Die Kritischen Drehzahlen Wichtiger Rotorformen - Bookswagon
Die Kritischen Drehzahlen Wichtiger Rotorformen

Die Kritischen Drehzahlen Wichtiger Rotorformen


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About the Book

Die fortschreitende Entwicklung des Dampf turbinen baues brachte es mit sich, daß einerseits stets verwickelter gestaltete Rotorformen hinsichtlich ihrer kriti- schen Drehzahlen zu untersuchen waren, andrerseits aber an die Schärfe des Ergebnisses bedeutend höhere Anforderungen gestellt werden mußten, ohne daß die dabei zu leistende Arbeit das Ausmaß der dem Konstrukteur zur Verfügung stehenden Zeit wesentlich überschreiten durfte. Insbesondere waren es die kegelstumpf-und stufenförmigen Rotoren, die in letzter Zeit sehr an Bedeutung gewannen und die in der vorliegenden Schrift wohl erstmalig einer einheitlichen Bearbeitung unterworfen worden sind. Der Leitgedanke dabei war der, Methoden von solcher Allgemeinheit zu entwickeln, daß womöglich alle hier in Betracht kommenden Rotorformen mit umfaßt werden konnten. Hierbei wurde neben möglichster Schärfe der Ergebnisse besonderer Wert vor allem darauf gelegt, die Formeln und Verfahren in solcher Weise aus- zugestalten, daß der praktisch tätige Konstrukteur ohne große Studien in die Lage versetzt wird, rasch und verläßlich die kritischen Drehzahlen einer Welle mit erst zu entwerfendem Rotor vorauszuberechnen. Dieses Ziel konnte nur er- reicht werden, indem einerseits die Formeln, sowie die analytischen und graphi- schen Verfahren an möglichst vielen, auch streng durchgerechneten Beispielen hinsichtlich der Verwendbarkeit und Schärfe der Ergebnisse erprobt, andrerseits aber derart durch Tabellen unterstützt wurden, daß eine rasche Auswertung der Formeln bzw. ein rascher Entwurf der Schaulinien und Diagramme gewähr- leistet ist. Das unbedingte, für den Ingenieur so wichtige Vordringen zum zahlen- mäßigen Endergebnis mag als bedeutsamstes Ziel der vorliegenden Arbeit ge- wertet werden.


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Product Details
  • ISBN-13: 9783709130476
  • Publisher: Springer Verlag GmbH
  • Binding: Paperback
  • Height: 254 mm
  • No of Pages: 154
  • Series Title: German
  • Weight: 349 gr
  • ISBN-10: 3709130476
  • Publisher Date: 01 Jan 1935
  • Edition: 1935 ed.
  • Language: German
  • Returnable: N
  • Spine Width: 9 mm
  • Width: 178 mm


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