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Structural Analysis Of A Thermal Insulation Retainer Assembly
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722806149 Total Pages :28 pages Book Rating :4.8/5 (61 download)
Book Synopsis Structural Analysis of a Thermal Insulation Retainer Assembly by : National Aeronautics and Space Administration (NASA)
Download or read book Structural Analysis of a Thermal Insulation Retainer Assembly written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-11 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: In January 1989 an accident occurred in the National Transonic Facility wind tunnel at NASA Langley Research Center that was believed to be caused by the failure of a thermal insulation retainer. A structural analysis of this retainer assembly was performed in order to understand the possible failure mechanisms. Two loading conditions are important and were considered in the analysis. The first is the centrifugal force due to the fact that this retainer is located on the fan drive shaft. The second loading is a differential temperature between the retainer assembly and the underlying shaft. Geometrically nonlinear analysis is required to predict the stiffness of this component and to account for varying contact regions between various components in the assembly. High, local stresses develop in the band part of the assembly near discontinuities under both the centrifugal and thermal loadings. The presence of an aluminum ring during a portion of the part's operating life was found to increase the stresses in other regions of the band. Under the centrifugal load, high bending stresses develop near the intersection of the band with joints in the assembly. These high bending stresses are believed to be the most likely cause for failure of the assembly. Greene, William H. and Gray, Carl E., Jr. Langley Research Center RTOP 506-43-41-02...
Book Synopsis Structural Analysis of a Thermal Insulation Retainer Assembly by : William H. Greene
Download or read book Structural Analysis of a Thermal Insulation Retainer Assembly written by William H. Greene and published by . This book was released on 1989 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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