Minutes of Proceedings of the Institution of Civil Engineers Volume N . 119

Minutes of Proceedings of the Institution of Civil Engineers Volume N . 119

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1895 edition. Excerpt: ...observed during each one of twelve hours. It was found that the actual rate of delivery of the main more nearly coincided with the value indicated by accepted formulas, as the period of maximum flow was approached; at which time the variation of pressure indicated by the gauge was a minimum. Of these results, however, one only, that for the hour 10-11 A.m., during which the pressure was steady, is regarded as reliable. The following statement of this result shows, in addition to the observed loss of head, that deduced from Darcy's formula for clean pipes, which, transposed, gives a 1850 d5' and from Unwin-s formula for new pipes, which gives 1887 d6' where h, I, and d are the loss of head, length of the pipe, and diameter of the pipe respectively in feet, and Q is the rate of flow in cubic feet per second. '"Mouvement de l'Eau dans les Tuyaux," H. Darcy, Paris, 1857, p. 110, and "The Principles of Waterworks Engineering," Tudsbery Turner and Brightmore, 1893, p. 70. Art. "Hydromechanics," Encyclopaedia Britannica, 1881, vol. xii., p. 288. (Paper No. 2713.) "On the Rainfall discharged from Catchment-Areas." By William Kitson Stent, M. Inst. C.E. The information presented in this Paper was obtained mainly with reference to the fixing of water-ways on the VillupuraniGuntakal Railway--a branch of the South Indian Railway on which the Author was employed. In India, records of the rainfall have now been generally maintained for upwards of twenty years, and the approximate average annual rainfall of most districts is available for the determination of the discharge of rain from any catchment-area. The rainfall of India, however, presents as wide a range as that of any country in the world--from Cherra Punji in...show more

Product details

  • Paperback | 214 pages
  • 189 x 246 x 11mm | 390g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236645855
  • 9781236645852