Rotordynamics Jesse Russell

ISBN: 9785512172490

Published: June 22nd 2012

Paperback

160 pages


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Rotordynamics  by  Jesse Russell

Rotordynamics by Jesse Russell
June 22nd 2012 | Paperback | PDF, EPUB, FB2, DjVu, AUDIO, mp3, ZIP | 160 pages | ISBN: 9785512172490 | 9.64 Mb

High Quality Content by WIKIPEDIA articles! Rotordynamics is a specialized branch of applied mechanics concerned with the behavior and diagnosis of rotating structures. It is commonly used to analyze the behavior of structures ranging from jet engines and steam turbines to auto engines and computer disk storage. At its most basic level rotordynamics is concerned with one or more mechanical structures (rotors) supported by bearings and influenced by internal phenomena that rotate around a single axis.

The supporting structure is called a stator. As the speed of rotation increases the amplitude of vibration often passes through a maximum that is called a critical speed. This amplitude is commonly excited by unbalance of the rotating structure- everyday examples include engine balance and tire balance.

If the amplitude of vibration at these critical speeds is excessive then catastrophic failure occurs. In addition to this, turbomachinery often develop instabilities which are related to the internal makeup of turbomachinery, and which must be corrected. This is the chief concern of engineers who design large rotors.



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