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深空探测与我国深空探测展望

叶培建,彭兢

《中国工程科学》 2006年 第8卷 第10期   页码 13-18

摘要:

对人类已经开展的深空探测活动进行了回顾,简介了近期已开展和未来5年内将要开展的深空探测任务,以及未来主要航天国家的深空探测规划,提出了未来我国开展深空探测应掌握和突破的关键技术;介绍了我国深空探测的现状,对绕月探测工程和嫦娥1号进行了简介,重点介绍了探月工程二、三期的思路和二期工程的立项论证情况和初步总体方案,同时简要叙述了正在论证中的中俄联合火星探测、夸父计划、硬X射线天文望远镜和空间太阳望远镜等项目的概况;给出了对我国未来深空探测发展方向的思考和展望。

关键词: 深空探测     行星际探测     多目标多任务     中国探月工程    

基于BH-1模拟月壤的低碱高强地聚合物的制备与表征 Article

周思齐, 鲁乘鸿, 朱兴一, 李峰

《工程(英文)》 2021年 第7卷 第11期   页码 1631-1645 doi: 10.1016/j.eng.2020.10.016

摘要:

建设月球基地以支持月面科研任务和资源利用一直是各国研究人员的目标。使用月球材料进行原位资源利用制备建筑材料对于节省昂贵的太空运费具有重要意义。本文研制了一种新型模拟月壤,名为北航(BH)-1。通过X射线荧光光谱(XRF)、X射线衍射(XRD)、扫描电子显微镜(SEM)和反射光谱结果证实,BH-1 的化学矿物组成和微观结构与真实月壤非常相似。本研究还在模拟月球环境条件下合成了一种基于BH-1 模拟月壤的地聚合物,并研究了补充铝源对地聚合物强度的影响。测定了碱激发BH-1 浆体的流变性能。采用XRF、XRD、傅里叶红外光谱、SEM能谱分析和27Al 魔角旋转核磁共振分析对地聚合物进行表征。试验结果表明,BH-1 浆体的流变曲线符合Herschel-Bulkley 模型,表现为剪切变稀流体。添加铝源的BH-1 地聚合物与对照组相比,28 天抗压强度可提高100.8%。同时,产生单位强度所需的添加剂的质量降低,显著减少了从地球运输至月球用于地聚合物制备的材料质量,有望节约太空运输成本。微观实验分析表明,通过添加额外的铝源来改善BH-1 地聚合物的力学性能机理为:促进了硅氧基中铝原子基团对硅原子基团的取代作用,生成更致密的无定形凝胶结构。

关键词: 深空探测     月球基地     地聚合物     模拟月壤     流变学    

中国的探月工程——中国航天第三个里程碑

栾恩杰

《中国工程科学》 2006年 第8卷 第10期   页码 31-36

摘要:

人类对月球的探测显示了人类的智慧和能力,也带动了人类社会及科学技术的进步和发展。中国以“绕”、“落”、“回”为标志的探月工程是中国航天的第三个里程碑性工程,既是国力强大的体现,也是中国航天能力的表征。

关键词: 中国航天     月球勘探     嫦娥1号    

Management innovation of Chang’e-5 project

《工程管理前沿(英文)》 2021年 第8卷 第4期   页码 620-626 doi: 10.1007/s42524-021-0165-1

关键词: lunar exploration     sample return     systems engineering     project management    

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolithsimulant for automated construction of lunar infrastructure

《结构与土木工程前沿(英文)》 doi: 10.1007/s11709-023-0003-0

摘要: Using an in situ lunar regolith as a construction material in combination with 3D printing not only reduces the weight of materials carried from the Earth but also improves the automation of lunar infrastructure construction. This study aims to improve the printability of a geopolymer based on a BH-1 lunar regolith simulant, including the extrudability, open time, and buildability, by controlling the temperature and adding admixtures. Rheological parameters were used to represent printability with different water-to-binder ratios, printing temperatures, and contents of additives. The mechanical properties of the hardening geopolymer with different filling paths and loading directions were tested. The results show that heating the printed filaments with a water-to-binder ratio of 0.32 at 80 °C can adjust the printability without adding any additive, which can reduce the construction cost of lunar infrastructure. The printability of the BH-1 geopolymer can also be improved by adding 0.3% Attagel-50 and 0.5% polypropylene fiber by mass at a temperature of 20 °C to cope with the changeable environmental conditions on the Moon. After curing under a simulated lunar environment, the 72-h flexural and compressive strengths of the geopolymer specimens reach 4.1 and 48.1 MPa, respectively, which are promising considering that the acceleration of gravity on the Moon is 1/6 of that on the Earth.

