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Author : Cynthia L. Lach
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book Effect of Temperature and O-ring Gland Finish on Sealing Ability of Viton V747-75 written by Cynthia L. Lach and published by . This book was released on 1993 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781792687976
Total Pages : 32 pages
Book Rating : 4.6/5 (879 download)
Download or read book Effect of Temperature and O-Ring Gland Finish on Sealing Ability of Viton written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2019 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a part of the redesign project of the Space Shuttle solid rocket motor (SRM) following the Challenger accident, the field joint was redesigned to minimize the relative joint motion caused by internal motor pressurization during ignition. The O-ring seals and glands for the field joint were designed both to accommodate structural deflections and to promote pressure-assisted sealing. Tests were conducted in various face seal fixtures to evaluate the ability of Viton V747-75 O-rings to seal for a range of temperatures and surface finishes of the redesigned O-ring gland. The effect of surface finish on the sealing performance and wear characteristics of the O-rings was evaluated during simulated launch conditions that included low-frequency vibrations, gap openings, and rapid pressurizations. The effect of contamination on the sealing performance was also investigated. The O-rings sealed throughout the 75 deg F leak check test and for the seal tests from 50 deg F to 120 deg F for the range of surface finishes investigated. Although abrasions were found in the O-rings from pressurization against the rougher finishes, these abrasions were not detrimental to sealing. Below 50 deg F, Viton V747-75 O-rings were insufficiently resilient to track the test gap opening. Lach, Cynthia L. Langley Research Center NASA-TP-3391, L-17214, NAS 1.60:3391 RTOP 505-63-50-02...
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ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1020 pages
Book Rating : 4.:/5 (31 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1994 with total page 1020 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1136 pages
Book Rating : 4.:/5 (891 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cynthia L. Lach
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (31 download)
Download or read book Effect of Temperature and Gap Opening Rate on the Resiliency of Candidate Solid Rocket Booster O-ring Materials written by Cynthia L. Lach and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1372 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Aeronautical Journal written by and published by . This book was released on 1994 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 732 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Collection of Technical Papers written by and published by . This book was released on 1989 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Summary of Laboratory Testing Performed to Characterize and Select an Elastomeric O-ring Material to be Used in the Redesigned Solid Rocket Motors of the Space Transportation System written by and published by . This book was released on 1993 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cynthia L. Lach
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book Effect of Temperature and Gap Opening Rate on the Resiliency of Candidate Solid Rocket Booster O-ring Materials written by Cynthia L. Lach and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1226 pages
Book Rating : 4.3/5 (91 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 1226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : DIANE Publishing Company
Publisher : DIANE Publishing
ISBN 13 : 0788119125
Total Pages : 267 pages
Book Rating : 4.7/5 (881 download)
Download or read book Report of the Presidential Commission on the Space Shuttle Challenger Accident written by DIANE Publishing Company and published by DIANE Publishing. This book was released on 1995-07 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gunter Zweig
Publisher : Academic Press
ISBN 13 : 1483220915
Total Pages : 272 pages
Book Rating : 4.4/5 (832 download)
Download or read book Modern Analytical Techniques written by Gunter Zweig and published by Academic Press. This book was released on 2013-10-22 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical Methods for Pesticides and Plant Growth Regulators, Volume XIV: Modern Analytical Techniques covers an updated treatment of the most frequently used techniques for pesticide analysis, i.e., thin-layer chromatography, gas chromatography (packed and capillary columns), high-performance liquid chromatography, and mass spectrometry. People involved in the analysis of pesticides will find the book useful.
Author : R. K. Flitney
Publisher : Air Science Company
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Seal Users Handbook written by R. K. Flitney and published by Air Science Company. This book was released on 1984 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Kemal Ozgoren
Publisher : John Wiley & Sons
ISBN 13 : 111919573X
Total Pages : 469 pages
Book Rating : 4.1/5 (191 download)
Download or read book Kinematics of General Spatial Mechanical Systems written by M. Kemal Ozgoren and published by John Wiley & Sons. This book was released on 2020-04-27 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guide to kinematic theory for the analysis of spatial mechanisms and manipulators Kinematics of General Spatial Mechanical Systems is an effective and proficient guide to the kinematic description and analysis of the spatial mechanical systems such as serial manipulators, parallel manipulators and spatial mechanisms. The author highlights the analytical and semi-analytical methods for solving the relevant equations and considers four main elements: The mathematics of spatial kinematics with the necessary theorems, formulas and methods; The kinematic description of the links and joints including the rolling contact joints; Writing the kinematic chain and loop equations for the systems to be analyzed; and Solving these equations for the unspecified variables both in the forward and inverse senses together with the multiplicity and singularity analyses. Comprehensive in scope, the book covers topics ranging from rather elementary subjects such as spatial mechanisms with single degree of freedom to more advanced topics such as serial manipulators including redundant and deficient ones, parallel manipulators, and non-holonomic spatial cam mechanisms that involve rolling without slipping motions. The author presents an effective and accessible symbolic manipulation method making it possible to obtain neat and transparent expressions that describe the systems showing all the kinematic details. Such expressions readily lead to analytical or semi-analytical solutions. They also facilitate the identification and analysis of the multiplicities and singularities. This all-time beneficial book: Provides an easy-to-use systematic formulation method that is applicable to all sorts of spatial machanisms and manipulators Introduces a symbolic manipulation method, which is effective and straightforward to use, so that kinematic relationships can be simplified by using all the special geometric features of the system Offers an accessible format that uses a systematic and easy-to-conceive notation which has proven successful Presents content written by an author who is a renowned expert in the field Includes an accompanying website Written for academicians, students, engineers, computer scientists and any other people working in the area of spatial mechanisms and manipulators, Kinematics of General Spatial Mechanical Systems provides a clear notation, formulation, and a logical approach to the topic and offers a fresh presentation of challenging material.
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ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (317 download)
Download or read book Simulator Study of Stall/post-stall Characteristics of a Fighter Airplane with Relaxed Longitudinal Static Stability written by and published by . This book was released on 1979 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
