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Impact Of Vibration Induced Disturbances On Superconducting Magnets
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Book Synopsis Impact of Vibration-induced Disturbances on Superconducting Magnets by : Elizabeth Ann Scholle
Download or read book Impact of Vibration-induced Disturbances on Superconducting Magnets written by Elizabeth Ann Scholle and published by . This book was released on 1995 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: In magnetic levitation (maglev) systems, the interaction between the superconducting magnets (SCMs) and the discrete ground coils causes electromagnetic and mechanical vibrations. These disturbances limit the performance of the maglev, as occurred in the Japanese MLU002 maglev. Here I examine how the electromagnetic oscillations are translated into mechanical vibrations and the subsequent effects on thermal stability. Dynamic circuit theory is used to determine the harmonic forces on the SCM. The levitation, guidance and propulsion forces are represented by the summation of steady state forces and an oscillatory component due to the ground coils being discrete. The oscillatory component drives the vibrational response. Normal mode analysis is performed to determine the transient and steady state motion of the conductor. The energy dissipated within the conductor due to hysteretic and viscous damping is then determined from the conductor displacements. This energy forms the input to a two-dimensional, transient, thermal stability analysis. The results from the analysis methods described here have been qualitatively compared with experimental results obtained at the Japanese Railway Technical Research Institute's vibration test stand. Results indicate excellent qualitative agreement in functional form. Results show how variations in the mechanical properties of the conductor affect the stability of the MLU002 as a function of velocity. It was found that the vibrational resonances occur at certain combinations of Young's modulus and vehicle velocity, quenching the magnets. The use of high temperature superconductors has also been explored. The strains induced by the vibration of the conductor are detailed. Provided that the resonances can be avoided, the strains experienced by the conductor should not be problematic. The use of cryocoolers operating in the range of 20-40 K is also shown to be possible for maglev applications. The ability to predict the velocity at which resonances, and hence quenches, occur allows future maglevs to be designed to avoid such quenches by shifting the critical velocity above that intended for operation. An example of this is shown, using system parameters from the design of the new Japanese maglev test facility in the Yamanashi prefecture.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
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Download or read book Dissertation Abstracts International written by and published by . This book was released on 1996 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Superconductivity by : Peter J. Lee
Download or read book Engineering Superconductivity written by Peter J. Lee and published by John Wiley & Sons. This book was released on 2001-05-02 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive coverage of superconductivity from the Wiley Encyclopedia of Electrical and Electronics Engineering Engineering Superconductivity features fifty articles selected from the Wiley Encyclopedia of Electrical and Electronics Engineering, the one truly indispensable reference for electrical engineers. Superconductor technology has made highly advanced experiments possible in chemistry, biochemistry, particle physics, and health sciences, and introduced new applications currently in use in fields from medicine to cellular communications. Taken together, these articles-written by acknowledged experts in the field-provide the most complete and in-depth accounting of superconductivity in existence. The book brings together a wealth of information that would not be available to those who do not have access to the full 24-volume encyclopedia. This thorough survey looks at the application of superconductors from an engineer's practical perspective rather than a theoretical approach. Engineering Superconductivity provides full coverage of the fundamentals of superconducting behavior and explains the properties and fabrication methods of commercially produced superconductors. Up-to-date material on superconductor applications as well as competing technologies is included. The fifty articles presented here are divided into three sections: Superconductivity and magnetism Superconductors Applications and related technology Engineering Superconductivity is a complete and up-to-date reference for engineers, physicists, chemists, materials scientists, and anyone working with superconductors.
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1995 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Experimental Techniques In Condensed Matter Physics At Low Temperatures by : Robert C. Richardson
Download or read book Experimental Techniques In Condensed Matter Physics At Low Temperatures written by Robert C. Richardson and published by CRC Press. This book was released on 2018-02-19 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical book provides recipes for the construction of devices used in low temperature experimentation. It emphasizes what works, rather than what might be the optimum method, and lists current sources for purchasing components and equipment.
Download or read book Science Abstracts written by and published by . This book was released on 1995 with total page 1874 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch Publisher : ISBN 13 : Total Pages :1080 pages Book Rating :4.E/5 ( download)
Book Synopsis Japanese Science and Technology, 1983-1984 by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
Download or read book Japanese Science and Technology, 1983-1984 written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch and published by . This book was released on 1985 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Technology Program Digest Flash Index by :
Download or read book Research and Technology Program Digest Flash Index written by and published by . This book was released on 1967 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cryogenic Information Report written by and published by . This book was released on 1989 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :1680 pages Book Rating :4.E/5 ( download)
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1965 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Technology Program Digest by : United States. National Aeronautics and Space Administration
Download or read book Research and Technology Program Digest written by United States. National Aeronautics and Space Administration and published by . This book was released on with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1993-10 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt:
