Space Systems Composite Overwrapped Pressure Vessels Copvs

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American National Standard Space Systems

Author : Anonim
Publisher : AIAA (American Institute of Aeronautics & Astronautics)
Page : 22 pages
File Size : 52,5 Mb
Release : 2001-02-28
Category : Technology & Engineering
ISBN : 1563474646

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American National Standard Space Systems by Anonim Pdf

This standard extablishes baseline requirements for the design, fabrication, test, operation, and maintenance of composite overwrapped pressure vessels (COPVs) used for pressurized, haradous or non-hazardous liquid or gas storage in space systems such as spacecraft and launch vehicles.

Material Issues in Space Shuttle Composite Overwrapped Pressure Vessels

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 28 pages
File Size : 44,5 Mb
Release : 2018-06-24
Category : Electronic
ISBN : 1721826831

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Material Issues in Space Shuttle Composite Overwrapped Pressure Vessels by National Aeronautics and Space Administration (NASA) Pdf

Composite Overwrapped Pressure Vessels (COPV) store gases used in four subsystems for NASA's Space Shuttle Fleet. While there are 24 COPV on each Orbiter ranging in size from 19-40", stress rupture failure of a pressurized Orbiter COPV on the ground or in flight is a catastrophic hazard and would likely lead to significant damage/loss of vehicle and/or life and is categorized as a Crit 1 failure. These vessels were manufactured during the late 1970's and into the early 1980's using Titanium liners, Kevlar 49 fiber, epoxy matrix resin, and polyurethane coating. The COPVs are pressurized periodically to 3-5ksi and therefore experience significant strain in the composite overwrap. Similar composite vessels were developed in a variety of DOE Programs (primarily at Lawrence Livermore National Laboratories or LLNL), as well as for NASA Space Shuttle Fleet Leader COPV program. The NASA Engineering Safety Center (NESC) formed an Independent Technical Assessment (ITA) team whose primary focus was to investigate whether or not enough composite life remained in the Shuttle COPV in order to provide a strategic rationale for continued COPV use aboard the Space Shuttle Fleet with the existing 25-year-old vessels. Several material science issues were examined and will be discussed in this presentation including morphological changes to Kevlar 49 fiber under stress, manufacturing changes in Kevlar 49 and their effect on morphology and tensile strength, epoxy resin strain, composite creep, degradation of polyurethane coatings, and Titanium yield characteristics. Sutter, James K. and Jensen, Brian J. and Gates, Thomas S. and Morgan, Roger J. and Thesken, John C. and Phoenix, S. Leigh Glenn Research Center; Langley Research Center

Safety Design for Space Systems

Author : Tommaso Sgobba,Gary Eugene Musgrave,Gary Johnson,Michael T. Kezirian
Publisher : Elsevier
Page : 1190 pages
File Size : 49,5 Mb
Release : 2023-07-25
Category : Technology & Engineering
ISBN : 9780323956550

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Safety Design for Space Systems by Tommaso Sgobba,Gary Eugene Musgrave,Gary Johnson,Michael T. Kezirian Pdf

The lack of widespread education in space safety engineering and management has profound effects on project team effectiveness in integrating safety during design. On one side, it slows down the professional development of junior safety engineers, while on the other side it creates a sectarian attitude that isolates safety engineers from the rest of the project team. To speed up professional development, bridge the gap within the team, and prevent hampered communication and missed feedback, the entire project team needs to acquire and develop a shared culture of space safety principles and techniques.The second edition of Safety Design for Space Systems continues to address these issues with substantial updates to chapters such as battery safety, life support systems, robotic systems safety, and fire safety. This book also features new chapters on crew survivability design and nuclear space systems safety. Finally, the discussion of human rating concepts, safety-by-design principles, and safety management practices have also been revised and improved. With contributions from leading experts worldwide, this second edition represents an essential educational resource and reference tool for engineers and managers working on space projects. Provides basic multidisciplinary knowledge on space systems safety design Addresses how space safety engineering and management can be implemented in practice Includes new chapters on crew survivability design and nuclear space systems safety Fully revised and updated to reflect the latest developments in the field

Fatigue and Fracture Mechanics

Author : John H. Underwood
Publisher : ASTM International
Page : 697 pages
File Size : 55,6 Mb
Release : 1997
Category : Fracture mechanics
ISBN : 9780803124103

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Fatigue and Fracture Mechanics by John H. Underwood Pdf

