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Mass Properties Calibration Of The Nasa Langley Low Frequency Vibration Test Apparatus
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722357641 Total Pages :46 pages Book Rating :4.3/5 (576 download)
Book Synopsis Mass Properties Calibration of the NASA Langley Low Frequency Vibration Test Apparatus by : National Aeronautics and Space Administration (NASA)
Download or read book Mass Properties Calibration of the NASA Langley Low Frequency Vibration Test Apparatus written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-07 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a description and calibration results of the modified NASA Langley Low Frequency Vibration Test Apparatus. The description includes both the suspension system and the data acquisition system. The test apparatus consists of a 2 inch thick, 21 inch diameter aluminum plate that is suspended from an advanced suspension system using a 40 foot long cable system. The test apparatus employed three orthogonally aligned pairs of Sundstrand QA-700 servo accelerometers that can measure accelerations as low as 1 micro-g. The calibration involved deriving the mass and moments of inertia of the test platform from measured input forces and measured acceleration responses. The derived mass and moments were compared to test platform mass properties obtained initially from measurements with a special mass properties instrument. Results of the calibration tests showed that using the product of the test apparatus mass and the measured accelerations, the disturbance force at the center of gravity (CG) can be determined within 4 percent on all three axes. Similarly the disturbance moments about the X, Y, and Z axes can be determined within 5 percent by using the product of the measured moments of inertia and the angular accelerations about the X, Y, and Z axes. Javeed, Mehzad and Russell, James W. Unspecified Center NAS1-19000; RTOP 693-89-00-01...
Book Synopsis Mass Properties Calibration of the NASA Langley Low Frequency Vibration Test Apparatus, Mehzad Javeed Et Al, Lockheed Engineering and Sciences Corp., 1 Sept. 1995 by :
Download or read book Mass Properties Calibration of the NASA Langley Low Frequency Vibration Test Apparatus, Mehzad Javeed Et Al, Lockheed Engineering and Sciences Corp., 1 Sept. 1995 written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1996 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Frequency Vibration Characteristics of the Space Acceleration Measurement System 2 Tape Drive Assembly by :
Download or read book Low Frequency Vibration Characteristics of the Space Acceleration Measurement System 2 Tape Drive Assembly written by and published by . This book was released on 1996 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Langley Scientific and Technical Information Output, 1995 by :
Download or read book NASA Langley Scientific and Technical Information Output, 1995 written by and published by . This book was released on 1996 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is a compilation of the scientific and technical information that the Langley Research Center has produced during the calendar year 1995. Included are citations for formal reports, high-numbered conference publications, high-numbered technical memorandums, contractor reports, journal articles and other publications, meeting presentations, technical talks, computer programs, tech briefs, and patents.
Book Synopsis Validation of Force Limited Vibration Testing at NASA Langley Research Center by : Chad E. Rice
Download or read book Validation of Force Limited Vibration Testing at NASA Langley Research Center written by Chad E. Rice and published by . This book was released on 2003 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Force Limited Vibration Testing Monograph by : Terry D. Scharton
Download or read book Force Limited Vibration Testing Monograph written by Terry D. Scharton and published by . This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Calibration of the NASA Ames Rotor Test Apparatus Steady/Dynamic Rotor Balance by :
Download or read book Dynamic Calibration of the NASA Ames Rotor Test Apparatus Steady/Dynamic Rotor Balance written by and published by . This book was released on 1996 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Tech Brief written by and published by . This book was released on 1963 with total page 1132 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 :1152 pages Book Rating :4.F/5 ( download)
Book Synopsis NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Download or read book NASA Scientific and Technical Reports 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 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Frequency Vibration Characteristics of the Commercial Refrigeration/Incubation Module by :
Download or read book Low Frequency Vibration Characteristics of the Commercial Refrigeration/Incubation Module written by and published by . This book was released on 1997 with total page 64 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 :1156 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 1964 with total page 1156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Automated Mass Properties Measurement System Calibration Procedures by :
Download or read book Automated Mass Properties Measurement System Calibration Procedures written by and published by . This book was released on 1989 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the procedures used to calibrate the automated mass properties measurement system, a system consisting of various components that together measure the mass, center of mass location, magnitudes of the principal mass moments of inertia, and orientation of the principal axes of a given test object. This system, located at the Armstrong Aerospace Medical Research Laboratory, Wright-Patterson Air Force Base, can determine the mass properties of test objects weighing from 0.5 to 450 pounds. It is used for a variety of applications including measuring the properties of manikin segments for modeling purposes or evaluating newly developed helmets and night vision goggles to determine the effects of adding their mass to the head-neck system. As the system is actually composed of a number of devices that measure different aspects of the mass properties, each of these components must be calibrated separately. A description of the use of each component and the procedure used to calibrate it is presently for all of the devices. After each of these separate elements are calibrated, the accuracy of the entire system is then verified using an aluminum test block. The procedure described herein should be repeated at least once a month and before and after every test series.
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 1996 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721573219 Total Pages :36 pages Book Rating :4.5/5 (732 download)
Book Synopsis Validation of Force Limited Vibration Testing at NASA Langley Research Center by : National Aeronautics and Space Administration (NASA)
Download or read book Validation of Force Limited Vibration Testing at NASA Langley Research Center 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 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibration tests were performed to develop and validate the forced limited vibration testing capability at the NASA Langley Research Center. The force limited vibration test technique has been utilized at the Jet Propulsion Laboratory and other NASA centers to provide more realistic vibration test environments for aerospace flight hardware. In standard random vibration tests, the payload is mounted to a rigid fixture and the interface acceleration is controlled to a specified level based on a conservative estimate of the expected flight environment. In force limited vibration tests, both the acceleration and force are controlled at the mounting interface to compensate for differences between the flexible flight mounting and rigid test fixture. This minimizes the over test at the payload natural frequencies and results in more realistic forces being transmitted at the mounting interface. Force and acceleration response data was provided by NASA Goddard Space Flight Center for a test article that was flown in 1998 on a Black Brant sounding rocket. The measured flight interface acceleration data was used as the reference acceleration spectrum. Using this acceleration spectrum, three analytical methods were used to estimate the force limits. Standard random and force limited vibration tests were performed and the results are compared with the flight data. Rice, Chad and Buehrle, Ralph D. Langley Research Center NASA/TM-2003-212404, L-18280, NAS 1.15:212404
Book Synopsis Cumulative Index to NASA Tech Briefs by : United States. National Aeronautics and Space Administration
Download or read book Cumulative Index to NASA Tech Briefs written by United States. National Aeronautics and Space Administration and published by . This book was released on 1970 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Tech Briefs written by and published by . This book was released on 1977 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: