Bulletin Volume 43-51

Bulletin Volume 43-51

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 edition. Excerpt: ...the motor to be tested was installed. (PI. I.) (2) A circulating fan for mixing the gas and air within the gallery, (3) A system of piping connecting the gallery and circulating fan. (4) A device for determining the percentage of gas in the mixture. (PI. II and fig. 1.) (5) A pressure indicator attached to the motor casing to record the pressure developed therein by the explosion. (6) Spark plugs mounted within the motor casing and operated by an induction coil. (7) A system of piping and valves connecting the motor casing with the fan intake for the purpose of filling the motor casing with the gaseous mixture. TESTING GALLERY. The gallery in which the motor was installed for the tests was a boiler-plate cylinder, 10 feet in diameter and 30 feet in length, set horizontally upon a concrete foundation. Seven feet from each end the cylinder was stopped off with diaphragms of heavy manila paper reinforced with cheese cloth and painted with one coat of white lead and oil to make them gas-tight. A manhole cut in the side of the gallery between the diaphragms made entrance possible without the disturbing of the paper stoppings. Observation windows of heavy plate glass were placed at intervals along the sides of the gallery. Plate I shows the general appearance of the gallery and testing house. Electrical connections were brought through bushings in the side of the gallery to a slate terminal board. a BuneU, O. A., The natural gas used at Pittsburgh: Bull. 15, Bureau of Mines, 1912, p. 06. b Idem, p. 7." Pipe connections for the circulating fan were made so that the mixtures entered and left at the same end of the gallery. The discharge point was about in the middle of one end and directed the gases horizontally along the gallery. The...show more

Product details

  • Paperback | 224 pages
  • 189 x 246 x 12mm | 408g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236934024
  • 9781236934024