By Committee to Review NASA 's Exploration Technology Development Program, National Research Council
In January 2004, President George W. Bush introduced the imaginative and prescient for area Exploration (VSE), which suggested NASA to 'Extend human presence around the sun procedure, beginning with a human go back to the Moon by way of the yr 2020, in practise for human exploration of Mars and different destinations,' between different targets. As said within the VSE, major expertise improvement might be essential to accomplish the pursuits it articulates.NASA's Exploration expertise improvement application (ETDP) is designed to help, improve, and finally give you the helpful applied sciences to satisfy the ambitions of the VSE. This publication, a evaluation of the ETDP, is largely supportive of the reason and pursuits of the VSE, and reveals the ETDP is making growth in the direction of the acknowledged objectives of know-how improvement. even though, the ETDP is working inside of major constraints which restrict its skill to effectively accomplish these objectives - the nonetheless dynamic nature of the Constellation software specifications, the limitations imposed via a constrained funds, the competitive time scale of early know-how deliverables, and the will to completely hire the NASA team.
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Additional info for A Constrained Space Exploration Technology Program: A Review of NASA's Exploration Technology Development Program
For the descent engine, the team is pursuing a LOX/LH2 engine based on the RL-10 and is working with Pratt & Whitney Rocketdyne to develop the new engine. The team is tackling critical design issues, such as the injector design. Its metrics are well defined and relevant to the development program. The team is aware of the risks that it faces. However, there are gaps in the project that the team is aware of but could not address owing to insufficient resources: controls, turbomachinery, and high-heat-transfer chambers.
Primary fuel cells are critical for Lunar Lander power. Regenerative fuel cells have been identified as critical storage systems for Lunar Surface Systems. These technologies are also enabling for the Mars mission. Long-term durability and reliability under extreme conditions (particularly for fuel cells) may be critical for the Mars mission, and accelerated tests to understand durability and reliability issues should be included in the planning. 07 THERMAL CONTROL SYSTEMS Objective Nearly all Constellation hardware will require systems to mitigate the extreme temperature conditions encountered in space and on lunar and planetary surfaces.
It appears that an upgrade to the arc-jet facility at NASA’s Ames Research Center (ARC) will take place that will improve its flow simulation capabilities. Material test specimens and TPS materials for the primary and backup CEV heat shields are being produced by aerospace companies. The CEV contractor has built a full-scale heat shield test article and will build the flight heat shield. These developments are being directed and reviewed by NASA to ensure the coordinated consideration of reentry mechanical and thermal loads.
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