中文摘要 本研究提出深埋山体、大仰角的电磁弹射与火箭推力协同通用型发射井系统,旨在为我国20万颗级超大规模卫星星座工程提供高密度、低成本、高可靠的航班化航天发射能力。方案采用冷段电磁无接触加速、热段火箭推力接力的复合推进模式,通过冷热段严格分区、多级冗余热安全隔离及平稳接力时序控制,从原理上降低重力损耗、提升运载效率。系统兼容30~100吨级运载火箭,基准50吨级火箭近地轨道有效载荷由传统约0.7吨提升至约5.0吨,运载能力提升近7倍;完成5吨轨道载荷运送任务,可将传统约50亿元的总成本压缩至7~8亿元,单次任务节省35~40亿元。本方案为原理、架构、安全、时序、布局、经济、战略全链条闭合的原创系统工程方案,整体体系与核心实现路径在公开领域未见同类完整方案,具备显著独创性与工程先行性。系统优先采用沿海山体布局适配海上回收,同时支持内陆备份与返场回收模式,构建形成全流程低成本、可重复使用的航天发射基础设施体系。 英文摘要 This study proposes a general-purpose launch silo system with mountain-embedded layout, high elevation angle, and electromagnetic ejection combined with rocket on-board thrust synergy, aiming to provide high-density, low-cost and high-reliability scheduled space launch capacity for China's national mega-satellite constellation project of 200,000 satellites scale. The scheme adopts a composite propulsion mode of contactless electromagnetic acceleration in the cold section and rocket on-board thrust relay in the hot section. Through strict zoning of cold and hot sections, multi-level redundant thermal safety isolation and smooth relay timing control, the gravitational loss is fundamentally reduced and the payload efficiency is improved. The system is compatible with launch vehicles with a take-off weight of 30~100 tons. For the benchmark 50-ton medium-sized launch vehicle, the low Earth orbit payload is increased from about 0.7 tons in the traditional mode to about 5.0 tons, representing a nearly 7-fold improvement in payload capacity. For the task of delivering 5 tons of payload to the orbit, the total cost is reduced from about 5 billion RMB in the traditional mode to 0.7~0.8 billion RMB in this scheme, saving about 3.5~4 billion RMB per mission. This scheme is an original systematic engineering scheme with closed-loop integration from principles, architecture, safety, timing, layout, economy to strategy. The overall system and core implementation path have not been seen in any similar complete scheme in the public domain, with significant originality and engineering pioneering nature. The system prioritizes coastal mountain layout to adapt to sea-based recovery, and supports inland backup and return-to-launch-site recovery modes, constructing a full-process low-cost and reusable space launch infrastructure system.
Zhenfeng(振峰) Bian (卞) (Fri,) studied this question.