1,426 research outputs found

    Atmosphere Selection for Long-duration Manned Space Missions

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    This viewgraph reviews the spacecraft environment for future human space exploration missions. The choice of a atmosphere mix will play a critical role in the ultimate safety, productivity, and cost. There are a multitude of factors involved in selection of spacecraft environments

    Criteria for Selection of Materials for a Flammability Test on ISS

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    ISO 14624 Series - Space Systems - Safety and Compatibility of Materials Flammability Assessment of Spacecraft Materials

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    A viewgraph presentation on the flammability of spacecraft materials is shown. The topics include: 1) Spacecraft Fire Safety; 2) Materials Flammability Test; 3) Impetus for enhanced materials flammability characterization; 4) Exploration Atmosphere Working Group Recommendations; 5) Approach; and 6) Status of implementatio

    Remarks on Flammability Testing of Aerospace Materials

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    Agenda for the presentation: (1) Brief background of ISO 16697 (a) Reasons for the approach (b) Stated intent for this International Technical Specification (2) Evolution of initial considerations for the ISO approach (3) Discussion and recommendatio

    Topics on Test Methods for Space Systems and Operations Safety: Applicability of Experimental Data

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    This viewgraph presentation reviews topics on test methods for space systems and operations safety through experimentation and analysis. The contents include: 1) Perception of reality through experimentation and analysis; 2) Measurements, methods, and correlations with real life; and 3) Correlating laboratory aerospace materials flammability data with data in spacecraft environments

    Selected Lessons Learned over the ISS Design, Development, Assembly, and Operations: Applicability to International Cooperation for Standardization

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    This slide presentation reviews some of the lessons learned in the sphere of international cooperation during the development, assembly and operation of the International Space Station. From the begining all Partners shared a common objective to build, operate and utilize a crewed laboratory in low orbit as an international partnership. The importance of standards is emphasized

    Upward Flame Propagation and Wire Insulation Flammability: 2006 Round Robin Data Analysis

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    This viewgraph document reviews test results from tests of different material used for wire insulation for flame propagation and flammability. The presentation focused on investigating data variability both within and between laboratories; evaluated the between-laboratory consistency through consistency statistic h, which indicates how one laboratory s cell average compares with averages from other labs; evaluated the within-laboratory consistency through the consistency statistic k, which is an indicator of how one laboratory s within-laboratory variability compares with the variability of other labs combined; and extreme results were tested to determine whether they resulted by chance or from nonrandom causes (human error, instrument calibration shift, non-adherence to procedures, etc.

    Current Trends on the Applicability of Ground Aerospace Materials Test Data to Space System Environments

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    This slide presentation discusses the application of testing aerospace materials to the environment of space for flammability. Test environments include use of drop towers, and the parabolic flight to simulate the low gravity environment of space

    NASA-STD-6016 Standard Materials and Processes Requirements for Spacecraft

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    The standards for materials and processes surrounding spacecraft are discussed. Presentation focused on minimum requirements for Materials and Processes (M&P) used in design, fabrication, and testing of flight components for NASA manned, unmanned, robotic, launch vehicle, lander, in-space and surface systems, and spacecraft program/project hardware elements.Included is information on flammability, offgassing, compatibility requirements, and processes; both metallic and non-metallic materials are mentioned

    Selected Lessons Learned through the ISS Design, Development, Assembly, and Operations: Applicability to International Cooperation for Standardization

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    This slide presentation reviews selected lessons that were learned during the design, development, assembly and operation of the International Space Station. The critical importance of standards and common interfaces is emphasized to create a common operation environment that can lead to flexibility and adaptability
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