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Experimental High Temperature Characterization Of A Magnetic Bearing For Turbomachinery
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Book Synopsis Experimental High Temperature Characterization of a Magnetic Bearing for Turbomachinery by :
Download or read book Experimental High Temperature Characterization of a Magnetic Bearing for Turbomachinery written by and published by . This book was released on 2003 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Open loop, experimental force and power measurements of a radial, redundant-axis, magnetic bearing at temperatures to 1000 degrees F (538 degrees C) and rotor speeds to 15,000 RPM along with theoretical temperature and force models are presented in this paper. The experimentally measured force produced by a single C-core using 22A was 600 pounds (2.67 kN) at room temperature and 380 pounds (1.69 kN) at 1000 degrees F (538 degrees C). These values were compared with force predictions based on a 1D magnetic circuit analysis and a thermal analysis of gap growth as a function of temperature. Tests under rotating conditions showed that rotor speed has a negligible effect on the bearing's load capacity. One C-core required approximately 340 watts of power to generate 190 pounds (8.45 kN) of magnetic force at 1000 degrees F (538 degrees C). However, the magnetic air gap was much larger than at room temperature. The data presented is after the bearing had already operated 6 thermal cycles and 11 total (not consecutive) hours at 1000 degrees F (538 degrees C). (23 figures, 9 refs.).
Book Synopsis Room Temperature Characterization of a Magnetic Bearing for Turbomachinery by :
Download or read book Room Temperature Characterization of a Magnetic Bearing for Turbomachinery written by and published by . This book was released on 2002 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Open loop, experimental force and power measurements of a three-axis, radial, heteropolar magnetic bearing at room temperature for rotor speeds up to 20,000 RPM are presented in this paper. The bearing, NASA Glenn Research Center's and Texas A & M's third generation high temperature magnetic bearing, was designed to operate in a 1000 deg. F (540 deg. C) environment and was primarily optimized for maximum load capacity. The experimentally measured force produced by one C-core of this bearing was 630 lb. (2.8 kN) at 16 A, while a load of 650 lbs (2.89 kN) was predicted at 16 A using 1D circuit analysis. The maximum predicted radial load for one of the three axes is 1,440 lbs (6.41 kN) at room temperature. The maximum measured load of an axis was 1050 lbs. (4.73 kN). Results of test under rotating conditions showed that rotor speed has a negligible effect on the bearing's load capacity. A single C-core required approximately 70 W of power to generate 300 lb (1.34 kN) of magnetic force. The room temperature data presented was measured after three thermal cycles up to 1000 deg. F (540 deg. C), totaling six hours at elevated temperatures.
Book Synopsis Experimental High Temperature Characterization Of A Magnetic Bearing For Turbomachinery... NASA/TM-2003-212183... National Aeronautics And Space Administration... March 2003 by : United States. National Aeronautics and Space Administration
Download or read book Experimental High Temperature Characterization Of A Magnetic Bearing For Turbomachinery... NASA/TM-2003-212183... National Aeronautics And Space Administration... March 2003 written by United States. National Aeronautics and Space Administration and published by . This book was released on 2003* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721530144 Total Pages :30 pages Book Rating :4.5/5 (31 download)
Book Synopsis Room Temperature Characterization of a Magnetic Bearing for Turbomachinery by : National Aeronautics and Space Administration (NASA)
Download or read book Room Temperature Characterization of a Magnetic Bearing for Turbomachinery written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-20 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Open loop, experimental force and power measurements of a three-axis, radial, heteropolar magnetic bearing at room temperature for rotor speeds up to 20,000 RPM are presented in this paper. The bearing, NASA Glenn Research Center's and Texas A&M's third generation high temperature magnetic bearing, was designed to operate in a 1000 F (540 C) environment and was primarily optimized for maximum load capacity. The experimentally measured force produced by one C-core of this bearing was 630 lb. (2.8 kN) at 16 A, while a load of 650 lbs (2.89 kN) was predicted at 16 A using 1D circuit analysis. The maximum predicted radial load for one of the three axes is 1,440 lbs (6.41 kN) at room temperature. The maximum measured load of an axis was 1050 lbs. (4.73 kN). Results of test under rotating conditions showed that rotor speed has a negligible effect on the bearing's load capacity. A single C-core required approximately 70 W of power to generate 300 lb (1.34 kN) of magnetic force. The room temperature data presented was measured after three thermal cycles up to 1000 F (540 C), totaling six hours at elevated temperatures. Montague, Gerald and Jansen, Mark and Provenza, Andrew and Jansen, Ralph and Ebihara, Ben and Palazzolo, Alan Glenn Research Center NASA/TM-2002-211904, NAS 1.15:211904, ARL-TR-2858, E-13594
Book Synopsis Room Temperature Characterization of a Magnetic Bearing for Turbomachinery by : Gerald Montague
