Reflections on the Motive Power of Heat; From the Original French of N.-L.-S. Carnot

Reflections on the Motive Power of Heat; From the Original French of N.-L.-S. Carnot

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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. 1897 edition. Excerpt: ...must be replaced by "the condition fulfilled by operation (3)," in the description of the results of operation (4). 16. At the conclusion of this cycle of operations the total thermal agency has been the letting down of H units of heat from the body A, at the temperature S, to B, at the lower temperature T; and the aggregate of the mechanical efiect has been a certain amount of work produced, since during the ascent of the piston in the first and second operations, the temperature of the water and vapor, and therefore the pressure of the vapor on the piston, was on the whole higher than during the descent, in the third and fourth operations. It remains for us actually to evaluate this aggregate amount of work performed; and for this purpose the follow In Carnot's work some perplexity is introduced with reference to the temperature of the water, which, in the operations he describes, is not brought back exactly to what it was at the commencement; but the difficulty which arises is explained by the author. No such difficulty occurs with reference to the cycle of operation described in the text, for which I am indebted to Mons. Olapeyron. ing graphical method of representing the mechanical efiect developed in the several operations, taken from Mons. Clapeyron's paper, is extrsmely convenient. 17. Let OX and OY be two lines at right angles to one another. Along OX measure off distances OM, MM, N, N, N,0, respectively proportional to the spaces described by the piston during the four successive operations described above; and, with reference to these four operations respectively, let the following constructions be made: (1) Along OY measure a length 0A, to repre sent the pressure of the saturated vapor at more

Product details

  • Paperback | 64 pages
  • 189 x 246 x 3mm | 132g
  • United States
  • English
  • black & white illustrations
  • 1236853237
  • 9781236853233