关键词: geopolymer     lunar regolith simulant     3D printing     rheology     printability    

Landing control method of a lightweight four-legged landing and walking robot

《机械工程前沿(英文)》 2022年 第17卷 第4期 doi: 10.1007/s11465-022-0707-1

摘要: The prober with an immovable lander and a movable rover is commonly used to explore the Moon’s surface. The rover can complete the detection on relatively flat terrain of the lunar surface well, but its detection efficiency on deep craters and mountains is relatively low due to the difficulties of reaching such places. A lightweight four-legged landing and walking robot called “FLLWR” is designed in this study. It can take off and land repeatedly between any two sites wherever on deep craters, mountains or other challenging landforms that are difficult to reach by direct ground movement. The robot integrates the functions of a lander and a rover, including folding, deploying, repetitive landing, and walking. A landing control method via compliance control is proposed to solve the critical problem of impact energy dissipation to realize buffer landing. Repetitive landing experiments on a five-degree-of-freedom lunar gravity testing platform are performed. Under the landing conditions with a vertical velocity of 2.1 m/s and a loading weight of 140 kg, the torque safety margin is 10.3% and 16.7%, and the height safety margin is 36.4% and 50.1% for the cases with or without an additional horizontal disturbance velocity of 0.4 m/s, respectively. The study provides a novel insight into the next-generation lunar exploration equipment.

关键词: landing and walking robot     lunar exploration     buffer landing     compliance control    

嫦娥探月工程

2022年12月14日

关键词: 2022全球十大工程成就    

天基发射与载人登月初探

张泽明,姜毅,傅德彬

《中国工程科学》 2006年 第8卷 第10期   页码 37-41

摘要:

登月是载人航天向深空探测的延续,它与载人飞船工程相比,可靠性要求更高,工程规模更大,资金投入更多。结合国外登月历程和我国航天事业取得的重大成就,探讨了利用现有运载技术,分批次将登月飞船和航天员送入近地轨道,并在天基发射平台上进行组装发射,实现载人登月的设想;并就天基发射平台和天基发射方式进行了初步探讨。

关键词: 登月     天基发射     发射平台     登月轨道     技术途径    

月球表面环境综合模拟系统的设想

石晓波,李运泽,黄勇,王浚

《中国工程科学》 2006年 第8卷 第11期   页码 48-52

摘要:

相比于环绕地球飞行的卫星或载人飞船,探月航天器面临的空间环境更为复杂和严酷。月球表面的环境对登月飞船、月球车的环境适应性及可靠性提出了极为严格的要求。文章就月球表面综合环境模拟系统进行了初步的系统设计。该系统可实现月表尘埃、地形地貌、承载能力及摩擦效应、真空、温度交替变化等环境因素的综合模拟,可为登月飞船及月球车的设计、优化以及最终的系统验证提供试验平台。

关键词: 月球表面环境     月球尘埃     环境模拟    

Development of lunar regolith-based composite for - 3D printing via high-pressure extrusion system

《机械工程前沿(英文)》 2023年 第18卷 第2期 doi: 10.1007/s11465-022-0745-8

摘要: To fully utilize the in-situ resources on the moon to facilitate the establishment of a lunar habitat is significant to realize the long-term residence of mankind on the moon and the deep space exploration in the future. Thus, intensive research works have been conducted to develop types of 3D printing approach to adapt to the extreme environment and utilize the lunar regolith for in-situ construction. However, the in-situ 3D printing using raw lunar regolith consumes extremely high energy and time. In this work, we proposed a cost-effective melting extrusion system for lunar regolith-based composite printing, and engineering thermoplastic powders are employed as a bonding agent for lunar regolith composite. The high-performance nylon and lunar regolith are uniformly pre-mixed in powder form with different weight fractions. The high-pressure extrusion system is helpful to enhance the interface affinity of polymer binders with lunar regolith as well as maximize the loading ratio of in-situ resources of lunar regolith. Mechanical properties such as tensile strength, elastic modulus, and Poisson’s ratio of the printed specimens were evaluated systematically. Especially, the impact performance was emphasized to improve the resistance of the meteorite impact on the moon. The maximum tensile strength and impact toughness reach 36.2 MPa and 5.15 kJ/m2, respectively. High-pressure melt extrusion for lunar regolith composite can increase the effective loading fraction up to 80 wt.% and relatively easily adapt to extreme conditions for in-situ manufacturing.

关键词: in-situ resource utilization     melt extrusion molding     lunar regolith-based composites     mechanical properties     additive manufacturing    

利用嫦娥一号卫星微波探测仪数据反演月球表面物理温度

李芸,姜景山,王振占,张德海,张晓辉

《中国工程科学》 2013年 第15卷 第7期   页码 106-112

摘要:

本文利用理论研究的结果,建立了月表物理温度反演模型,结合嫦娥一号微波探测仪(CELMS)数据对全月球物理温度进行了反演。同时分析了物理温度变化对微波辐射的影响及其与表面地形等的关系,为其他月表信息反演提供了依据和物理温度的测量信息。

关键词: 嫦娥一号微波探测仪     月球表面物理温度     反演    

Development of lunar regolith composite and structure via laser-assisted sintering

