The Stevens Indicator Volume 10

The Stevens Indicator Volume 10

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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. 1893 edition. Excerpt: ...of the values of Kwhich appear in the following tables, we have taken 7: to.8 kilogrammes. The results of thirty-six experiments made upon the r00 m.m. pipe agree very closely among themselves, and give for K an average of.oQ115. The same is true of the thirty-six experiments made upon the 71 m.m. pipe. Their average is.001 18. Finally, the results of the experiments made with the 47 m.m. pipe, while all agreeing very closely among themselves, give a general average a little smaller...........................................00o94, The final general average is........................001o7. It is proper to observe that the causes of error conducing to falsify the results have a greater importance in the tests made upon the 47 m.m. pipe. In fact, the volumes of water evaporated in these tests are much smaller than in those of the two other series, and the relative importance of an error committed in the determination of entering weight mo is, in consequence, much greater. This weight was obtained by deducting from the weight of water evaporated during the period of the test the weight of water collected in the first separator. But this did not surely represent all of the entrained water. There was, moreover, a slight loss through the waste valve. The figure thus calculated for mo was therefore too great; and the influence of this error, in the computation of K, was as much too great as mo was too small. ' In view of the very remarkable agreement of the experiments upon the 100 and the 71 m.m. pipes, I think it proper to adopt for K the figure.0011. i It will be noticed that this value of K for steam is a little higher than that which was found for air. In the memoir already cited M. Gutermuth gives the results of experiments upon the loss more

Product details

  • Paperback | 98 pages
  • 189 x 246 x 5mm | 191g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236640624
  • 9781236640628