File:The steam-engine and other heat-motors (1909) (14773188205).jpg

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English:

Identifier: steamengineother00crei (find matches)
Title: The steam-engine and other heat-motors
Year: 1909 (1900s)
Authors: Creighton, William Henry Paul, 1859-
Subjects: Steam-engines Heat-engines
Publisher: New York, J. Wiley & sons (etc., etc.)
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image:
Suctikm, Fig. 152. Centrifugal Circulating Pumps (Fig. 153).—The inner diameterof the driving-vanes should be 1.1 to I Ad, where d = the diameterof the single suction- or delivery-pipes, and the outside diameter is2 to 2.6d. The width of the vane at its inner diameter is .23to Ad. The width of the vane at its outside diameter may bereduced in proportion to the increase in velocity of the water,Notice proportions in the cut showing double suction-pipes. If the water enters from one side there is an axial thrust whichis avoided by having the water enter on both sides. The shape of the vanes is such that the water may enter with-out shock (see steam-turbine calculations). The velocity at theperiphery must be 25 to 40 feet per second for a friction-head of 5 SMALL AUXILIARIES. 291 to 8 feet, the revolutions varying in general from 150 to 350 per minute.
Text Appearing After Image:
The engines to drive these pumps must have a horse-power Qxh e(lUalto 3^000 X2J5where Q = pounds of water delivered,h = head in feet. 292 THE STEAM-ENGINE AND OTHER HEAT-MOTORS. These engines should develop this power with a pressure equal to.75 boiler-pressure* Steam-injector.—Fig. 154 is a diagrammatic sketch of an in-jector. We owe this invention to M. Giffard, a French engineer.The original invention has been much improved and many care-fully worked out devices have been added to make the device reli-able and automatic. Its use is practically confined to boiler-feeding, as its efficiency as a pump is very low. As a boiler-feederits thermal efficiency approaches 100%, as all the heat that ittakes from the boiler is returned, but at a lower temperature.

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https://www.flickr.com/photos/internetarchivebookimages/14773188205/

Author Creighton, William Henry Paul, 1859-
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Flickr tags
InfoField
  • bookid:steamengineother00crei
  • bookyear:1909
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Creighton__William_Henry_Paul__1859_
  • booksubject:Steam_engines
  • booksubject:Heat_engines
  • bookpublisher:New_York__J__Wiley___sons
  • bookpublisher:__etc___etc__
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:312
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
InfoField
29 July 2014



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current14:01, 2 July 2017Thumbnail for version as of 14:01, 2 July 20172,800 × 1,728 (478 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
03:02, 27 September 2015Thumbnail for version as of 03:02, 27 September 20151,728 × 2,804 (479 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': steamengineother00crei ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fsteamengineother00crei%2F fin...

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