《机械工程前沿(英文)》 doi: 10.1007/s11465-021-0662-2

摘要: Aiming at the exploration and resource utilization activities on the Moon, in situ resource utilization and in situ manufacturing are proposed to minimize the dependence on the ground transportation supplies. In this paper, a laser-assisted additive manufacturing process is developed to fabricate lunar regolith composites with PA12/SiO2 mixing powders. The process parameters and composite material compositions are optimized in an appropriate range through orthogonal experiments to establish the relationship of process–structure–property for lunar regolith composites. The optimal combination of composite material compositions and process parameters are mixing ratio of 50/50 in volume, laser power of 30 W, scanning speed of 3500 mm/s, and scanning hatch space of 0.2 mm. The maximum tensile strength of lunar regolith composites reaches 9.248 MPa, and the maximum depth of surface variation is 120.79 μm, which indicates poor powder fusion and sintering quality. Thereafter, the mechanical properties of laser-sintered lunar regolith composites are implemented to the topology optimization design of complex structures. The effectiveness and the feasibility of this laser-assisted process are potentially developed for future lightweight design and manufacturing of the solar panel installed on the lunar rover.

关键词: in situ manufacturing     laser-assisted powder fusion process     mechanical properties     topological structure design    

嫦娥1号卫星微波探月技术机理和应用研究

姜景山,王振占,李芸

《中国工程科学》 2008年 第10卷 第6期   页码 16-22

摘要:

微波探测仪是嫦娥1号卫星有效载荷之一,主要用于测量不同深度的月壤微波辐射亮温,进而反演月壤厚度的信息并对月球的3He资源量和分布进行评估。这是国际上第一次利用被动微波遥感探测器在月球轨道直接测量月表亮温信息。因此,对月壤辐射传输模型的研究是及其必要的。文章分析了月球微波探测的机理和存在的问题,并给出了初步解决途径。

关键词: 嫦娥1号微波探测仪     遥感     月壤     微波辐射传输    

Strategies of Efficient Exploration and Development of Deepwater Oil and Gas Overseas

Wen-ming Han,Shui Yu,Hong-yan Zhao,Yang Zhao,Liang Chen

《工程管理前沿(英文)》 2016年 第3卷 第4期   页码 314-320 doi: 10.15302/J-FEM-2016050

摘要: Deepwater offshore area, with rich oil and gas resources, has currently become the hot area for oil and gas exploration and the main battlefield where global oil majors compete with each other. This article summarizes the current situation of deepwater oil and gas exploration and development overseas from the perspectives of exploration history, exploration achievements and technical progress, and analyzes the difficulties and challenges faced by the industry, such as low level understanding of hydrocarbon accumulation conditions, global security and environmental challenges. And then, several feasible implementation strategies have been proposed on how to actively deal with the challenges, promote Chinese oil companies’ overseas exploration, and realize efficient exploration and development of deepwater oil and gas fields overseas. These strategies consist of three aspects: profit-oriented operation principle, exploration ideas supported by theory and technology, and exploration strategy that puts safety first. In the era of low oil prices, Chinese oil companies must build up confidence, seize the opportunity and face the challenge while taking efforts to innovate technologies and theories, updates strategic ideas, and cultivate deepwater talents so as to be in an active position in global deepwater exploration and development industry in the future.

关键词: deepwater     exploration and development     operation principle     exploration idea     exploration strategy    

标题 作者 时间 类型 操作

深空探测与我国深空探测展望

叶培建,彭兢

期刊论文

基于BH-1模拟月壤的低碱高强地聚合物的制备与表征

周思齐, 鲁乘鸿, 朱兴一, 李峰

期刊论文

中国的探月工程——中国航天第三个里程碑

栾恩杰

期刊论文

Management innovation of Chang’e-5 project

期刊论文

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolithsimulant for automated construction of lunar infrastructure

期刊论文

Landing control method of a lightweight four-legged landing and walking robot

期刊论文

嫦娥探月工程

2022年12月14日

会议视频

天基发射与载人登月初探

张泽明,姜毅,傅德彬

期刊论文

嫦娥探月工程(英文)

2022年12月20日

会议视频

月球表面环境综合模拟系统的设想

石晓波,李运泽,黄勇,王浚

期刊论文

Development of lunar regolith-based composite for - 3D printing via high-pressure extrusion system

期刊论文

利用嫦娥一号卫星微波探测仪数据反演月球表面物理温度

李芸,姜景山,王振占,张德海,张晓辉

期刊论文

Development of lunar regolith composite and structure via laser-assisted sintering

期刊论文

嫦娥1号卫星微波探月技术机理和应用研究

姜景山,王振占,李芸

期刊论文

Strategies of Efficient Exploration and Development of Deepwater Oil and Gas Overseas

Wen-ming Han,Shui Yu,Hong-yan Zhao,Yang Zhao,Liang Chen

期刊论文