Last edited by Samusho
Thursday, July 30, 2020 | History

3 edition of Torsional Vibration of Turbo-Machinery found in the catalog.

Torsional Vibration of Turbo-Machinery

by Duncan Walker

  • 27 Want to read
  • 22 Currently reading

Published by McGraw-Hill Professional .
Written in English

    Subjects:
  • Mechanical engineering,
  • Turbines,
  • Vibrations Of Mechanical Systems,
  • Technology,
  • Technology & Industrial Arts,
  • Science/Mathematics,
  • Turbomachines,
  • Engineering - Mechanical,
  • Technology / Engineering / Mechanical,
  • Power Resources,
  • Torsion,
  • Vibration

  • The Physical Object
    FormatHardcover
    Number of Pages189
    ID Numbers
    Open LibraryOL9254975M
    ISBN 100071430377
    ISBN 109780071430371

    His book Rotordynamics of Turbomachinery has sold more than 3, copies and is used by turbomachinery engineers around the world. He is an inventor on several patents relating to rotating machinery and vibration reduction. His patented TAMSEAL has been retrofitted to solve vibration problems in a number of high-pressure industrial compressors. In contrast to lateral vibration problems, torsional failures are especially heinous since the first symptom of a problem is often a broken shaft, gear tooth, or coupling. The difficulty of detecting incipient failures in the field makes the performance of a thorough torsional vibration analysis an essential component of the turbomachinery.

      Fig. 2 shows the spectra of torsional and lateral vibrations of disk No. 1 under rotating frequencies of Hz which is much lower than the natural torsional frequency without rub (f ori = Hz). The spectrum of (A) indicates that torsional vibrations with one-time, two-times and three-times rotating frequency are apparent, and the 3× of torsional vibration is most notable for its. Online Textbook Practical Solutions to Machinery and Maintenance Vibration Problems FOURTH REVISED EDITION MAY by Ralph T. Buscarello. This text has been written for the person working with already-built machinery rather than for the designer.

      An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker. Audio. An illustration of a " floppy disk. Torsional Vibration Of Turbomachinery Duncan N. Walker Item Preview remove-circle Share or Embed This Item. Valves, Pumps and Turbomachinery Reveal the unmonitored risks in your rotating equipment: The effects of torsional vibration—Part 2. In recent case studies, unexpected and unmonitored torsional vibration resulted in sudden failures, costly downtime and potential safety hazards.


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Torsional Vibration of Turbo-Machinery by Duncan Walker Download PDF EPUB FB2

Torsional Vibration of Turbo-Machinery (Engineering Reference) - Kindle edition by Walker, Duncan. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Torsional Vibration of Turbo-Machinery (Engineering Reference).Price: $   the ultimate reference for torsional vibration control.

Review Intended as a text for graduate-level engineering students and as a reference for practicing engineers involved with machinery rotary dynamics, this book deals with torsional vibration of rotating machinery, concentrating mainly on turbomachinery and particularly large steam.

Vibration, excessive noise and other dynamics-related problems that limit or prevent operation are a major manufacturing concern in airplanes, auto crankshafts, home appliances, etc. This detailed monograph provides in-depth coverage of state-of-the-art vibration analysis techniques used to prevent design and operational malfunction.

Torsional vibration of turbomachinery. New York: McGraw-Hill, (OCoLC) Online version: Walker, Duncan N. Torsional vibration of turbomachinery. New York: McGraw-Hill, (OCoLC) Material Type: Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: Duncan N Walker.

Torsional Vibration of Turbo-Machinery by Duncan Walker,available at Book Depository with free delivery worldwide.4/5(1). Torsional Vibration of Turbomachinery Duncan Walker, Duncan Walker Torsional Vibration of Turbo-Machinery book presents useful solutions developed over the author's lifetime of work and research in controlling torsional vibrations.

