Compressed Air a Treatise On the Production Transmission And Use of Compressed
The book Compressed Air a Treatise On the Production Transmission And Use of Compressed was written by author Theodore Simons Here you can read free online of Compressed Air a Treatise On the Production Transmission And Use of Compressed book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Compressed Air a Treatise On the Production Transmission And Use of Compressed a good or bad book?
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Of atmospheric air at 60 Fahr. Is 0. 0764 Ib. The weight W i of 1 cu. Ft. Of air having a density corresponding to a gage pressure p, we find from Article 22: ' 14. 7 whence Wi = 0. 0761 P j" 4 1 y' 7> Ib. Per cubic foot. Since the total weight of the air column must be p pounds, its volume must be: cubic feet - 14. 7 Combining equations (2) and (3), we have: 144pXl4. 7 * = or h = 27, 707^^- (4) Introducing this value in equation (1) we get: ^ 2X32. 2X27, 707- ^ FLOW OF COMPRESSED AIR TtiftOUGH...'AN ttRtFJtfe 101 or, theoretical velocity v = 1336^1 ^7^7^ feet per second (5) The actual velocity is, of course, less owing to friction and other causes. It is obtained by multiplying the theoretical velocity by an orifice coefficient " c. " For ordinary compressed air problems such as leaks in receivers and pipe lines, where the pressures range from five to ten atmospheres, ^his coefficient may be taken as c = 0. 50 This gives for actual velocity: v = 1336 X 0. 50 - p+14. 7 or =668J^ -feet per second.
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