File:Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine (1917) (14781707952).jpg

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Identifier: steamturbinespra00moye (find matches)
Title: Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine
Year: 1917 (1910s)
Authors: Moyer, James Ambrose, 1875-
Subjects: Steam-turbines
Publisher: New York, Wiley
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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method of cutting outsome of the steam passages to reduce the area at light loads isimpracticable. Types of governors to be used depend a great deal on thecapacity and the kind of service. The smaller sizes have usuallysimple forms, while the larger ones are necessarily more com-plicated. On the small turbines, where an elaborate valve gearis not desirable, the valves are moved by the direct action of thecentrifugal force of the governor weights. This is called directgoverning, to distinguish it from the relay system used bymost turbine manufacturers for large machines. By the directmethod a comparatively large centrifugal force is necessary tomove the valves; and unless they are carefully balanced it isdifficult to make the governor sensitive to fluctuations in theload. Besides, if for any reason a valve sticks, there may bewide variations in speed. By the indirect or what is commonly called the relaymethod the centrifugal force of the governor is needed only to 28b THE STEAM TURBINE
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a, c X

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Author Moyer, James Ambrose, 1875-
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  • bookid:steamturbinespra00moye
  • bookyear:1917
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Moyer__James_Ambrose__1875_
  • booksubject:Steam_turbines
  • bookpublisher:New_York__Wiley
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:299
  • bookcollection:library_of_congress
  • bookcollection:americana
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30 July 2014
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