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Design Fabrication And Performance Of Foil Journal Bearing For The Brayton Rotating Unit
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Book Synopsis Design, Fabrication, and Performance of Foil Journal Bearing for the Brayton Rotating Unit by : Lazar Licht
Download or read book Design, Fabrication, and Performance of Foil Journal Bearing for the Brayton Rotating Unit written by Lazar Licht and published by . This book was released on 1973 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foil bearings were designed and manufactured to replace pivoted-shoe journal bearings in an existing Brayton Cycle turbo-alternator-compressor. The design of this unconventional rotor support was accomplished within the constraints and space limitations imposed by the present machine, and the substitution of foil bearings was effected without changes or modification other machine components. A housing and a test rig were constructed to incorporate the new foil-bearing support into a unified assemble with an air-driven rotor and the gimbal-mounted thrust bearing, seals, and shrouds of an actual Brayton Rotating Unit. The foil bearing required no external pressure source, and stable self-acting rotation was achieved at all speeds up to 43,200 rpm. Excellent wipe-wear characteristics of the foil bearing permitted well over 1000 start-stop cycles with no deterioriation of performance in the entire speed range.
Book Synopsis Design and Fabrication of the Brayton Rotating Unit by : J. E. Davis
Download or read book Design and Fabrication of the Brayton Rotating Unit written by J. E. Davis and published by . This book was released on 1972 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Brayton rotating unit (BRU), operating on a gas bearing system, has been designed, fabricated, and demonstrated for use in a closed Brayton cycle space power conversion system. The BRU uses a binary mixture of xenon and helium (molecular weight, 83.8) as the cycle working fluid and bearing lubricating medium and was designed to produce from 2.25 to 10.5 kw sub e of 1200 Hz three-phase electrical power. The single-shaft rotating assembly operates at a design speed of 36,000 rpm and comprises a radial single-stage compressor, a four-pole Rice alternator rotor, and a radial inflow turbine. Four units, a dynamic simulator and three component research packages, were supplied to the NASA Lewis Research Center for performance testing and further development.
Book Synopsis Modern Tribology Handbook, Two Volume Set by : Bharat Bhushan
Download or read book Modern Tribology Handbook, Two Volume Set written by Bharat Bhushan and published by CRC Press. This book was released on 2000-12-28 with total page 1760 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent research has led to a deeper understanding of the nature and consequences of interactions between materials on an atomic scale. The results have resonated throughout the field of tribology. For example, new applications require detailed understanding of the tribological process on macro- and microscales and new knowledge guides the rational
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 1979 with total page 722 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.
Book Synopsis Monthly Catalog, United States Public Documents by : United States. Superintendent of Documents
Download or read book Monthly Catalog, United States Public Documents written by United States. Superintendent of Documents and published by . This book was released on 1973 with total page 1252 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1976 with total page 1408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Contractor Report by : United States. National Aeronautics and Space Administration
Download or read book NASA Contractor Report written by United States. National Aeronautics and Space Administration and published by . This book was released on 1973 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Lubrication Technology by :
Download or read book Journal of Lubrication Technology written by and published by . This book was released on 1975 with total page 1340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Effects on the Clearance and Stiffness of Foil Journal Bearings for a Brayton Cycle Turboalternator by : A. Eshel
Download or read book Thermal Effects on the Clearance and Stiffness of Foil Journal Bearings for a Brayton Cycle Turboalternator written by A. Eshel and published by . This book was released on 1972 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis of foil journal bearings for a NASA Brayton Cycle Unit (BRU) is presented. The study represents an extension of previous work in that it includes the effects of thermal expansion of foil-bearing components, as well as an improved model of the influence of foil flexure. The results presented give the bearing film thickness, the bearing stiffness, and the foil tension as functions of the operating temperatures and the elasto-hydrodynamic and geometrical parameters pertinent to the design of BRU foil bearings. A computer program for the evaluation of design data and for parametric studies is included.
Download or read book Paper written by and published by . This book was released on 1974 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cumulative Title Index to United States Public Documents, 1789-1976 by : Daniel W. Lester
Download or read book Cumulative Title Index to United States Public Documents, 1789-1976 written by Daniel W. Lester and published by . This book was released on 1980 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ASME Technical Papers written by and published by . This book was released on 1974 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis, Design, Fabrication and Testing of the Mini-Brayton Rotating Unit (Mini-BRU). Volume 1: Text and Tables by :
Download or read book Analysis, Design, Fabrication and Testing of the Mini-Brayton Rotating Unit (Mini-BRU). Volume 1: Text and Tables written by and published by . This book was released on 1978 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design, Fabrication and Testing of a Foil Gas-bearing Test Rig by : L. Licht
Download or read book Design, Fabrication and Testing of a Foil Gas-bearing Test Rig written by L. Licht and published by . This book was released on 1970 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 2 KWe Solar Dynamic Ground Test Demonstration Project by :
Download or read book 2 KWe Solar Dynamic Ground Test Demonstration Project written by and published by . This book was released on 1997 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1973 with total page 1296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