Download or read book Room Temperature Characterization of a Magnetic Bearing for Turbomachinery written by Gerald Montague and published by . This book was released on 2002 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Fabrication of High-Temperature, Radial Magnetic Bearing for Turbomachinery by :
Download or read book Design and Fabrication of High-Temperature, Radial Magnetic Bearing for Turbomachinery written by and published by . This book was released on 2003 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research & Technology 2003 written by and published by DIANE Publishing. This book was released on with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of an Innovative Bearing Arrangement Solution for Micro-GT by : Fabrizio Stefani
Download or read book Design of an Innovative Bearing Arrangement Solution for Micro-GT written by Fabrizio Stefani and published by VIDE LEAF. This book was released on 2019-11-01 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comparative Analysis of Bearings for Micro-GT: an Innovative Arrangement FEM Design of a Cutting-Edge Support System for Micro-GT
Book Synopsis Active Magnetic Bearing Design and Characterization for High Temperature Applications by : Luc Burdet
Download or read book Active Magnetic Bearing Design and Characterization for High Temperature Applications written by Luc Burdet and published by . This book was released on 2006 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bearing Technology by : Pranav H. Darji
Download or read book Bearing Technology written by Pranav H. Darji and published by BoD – Books on Demand. This book was released on 2017-05-31 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the twenty-first century, bearings are expected to perform better in the form of various operating conditions, that is from low speed to extremely high speed and from low load to huge load applications. The expectations from the field of bearing technology are great. During the recent years, we have been witnessing the development of a new generation of mechanical systems that are highly miniaturized and very sophisticated, yet extremely robust. Technological progress creates increasingly arduous conditions for rolling mechanisms.
Book Synopsis Proceedings of the ASME Turbo Expo ... by :
Download or read book Proceedings of the ASME Turbo Expo ... written by and published by . This book was released on 2004 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research & Technology 2002 written by and published by DIANE Publishing. This book was released on with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Test-theory Correlation Study for an Ultra High Temperature Thrust Magnetic Bearing by : Desireddy Vijesh Reddy
Download or read book Test-theory Correlation Study for an Ultra High Temperature Thrust Magnetic Bearing written by Desireddy Vijesh Reddy and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic bearings have been researched by the National Aeronautics and Space Administration (NASA) for a very long time to be used in wide applications. This research was to assemble and test an axial thrust electromagnetic bearing, which can handle 1000 lb-f of axial thrust load, when rotating at high speed, in a high temperature environment of 1000 °F. This high temperature magnetic bearing system would be used in high performance, high speed and high temperature applications like space vehicles, jet engines and deep sea equipment. An experimental procedure was developed to measure actual load capacity of the designed bearing in the test rig. All the results obtained from the experiment were compiled and analyzed to determine the relation between bearing force, applied current and temperature. The thesis incorporates the assembly, testing of the electromagnetic bearing at various speeds and temperatures and compare predicted to measured force vs. speed, current, gap and temperature. The results showed that the high temperature thrust magnetic bearing is capable of handling 1000 lb-f at 1000°F and 5500 rpm.
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 380 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 Magnetic Bearings by : G. Schweitzer
Download or read book Magnetic Bearings written by G. Schweitzer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Bearings are bearings where the suspension forces are generated magnetically without any contact. The advantages to modern machinery are obvious: no mechanical wear, no lubrication, potential for high rotor speed, accuracy, and high dynamic performance, new constructional solutions to a classical problem in machine dynamics. The realization of such bearings is in rapid progress. Examples for application areas are turbomachinery, centrifuges, vacuum techniques, machine tool spindles, chemical industry, medical devices, robotics, high speed drives, spacecraft equipment, con tactless actuators, vibration isolation. The Symposium is demonstrating the current state of the art in this developing field of mechatronics, showing actual research efforts, reporting on applications in the various areas, and discussing open questions. The main purpose of the Symposium has been to establish a common information basis for people working on magnetic bearings. It will point to promising areas, and it will help to facilitate decisions on research and development projects, and on investments for applications.
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:
Book Synopsis Magnetic Bearings, Magnetic Drives and Dry Gas Seals Conference by :
Download or read book Magnetic Bearings, Magnetic Drives and Dry Gas Seals Conference written by and published by CRC Press. This book was released on 1995-08-08 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
