A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 232
ncluded between the dottedlines a and b tends to blow downwards in the chimney; but itspressure is reduced as soon as it enters the chimney, becauseit is then compelled to fill a larger area. Thus, the downwardpressure which the wind will exert in the chimney may be foundby multiplying the wind… … Fig. 16. 36 HEATING AND VENTILATION §17 57. The beneficial effect of the ordinary horizontal winds upon the draft of a chimneymay be increased by means ofthe circular deflector C, shownin Fig. 17. That part of thewind which is intercepted bythe curved surface of C isdeflected strongly upwards…
Architecture · Building
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