Ares Power

GRAHAM WARWICK

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Ares Power

机译：战神力量

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As it zeroes in on the final design of its Ares I crew launch vehicle,NASA continues to make changes to the propulsion systems as it strives to balance cost and performance while meeting the deadline for initial opera-tional capability by early Fiscal 2015. Cost and weight issues with composites have forced the agency back to a metal nozzle for the Pratt & Whitney Rock-etdyne (PWR) J-2X rocket engine that will power both the upper stage of the Ares I crew launch vehicle and the Earth departure stage of the heavy-lift Ares V.

机译：随着对Ares I乘员运载火箭最终设计的关注，NASA继续对推进系统进行更改，力求平衡成本和性能，同时在2015财年年初之前满足初始作战能力的最后期限。复合材料的重量问题迫使该机构重新使用了普惠（Pratt＆Whitney）Rock-etdyne（PWR）J-2X火箭发动机的金属喷嘴，该发动机将为Ares I乘员运载火箭的上层阶段和ARES I运载火箭的地球离开阶段提供动力重型战神V

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来源
《Aviation Week & Space Technology》 |2008年第4期|p.51|共1页
作者
GRAHAM WARWICK;
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收录信息美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类航空;
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8. Powering Exploration: The Ares I Crew Launch Vehicle and Ares V Cargo Launch Vehicle [R] . Cook, Stephen A. 2008

机译：动力探索：ares I Crew运载火箭和战神V货运运载火箭

Ares Power

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