Get A Constrained Space Exploration Technology Program: A Review PDF

By Committee to Review NASA 's Exploration Technology Development Program, National Research Council

ISBN-10: 0309125839

ISBN-13: 9780309125833

ISBN-10: 0309125847

ISBN-13: 9780309125840

In January 2004, President George W. Bush introduced the imaginative and prescient for area Exploration (VSE), which urged NASA to 'Extend human presence around the sun method, beginning with a human go back to the Moon through the yr 2020, in education for human exploration of Mars and different destinations,' between different ambitions. As stated within the VSE, major know-how improvement can be essential to accomplish the objectives it articulates.NASA's Exploration know-how improvement application (ETDP) is designed to aid, advance, and eventually give you the useful applied sciences to fulfill the pursuits of the VSE. This e-book, a evaluation of the ETDP, is greatly supportive of the purpose and objectives of the VSE, and reveals the ETDP is making growth in the direction of the acknowledged ambitions of expertise improvement. even if, the ETDP is working inside major constraints which restrict its skill to effectively accomplish these objectives - the nonetheless dynamic nature of the Constellation software specifications, the restrictions imposed via a restricted price range, the competitive time scale of early know-how deliverables, and the will to completely hire the NASA team.

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Extra info for A Constrained Space Exploration Technology Program: A Review of NASA's Exploration Technology Development Program

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The issue with fluid-loop-coupled radiators is the connection between the metal fluid loop and the low-mass composite radiator. A significant amount of work has been done on composite radiators from a variety of organizations. The effort presented did not seem to build on any of that existing work. It was reported that the Constellation Program had not decided to go ahead with this technology. It was noted that the thermal technology project is supporting the In Situ Resource Utilization (ISRU) and Robotics efforts because they do not have thermal expertise.

This indicates a lack of a well-developed plan and/or capability for transitioning NASA’s electrode and electrolyte materials development into full-scale hardware and its subsequent technology insertion into the ­Constellation Program. However, GRC is conducting a testing program on large cells procured from industrial battery ­developers, and other NASA centers are conducting a materials development effort in which new materials are tested in very small cells. Effectiveness in Developing and Transitioning: Fuel Cells: Green Flag; Batteries: Yellow Flag The current battery and fuel cell technologies used on EVA and the space shuttle are old technologies, and even technologies available today would provide significant performance benefits.

ISHM is an enabling capability for risk mitigation, mission safety, and mission assurance for space exploration. Specifically, ISHM is to provide a systematic methodology to increase ground system availability for Constellation. The project elements presented were as follows: • Solid-rocket motor health management, with an add-on proof-of-concept test for NASA that will be accommodated in a flight demonstration on a DOD microsatellite called Tactical Satellite-3; • Integrated ground system diagnostics, with infusion into ground support and analyses infrastructure; and • In-space, closed-loop, long-duration validation of a complete ISHM system.

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A Constrained Space Exploration Technology Program: A Review of NASA's Exploration Technology Development Program by Committee to Review NASA 's Exploration Technology Development Program, National Research Council

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