Another application of TIM approach is measurement of torsional vibration in turbo-machinery experiencing a rotor-to-stator rub [15]. Regardless of the sensing system applied in TIM approach, the output is a pulse train signal in which encoder segments passage times vary with respect to shaft rotational speed and torsional vibration.

Torsional vibration is angular vibration of an object—commonly a shaft along its axis of rotation. Torsional vibration is often a concern in power transmission systems using rotating shafts or couplings where it can cause failures if not controlled.

A second effect of torsional vibrations applies to passenger cars. Torsional vibrations can lead to seat vibrations or noise at certain speeds. In the context of rotor dynamics, torsional vibrations refer to the oscillatory torsional deformations encountered by the shafts in the rotor train.

Pictured: A shaft undergoing torsional vibration. If these torsional vibrations and excitations are left undamped and aren’t analyzed properly, breakages and catastrophic failures can occur. The Basics of Torsional Vibrations 3 • Torsional vibration is oscillatory twisting of the shafts in a rotor assembly that is superimposed to the running speed.

• The frequency can be externally forced, or can be an eigenvalue (natural frequency of the torsional system). Torsional Vibration of Turbomachinery Including application case studies and in-depth interpretation of computer-generated results, this book offers practical answers to preventing excessive damage, failure and noise due to vibrations in machines.

This work aims at investigating the free torsional vibration of one-directional nanostructures with an elliptical shape, under different boundary conditions. The equation of motion is derived from Hamilton’s principle, where Eringen’s nonlocal theory is applied to analyze the small-scale effects.

The analytical Galerkin method is employed to rewrite the equation of motion as an ordinary. Possibility of Torsional Resonance during Steady State Operation If excessive torsional vibration occurred due to resonance, stress levels exceeding the fatigue limit of the teeth material could act when teeth were meshing.

Moreover, for a geared train, torque reversal due to excessive torsional vibration could cause temporary. Get this from a library.

Torsional vibration of turbomachinery. [Duncan N Walker] -- Annotation "No other reference can match Duncan N. Walker's Torsional Vibration of Turbomachinery for problem-solving - and problem-preventing - expertise.

In this in-depth resource, the former. Originally published inthis book was primarily written to provide information on torsional vibration for the design and development departments of engineering companies, although it was also intended to serve students of the subject.5/5(2).

You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them.

noise or coupling wear. Excessive torsional vibrations can result in gear wear, gear tooth failures, key failures, shrink fit slippage, and broken shafts in severe cases.

The torsional vibration response of rotating machinery compo­ nents is an important consideration in defining the operational reliability of a rotary equipment train.

نام کتاب: Torsional Vibration Of Turbomachinery نویسنده: Duncan Walker و Duncan Walker ویرایش: ۱ سال انتشار: ۲۰۰۳ کد ISBN کتاب: ۹۷۸۰۰۷۱۴۳۰۳۷۱, ۰۰۷۱۴۳۰۳۷۷ فرمت: PDF تعداد صفحه: ۱۳۶ انتشارات: Mcgraw-Hill Professional Description About Book Torsional Vibration Of Turbomachinery From Amazon Text presents useful.

This book was primarily written to provide information on torsional vibration for the design and development departments of engineering companies, although it was also intended to serve students of the subject.

It will be of value to anyone with an interest in torsional vibration and the development of engineering practice. Rotational and torsional vibration. Torsional vibrations are important whenever power needs to be transmitted using a rotating shaft or couplings, such as in the case of automotive, truck and bus drivelines, recreation vehicles, marine drivelines or power-generation turbines.

The difficulty of detecting incipient failures in the field makes the performance of a thorough torsional vibration analysis an essential component of the turbomachinery design process. The primary objective of this paper is to provide such a procedure for the special case where the turbomachine is driven by a synchronous motor.Figure (left) View of Tacoma Narrows Bridge along deck; (right) view of torsional vibration In reading books and technical papers on vibration including the previous paragraph, engineering students are usually left with the impression that all vibrations are detrimental because most publicized work discusses vibration reduction in one form.Torsion definition, the act of twisting.

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