| 核热推进反应堆燃料元件发展概述 |
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| 作者姓名： | 房玉良 刘林 孙海亮 王成龙 章静 苏光辉 武俊梅 田文喜 |
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| 作者单位： | 西安交通大学 核科学与技术学院,西安交通大学 航天航空学院,北京宇航系统工程研究所,西安交通大学 核科学与技术学院,西安交通大学 核科学与技术学院,西安交通大学 核科学与技术学院,西安交通大学 航天航空学院,西安交通大学 核科学与技术学院 |
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| 基金项目： | 国家自然科学基金资助联合基金项目（U1967203） |
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| 摘 要： | 深空探测作为我国航天领域未来的重要任务之一,需要性能更高的推进系统提供动力。核热推进系统具有高比冲、大推力、长运行寿命、可重复启动等优点,可为未来深空探测任务提供可靠的动力支撑。经过了60多年的发展,核热推进固态堆芯燃料元件被研制出了多种类型,如六棱柱石墨基燃料元件、扭曲条带燃料元件、六棱柱金属陶瓷燃料元件、球形包覆颗粒燃料元件、MITEE型燃料元件、SLHC型燃料元件、Grooved Ring型燃料元件等。总结归纳了核热推进固态堆芯燃料元件的发展状况,提出了发展核热推进固态堆芯燃料元件的关键技术,可为我国核热推进系统燃料元件的研制提供借鉴。
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| 关 键 词： | 核热推进 核热火箭 核材料 燃料元件 |
Development of Fuel Elements in Nuclear Thermal Propulsion System |
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| Authors: | FANG Yuliang LIU Lin SUN Hailiang WANG Chenglong ZHANG Jing SU Guanghui WU Junmei and TIAN Wenxi |
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| Institution: | School of Nuclear Science and Technology, Xi''an Jiaotong University,School of Aerospace Engineering, Xi''an Jiaotong University,Beijing Institute of Astronautical Systems Engineering,School of Nuclear Science and Technology, Xi''an Jiaotong University,School of Nuclear Science and Technology, Xi''an Jiaotong University,School of Nuclear Science and Technology, Xi''an Jiaotong University,School of Aerospace Engineering, Xi''an Jiaotong University and School of Nuclear Science and Technology, Xi''an Jiaotong University |
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| Abstract: | Deep space exploration, as one of the important tasks of China''s aerospace industry in the future, requires higher performance propulsion systems as engine power. Nuclear thermal propulsion system has the advantages of high specific impulse, large thrust, long operating life and repeatable start-up, which can provide reliable power support for deep space exploration missions. Various types of solid core nuclear thermal propulsion fuel elements have been developed over the past 60 years, such as hexagonal prism graphite-based fuel elements, twisted-ribbon fuel elements, hexagonal prism Ceramic-metallic (CERMET) fuel elements, spherical-coated-particles fuel elements, MITEE (Miniature Reactor Engine)fuel elements, SLHC (Square Lattice Honeycomb) fuel elements, Grooved Ring fuel elements, and so on. The development of solid core nuclear thermal propulsion fuel elements was summarized in this paper, and the key technologies for developing solid core nuclear thermal propulsion fuel elements were presented. The results can provide some references for the design and manufacturing of fuel elements in nuclear thermal propulsion systems of our country. |
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| Keywords: | Nuclear thermal propulsion Nuclear thermal rocket Nuclear materials Fuel elements |
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