Low Earth Orbit Satellite Design

Author : George Sebestyen,Steve Fujikawa,Nicholas Galassi,Alex Chuchra
Publisher : Springer
Page : 317 pages
File Size : 45,6 Mb
Release : 2018-02-06
Category : Technology & Engineering
ISBN : 9783319683157

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Low Earth Orbit Satellite Design by George Sebestyen,Steve Fujikawa,Nicholas Galassi,Alex Chuchra Pdf

In recent decades, the number of satellites being built and launched into Earth’s orbit has grown immensely, alongside the field of space engineering itself. This book offers an in-depth guide to engineers and professionals seeking to understand the technologies behind Low Earth Orbit satellites. With access to special spreadsheets that provide the key equations and relationships needed for mastering spacecraft design, this book gives the growing crop of space engineers and professionals the tools and resources they need to prepare their own LEO satellite designs, which is especially useful for designers of small satellites such as those launched by universities. Each chapter breaks down the various mathematics and principles underlying current spacecraft software and hardware designs.

Safety Design for Space Systems

Author : Gary E. Musgrave Ph.D,Axel Larsen,Tommaso Sgobba
Publisher : Butterworth-Heinemann
Page : 992 pages
File Size : 40,5 Mb
Release : 2009-03-27
Category : Technology & Engineering
ISBN : 0080559220

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Safety Design for Space Systems by Gary E. Musgrave Ph.D,Axel Larsen,Tommaso Sgobba Pdf

Progress in space safety lies in the acceptance of safety design and engineering as an integral part of the design and implementation process for new space systems. Safety must be seen as the principle design driver of utmost importance from the outset of the design process, which is only achieved through a culture change that moves all stakeholders toward front-end loaded safety concepts. This approach entails a common understanding and mastering of basic principles of safety design for space systems at all levels of the program organisation. Fully supported by the International Association for the Advancement of Space Safety (IAASS), written by the leading figures in the industry, with frontline experience from projects ranging from the Apollo missions, Skylab, the Space Shuttle and the International Space Station, this book provides a comprehensive reference for aerospace engineers in industry. It addresses each of the key elements that impact on space systems safety, including: the space environment (natural and induced); human physiology in space; human rating factors; emergency capabilities; launch propellants and oxidizer systems; life support systems; battery and fuel cell safety; nuclear power generators (NPG) safety; habitat activities; fire protection; safety-critical software development; collision avoidance systems design; operations and on-orbit maintenance. * The only comprehensive space systems safety reference, its must-have status within space agencies and suppliers, technical and aerospace libraries is practically guaranteed * Written by the leading figures in the industry from NASA, ESA, JAXA, (et cetera), with frontline experience from projects ranging from the Apollo missions, Skylab, the Space Shuttle, small and large satellite systems, and the International Space Station. * Superb quality information for engineers, programme managers, suppliers and aerospace technologists; fully supported by the IAASS (International Association for the Advancement of Space Safety)

Reliability of Copvs Accounting for Margin of Safety on Design Burst

Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
Page : 34 pages
File Size : 53,6 Mb
Release : 2019-01-19
Category : Science
ISBN : 1794375007

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Reliability of Copvs Accounting for Margin of Safety on Design Burst by National Aeronautics and Space Adm Nasa Pdf

In this paper, the stress rupture reliability of Carbon/Epoxy Composite Overwrapped Pressure Vessels (COPVs) is examined utilizing the classic Phoenix model and accounting for the differences between the design and the actual burst pressure, and the liner contribution effects. Stress rupture life primarily depends upon the fiber stress ratio which is defined as the ratio of stress in fibers at the maximum expected operating pressure to actual delivered fiber strength. The actual delivered fiber strength is calculated using the actual burst pressures of vessels established through burst tests. However, during the design phase the actual burst pressure is generally not known and to estimate the reliability of the vessels calculations are usually performed based upon the design burst pressure only. Since the design burst is lower than the actual burst, this process yields a much higher value for the stress ratio and consequently a conservative estimate for the reliability. Other complications arise due to the fact that the actual burst pressure and the liner contributions have inherent variability and therefore must be treated as random variables in order to compute the stress rupture reliability. Furthermore, the model parameters, which have to be established based on stress rupture tests of subscale vessels or coupons, have significant variability as well due to limited available data and hence must be properly accounted for. In this work an assessment of reliability of COPVs including both parameter uncertainties and physical variability inherent in liner and overwrap material behavior is made and estimates are provided in terms of degree of uncertainty in the actual burst pressure and the liner load sharing. Murthy, Pappu L.N. Glenn Research Center NASA/TM-2012-217638, E-18283

