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Author : Sarah K. Helms
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (768 download)
Download or read book Development and Testing of an Inflatable, Rigidizable Space Structure Experiment written by Sarah K. Helms and published by . This book was released on 2006 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Lee Philley
Publisher :
ISBN 13 : 9781423504436
Total Pages : 152 pages
Book Rating : 4.5/5 (44 download)
Download or read book Development, Fabrication and Ground Test of an Inflatable Structure Space-Flight Experiment written by Thomas Lee Philley and published by . This book was released on 2003-03-01 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inflatable, rigidizable structures provide a solution to reduce the costs associated with design, fabrication and launch of a space system while simultaneously increasing the deployment reliability and mission success of the system%. This research focused on the follow on design, fabrication, and ground test of the Rigidizable Inflatable Get-Away-Special Experiment (RIGEX). RIGEX is a self-contained experiment that will test the deployment and structural characteristics of three inflatable rigidizable tubes. Once inflated and rigidized, each tube will be excited using piezoelectric transducers in order to collect vibration data for structural characterization. The goal of this research was to collect ground testing data that will later be used in conjunction with actual space flight results in an effort to validate ground testing methodologies.
Author :
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (946 download)
Download or read book Development, Fabrication and Ground Test of an Inflatable Structure Space-Flight Experiment written by and published by . This book was released on 2003 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inflatable, rigidizable structures provide a solution to reduce the costs associated with design, fabrication and launch of a space system while simultaneously increasing the deployment reliability and mission success of the system%. This research focused on the follow on design, fabrication, and ground test of the Rigidizable Inflatable Get-Away-Special Experiment (RIGEX). RIGEX is a self-contained experiment that will test the deployment and structural characteristics of three inflatable rigidizable tubes. Once inflated and rigidized, each tube will be excited using piezoelectric transducers in order to collect vibration data for structural characterization. The goal of this research was to collect ground testing data that will later be used in conjunction with actual space flight results in an effort to validate ground testing methodologies.
Author : Chad R. Moeller
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (672 download)
Download or read book Design and Ground-testing of an Inflatable-rigidizable Structure Experiment in Preparation for Space Flight written by Chad R. Moeller and published by . This book was released on 2005 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard S. Pappa
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book Structural Dynamics Experimental Activities in Ultra-lightweight and Inflatable Space Structures written by Richard S. Pappa and published by . This book was released on 2001 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reports recently completed structural dynamics experimental activities with new ultra-lightweight and inflatable space structures (a.k.a., "Gossamer" spacecraft) at NASA Langley Research Center, NASA Marshall Space Flight Center, and NASA Goddard Space Flight Center. Nine aspects of this work are covered: 1) inflated, rigidized tubes, 2) active control experiments, 3) photogrammetry, 4) laser vibrometry, 5) modal tests of inflatable structures, 6) in-vacuum modal tests, 7) tensioned membranes, 8) deployment tests, and 9) flight experiment support. Structural dynamics will play a major role in the design and eventually in-space deployment and performance of Grossamer spacecraft. Experimental research and development such as this is required to validate new analysis methods.
Author : Brady D. O'Neal
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (181 download)
Download or read book Development and Testing of the Rigidizable Inflatable Get-away-special Experiment written by Brady D. O'Neal and published by . This book was released on 2007 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book RIGEX: Preliminary Design of a Rigidized Inflatable Get-Away-Special Experiment written by and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: As space structures grow in size and complexity, their weight and cost increase considerably. The use of inflatable and rigidizable structures offers drastic improvements in all areas of spacecraft design. The goal of this experiment is to verify and validate ground testing of inflation and rigidization methods for inflatable space structures. The Rigidized Inflatable Get-Away-Special Experiment is an autonomous, self-contained space shuttle experiment that will inflate and rigidize several structures. After inflation, the experiment will perform a structural analysis by exciting the rigidized structures and collecting vibration data. A systems engineering approach is utilized to make design decisions based on a total system and life-cycle perspective.
