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newkirk and spiral vibration

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7th IFToMM-Conference on Rotor Dynamics, Vienna, Austria, 25-28 ...
Sep 28, 2006 . The phenomenon of spiral vibration (Newkirk-effect) may be observed in various types of rotating machinery. It is caused by a vibration-induced .
http://www.delta-js.ch/cms/upload/pdf/english/technical-papers/Spiral_Vibrations_IFToMM_2006.pdf



Hot spots, Morton effect , Newkirk effect, spiral vibrations
Hot Spot Stability Analysis (Morton or Newkirk effect). Vibration-induced hot spots on the rotor surface generated by friction in bearings, seals or slip rings of .
http://www.delta-js.ch/english/engineering/rotordynamic-analyses/hot-spot-stability-analysis/



SPIRAL VIBRATIONS OF ROTORS
the knowledge of the conditions when a spiral increases or decreases . Spiral vibrations, also cal led Newkirk effect, have been investigated in the past by A.D. .
http://www.delta-js.ch/cms/upload/pdf/english/technical-papers/Spiral_Vibrations_of_Rotors_1987.pdf



THE SYNCHRONOUS ROTOR INSTABILITY PHENOMENON ...
Effect (Newkirk, 1926) and clearly explained by Dimarogonas. (1973). The effect is also referred to as spiral vibrations, due to its spiraling vibration behavior at .
http://turbolab.tamu.edu/uploads/files/papers/t37/T37-TUT02.pdf



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Simplified Morton Effect analysis for synchronous spiral instability
Dec 3, 2009 . phenomenon was by Newkirk [1], where the temperature dif- ference was . Residual rotor imbalance produces vibration, which may produce a .
http://www.energy-tech.com/PDF/0912_ASME.pdf


A study of the Newkirk effect in turbomachinery 10.1016/0043-1648 ...
An analytical and experimental study was undertaken on the Newkirk Effect as applied to turbomachinery which is the vibration change produced when a high speed. . Kroon and Williams6'9 observed the spiral character of the Newkirk Effect .
http://www.sciencedirect.com/science/article/pii/0043164874901938


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Published in Panama City News Herald on April 6, 2012
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  • Thermal Bending of the Rotor Due to Rotor-to-Stator Rub | DeepDyve
    E-mail: psg@bncl 17psg.bently.com. pioneering works of Taylor (1924) and Newkirk (1926), the unwinding spiral vibrations of rotors are documented in several .
    http://www.deepdyve.com/lp/hindawi-publishing-corporation/thermal-bending-of-the-rotor-due-to-rotor-to-stator-rub-RRMYAozdWa


    - Tammi Poyner (Bush) (Panama City, FL)
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POWER2009-81030
SIMPLIFIED MORTON EFFECT ANALYSIS FOR SYNCHRONOUS SPIRAL . of spiral vibration. . phenomenon was by Newkirk [1], where the temperature .
http://www.rotordynamics.org/Paper_PDFs/ASME%20Power2009-81030%20Morton%20Effect%20paper%20FINAL.pdf


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