0-00367 /,I + 0-00367/ I +0-00367 /J t ■a • or, since the tensions…
Mechanics, Applied · Mechanical engineering
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