Author : John D. DiSebastian
Publisher :
ISBN 13 : 9781423530626
Total Pages : 146 pages
Book Rating : 4.5/5 (36 download)
Download or read book Rigex written by John D. DiSebastian and published by . This book was released on 2001-03-01 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: As space structures grow in size and complexity, their weight and cost increase considerably. The use of inflatable and rigidizable structures offers drastic improvements in all areas of spacecraft design. The goal of this experiment is to verify and validate ground testing of inflation and rigidization methods for inflatable space structures. The Rigidized Inflatable Get-Away-Special Experiment is an autonomous, self-contained space shuttle experiment that will inflate and rigidize several structures. After inflation, the experiment will perform a structural analysis by exciting the rigidized structures and collecting vibration data. A systems engineering approach is utilized to make design decisions based on a total system and life-cycle perspective.
Author : Steven N. Lindemuth
Publisher :
ISBN 13 : 9781423517375
Total Pages : 123 pages
Book Rating : 4.5/5 (173 download)
Download or read book Characterization and Ground Test of an Inflatable Rigidizable Space Experiment written by Steven N. Lindemuth and published by . This book was released on 2004-03-01 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: As greater capability is demanded of space-based assets, their size and complexity are growing. Inflatable, rigidizable structures offer significant improvements in the areas of weight, size, and complexity over traditional mechanically deployed systems. These structures are not well understood and little testing of them has been done in the space environment. Widespread acceptance of these technologies will not be achieved without significant reduction in the risk of using inflatable, rigidizable structures in space. The goal of this experiment is to verify and validate ground testing of small tubular truss structures for use in space. This experiment builds on previous research done in this area to reduce the risks involved in testing inflatable, rigidizable structures in space. The Rigidizable Inflatable Get-Away-Special Experiment (RIGEX) is designed to launch as a self-contained experiment on the Space Shuttle. It will inflate and rigidize three redundant experiments in the open space environment. Once these structures are deployed and rigidized, the experiment will vibrationally excite the deployed structures and record the vibrational response. This thesis produced test equipment that would meet the RIGEX Concept of Operations and conducted testing to gain an understanding of the heating, pressurization, and inflation systems of the RIGEX experiment to avoid mission failure. Appendixes contain the following: system weight tabulations, heating test results, inflation test results, success criteria, DoD SERB briefing slides, system architecture, updated NASA payload accommodations requirements, and inflation system calculations. The accommodation plan defines the technical agreement between NASA/Goddard Space Flight Center (GSFC) and the Getaway Special Canister (GAS) customer concerning the unique information needed for the preparation, flight, and disposition of the GAS payload. (12 tables, 32 figures, 32 refs.)
Author :
Publisher :
ISBN 13 :
Total Pages : 237 pages
Book Rating : 4.:/5 (227 download)
Download or read book Structural Analysis of the Rigidizable Inflatable Get-Away-Special Experiment written by and published by . This book was released on 2004 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this research was to validate the structural integrity of the Rigidizable Inflatable Get-Away-Special Experiment (RIGEX) and make appropriate improvements to the design, motivated by static and dynamic analysis results. RIGEX is designed to advance the use of rigidizable inflatable structures in the space environment by providing three sets of on-orbit test data on the structural characteristics of three thermoplastic composite tubes. This thesis discusses the RIGEX structural analysis. The term structural analysis refers to the development of a detailed finite element model and the tests for which the model was used. The finite element model provided an acceptable estimation of RIGEX's natural frequencies, the structural integrity of the fastener system, the maximum stress seen by the aluminum primary structure, and the maximum possible displacements at various locations around the RIGEX structure for various load conditions. These three analyses motivated numerous design changes, which are discussed in detail in this thesis. The analysis process was repeated following each design change until all structural integrity and design criteria were met. In addition to the structural analysis and associated design changes, this thesis presents the as built RIGEX drawing package and wiring schematic. The results presented in this thesis are the first step towards passing the structural integrity requirements set forth by the National Aeronautics and Space Administration (NASA) for manned spaceflight. Recommendations of appropriate construction and testing techniques to ensure the actual structure matches the computer model are discussed.
