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航天基础 世界航天科技发展 中国航天发展历程 未来的宇航
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文章通过空客A-350XWB飞机和波音公司B-787飞机复合材料之战的实际案例,介绍了航空航天应用复合材料,特别是碳纤维增强树脂基复合材料(CFRP)的发展现状、特点以及航空航天复合材料结构一体化综合等新技术,并对未来发展前景进行讨论
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accelerations account for non-central forces(drag, thrust, etc. X-axis in zenith, y-axis in frames velocity, and z-axis in transverse directions 8 Free orbit solution where 'A and 'B' are lengths and'a andB are phase angles
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Definitions What is Systems Engineering? the ensemble of coordinated analyses, simulations, and processes which lead to a technical product which best meets the needs of an identified customer What does it mean to manage systems engineering?
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Lecture 1a: Mission Requirements for Space Propulsion Missions Requiring High Thrust (chemical thrusters) Planetary takeoff (launch rockets) Planetary landing (Viking, Lunar Lander…) Apogee kick (GTO-GEO transfer motors) Perigee kick (GTO to escape) Rapid maneuvering (proximity ops., spacecraft attitude control)
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Collaborate Document Management Plan and design up front Create a short model section for information content and order Create a layout template Create a document control system for revisions Accept individual responsibility and deadlines
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Uniqueness of Satellite Manufacture Small production runs Extreme operational environments Limited repair/replace options after launch High product cost and importance High cost test environment Highly coupled designs minimize weight and maximize performance but yield high complexity
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Can you read this text??? Can you read this text? What a great way to put off an audience!!! Such attractive colours, too!
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Objective To introduce and discuss the fundamentals of earned value project management Work Breakdown Structures Program plans and schedules Earned value management systems Cost and schedule variances Estimates at completion
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航空材料与航空技术的关系极为密切,航空航天材料在航空产品发展中具有极其重要的 地位和作用:航空材料既是研制生产航空产品的物质保障,又是推动航空产品更新换代的技 术基础
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