Primer on Engineering Standards

Author : Maan H. Jawad,Owen R. Greulich
Publisher : John Wiley & Sons
Page : 168 pages
File Size : 43,9 Mb
Release : 2018-03-05
Category : Technology & Engineering
ISBN : 9781119466161

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Primer on Engineering Standards by Maan H. Jawad,Owen R. Greulich Pdf

A Clear, Comprehensive Introduction to Standards in the Engineering Professions Standards supplement the design process by guiding the designer toward consistency, safety, and reliability. As daily life involves increasingly complex and sophisticated instruments, standards become indispensable engineering tools to ensure user safety and product quality. Primer on Engineering Standards: Expanded Textbook Edition delves into standards creation and compliance to provide students and engineers with a comprehensive reference. The different types of standards are dissected and discussed in terms of development, value, impact, interpretation, and compliance, and options are provided for situations where conformance is not possible. The process of standards creation is emphasized in terms of essential characteristics and common pitfalls to avoid, with detailed guidance on how, where, and with whom one may get involved in official development. Organized for both quick reference and textbook study, this new Expanded Textbook Edition provides a quick, clear understanding of critical concepts, ramifications, and implications as it: Introduces the concepts, history, and classification of standards, rules, and regulations Discusses the federal, state, and local government’s role in standards development and enforcement Distinguishes voluntary consensus standards, limited consensus standards, and jurisdictional versus non-jurisdictional government standards Covers the need for and process of exemptions to existing standards Examines the characteristics of a good standard, and discusses opportunities for involvement in development Includes case studies to demonstrate standards applications, and extensive appendices to direct further inquiry The successful design, fabrication, and operation of any product relies on foundational understanding of pertinent standards; indeed, standards and guidelines form a central pillar of the engineering profession. This helpful resource goes beyond a list of rules to help students and practitioners gain a better understanding of the creation, import, and use of standards.

Composite overwrapped pressure vessels

Author : Pat B. McLaughlan
Publisher : Unknown
Page : 20 pages
File Size : 41,8 Mb
Release : 2011
Category : Electronic
ISBN : OCLC:745910941

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Composite overwrapped pressure vessels by Pat B. McLaughlan Pdf

Manufacturing Technology Directorate

Author : DIANE Publishing Company
Publisher : DIANE Publishing
Page : 108 pages
File Size : 53,6 Mb
Release : 1998-05
Category : Electronic
ISBN : 0788140418

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Manufacturing Technology Directorate by DIANE Publishing Company Pdf

This supplement contains new projects since the publication of the Project Book in Sep. 1995. Potential new starts are summarized on a single page. The summary contains an explanation of the need for the project, the approach taken to accomplish the effort, the benefits expected to be realized, the current status, the name of the project engineer, & performing contractor. Covers: advanced industrial practices, electronics, manufacturing & engineering systems, metals, nonmetals, sustainment, technology development, & Title III. Illsutrated.

Revolutionary Materials

Author : Sampe
Publisher : CRC Press
Page : 1054 pages
File Size : 44,5 Mb
Release : 2000-11-06
Category : Technology & Engineering
ISBN : 1587160625

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Revolutionary Materials by Sampe Pdf

International Digital Imaging Correlation Society

Author : Michael Sutton,Phillip L. Reu
Publisher : Springer
Page : 283 pages
File Size : 40,8 Mb
Release : 2017-03-30
Category : Technology & Engineering
ISBN : 9783319514390

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International Digital Imaging Correlation Society by Michael Sutton,Phillip L. Reu Pdf

This collection represents a single volume of technical papers presented at the Annual International DIC Society Conference and SEM Fall Conference organized by the Society for Experimental Mechanics and Sandia National Laboratories and held in Philadelphia, PA, November 7-10, 2016. The volume presents early findings from experimental, standards development and various other investigations concerning digital image correlation - an important area within Experimental Mechanics. The area of Digital Image Correlation has been an integral track within the SEM Annual Conference spearheaded by Professor Michael Sutton from the University of South Carolina. In 2016, the SEM and Sandia joined their collaborative strengths to launch a standing fall meeting focusing specifically on developments in the area of Digital Image Correlation. The contributed papers within this volume span numerous technical aspects of DIC including standards development for the industry.