Author :
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (227 download)
Download or read book Final Development, Testing, and Flight Preparation of the Rigidizable Get-Away-Special Experiment (RIGEX). written by and published by . This book was released on 2007 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this research is to support the final development of the Rigidizable Inflatable Get-Away-Special Experiment (RIGEX). The RIGEX program is an experimental initial step in developing large-scale rigidizable inflatable structures, which can be utilized in space applications. The primary intent of RIGEX is to verify and validate ground testing of inflation and rigidization methods for inflatable space structures against a zero-gravity space environment. This is performed by designing a Canister for All Payload Ejections (CAPE) experiment to collect data on space rigidized structures for validation of ground testing methods. The results presented in this thesis provide documentation needed to meet the requirements set forth by the National Aeronautics and Space Administration (NASA) for launching a payload into space. This thesis establishes a process for appropriately ground testing the components of RIGEX in an environment similar to space and explains future testing required. Methods for charging and testing the performance of the onboard inflation system are also discussed. Additionally, the steps taken to replace the onboard imaging system are explained. Throughout the course of assembling the RIGEX protoflight model, several complications were encountered and the design was modified, which are presented along with an as-built final assembly drawing package. Lastly, the procedure for handling RIGEX during its future progression is illustrated.
Author :
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (946 download)
Download or read book Structural Design and Analysis of a Rigidizable Space Shuttle Experiment written by and published by . This book was released on 2004 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: AFIT is in the process of designing a Space Shuttle experiment designated as the Rigidized Inflatable Get-Away-Special Experiment (RIGEX) to study the effects of microgravity on the deployment of rigidizable composite structures. Once in space, the experiment will inflate and rigidize three composite structures and perform a vibration analysis on each by exciting the tubes using piezoelectric patches and collecting data via an accelerometer. This paper presents the structural and vibration analysis of the RIGEX assembly and inflatable composite tubes using ABAQUS Finite Element Analysis (FEA) software. Comparison of the analysis has been carried out with Eigenvalue/Eigenvector experimentation by means of ping testing. This FEA analysis has been used to verify the natural frequency and structural integrity of the RIGEX support assemblies. The ABAQUS FEA results correlated to within 20% of experimental values.
Author :
Publisher :
ISBN 13 :
Total Pages : 320 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 1992 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. H. Jenkins
Publisher : AIAA
ISBN 13 : 9781600864421
Total Pages : 626 pages
Book Rating : 4.8/5 (644 download)
Download or read book Progress In Astronautics and Aeronautics written by C. H. Jenkins and published by AIAA. This book was released on 2001 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zachary R. Miller
Publisher :
ISBN 13 :
Total Pages : 696 pages
Book Rating : 4.:/5 (229 download)
Download or read book Final Development, Testing, and Flight Preparation of the Rigidizable Inflatable Get-Away-Special Experiment (RIGEX) written by Zachary R. Miller and published by . This book was released on 2007 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bert Chapman
Publisher : Bloomsbury Publishing USA
ISBN 13 : 159884007X
Total Pages : 436 pages
Book Rating : 4.5/5 (988 download)
Download or read book Space Warfare and Defense written by Bert Chapman and published by Bloomsbury Publishing USA. This book was released on 2008-03-19 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This timely resource provides a history of the development of space weapons and warfare strategies and a comprehensive reference guide to the growing literature on the subject. Space Warfare and Defense: A Historical Encyclopedia and Research Guide provides comprehensive coverage of the development of space as a possible arena for warfare, exploring the military uses of space—past, present, and future—and specific details of actual space weapons systems. The encyclopedia spans the breadth of U.S. military space policy; comparable programs in the Soviet Union, China, and the European Union; and the full array of international agreements designed to regulate the military uses of space. In addition, the encyclopedia includes an extensive reference guide (nearly 40 percent of the book) directing readers to the essential literature on space weapons and defense systems produced by the United States, other governments, research institutions, and additional sources. At a time when space is becoming an increasingly important place of military competition and potential conflict, Space Warfare and Defense dispels the myths and examines the realities of what may become humanity's ultimate battlefield.
Author :
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book Photogrammetry Methodology Development for Gossamer Spacecraft Structures written by and published by . This book was released on 2002 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
