碘离子推力器储罐性能影响因素数值研究

陈明石; 王娴

doi:10.19527/j.cnki.2096-1642.1097

碘离子推力器储罐性能影响因素数值研究

doi: 10.19527/j.cnki.2096-1642.1097

陈明石,
王娴^,

西安交通大学航天航空学院, 复杂服役环境重大装备结构强度与寿命全国重点实验室, 陕西省先进飞行器服役环境与控制重点实验室, 陕西西安 710049

基金项目:

空天飞行空气动力科学与技术全国重点实验室基金项目(SKLA-2022-KFKT-002)

详细信息

作者简介:
陈明石(1995-)男,硕士,主要研究方向为碘离子推力器中工质在储罐内传热传质数值研究。E-mail:chenmingshi@stu.xjtu.edu.cn

通讯作者:
王娴(1977-)女,博士,教授,主要研究方向为多相流、传热传质、计算流体力学、高性能计算。E-mail:wangxian@mail.xjtu.edu.cn

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出版历程
- 收稿日期: 2023-12-07
- 修回日期: 2024-01-02
- 网络出版日期: 2024-03-16

Numerical Study on Factors Affecting the Storage Tank Performance of an Iodine-ion Thruster

CHEN Mingshi,
WANG Xian^,

Shaanxi Key Laboratory of Environment and Control for Flight Vehicle, State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace, Xi'an Jiaotong University, Xi'an 710049, China

摘要

摘要: 碘离子推力器主要应用于小型卫星的姿态控制和位置保持,其依靠碘工质的升华和电离产生推力。碘工质储供系统的加热方式和结构参数对其工作性能有很大影响。采用动网格方法对离子推力器储罐中碘工质升华相变过程进行数值模拟,讨论储罐加热方式和径高比对其性能的影响。结果表明:从质量流量、流量稳定性和预热时间3个参数综合考虑,四周伴热加热、辐射加热和接触加热3种方式中,接触加热性能最好。在接触加热方式下,储罐径高比对流量变化几乎无影响,流量稳定性很好。对于以大推力为设计目的的碘离子推力器,储罐径高比越小越好,径高比为0.2时的质量流量相比于径高比为1.4时增大了9.0%。对于以高响应速度为设计目的的碘离子推力器,储罐径高比越大越好,径高比为0.2时的预热时长相比于径高比为1.4时增大了80%。
- 碘离子推力器 /
- 储罐 /
- 升华 /
- 加热方式 /
- 径高比
Abstract: Iodine-ion thrusters are mainly used for attitude control and position maintenance of small satellites. They rely on the sublimation and ionization of iodine to generate thrust. The heating methods and structural parameters of the iodine feeding systems have a significant impact on their own working performance. The dynamic grid method was applied to simulate the sublimation phase-transition process of the iodine in the storage tank to study the effects of heating methods and ratios of diameter to height on the performance of storage tank of an iodine-ion thruster. The results indicate that the contact heating method shows the best performance considering the mass flow rate, flow stability, and preheating time among the three heating methods, such as external heating, radiant heating, and contact heating. Besides, the ratio of diameter to height of a storage tank has almost no effect on the change of flow rate for the contact heating method. The flow stability is good. A lower ratio of diameter to height is better for the iodine-ion thruster designed for high thrust. The mass flow rate at the ratio of 0.2 increased by 9.0% compared to the ratio of 1.4. While a larger ratio of diameter to height is better for the iodine-ion thruster designed for high speed of response. The preheating time at the ratio of 0.2 increased by 80% compared to the ratio of 1.4.
- iodine-ion thruster /
- storage tank /
- sublimation /
- heating methods /
- ratio of diameter to height

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参考文献(30)

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碘离子推力器储罐性能影响因素数值研究

doi: 10.19527/j.cnki.2096-1642.1097

作者简介:
陈明石(1995-)男,硕士,主要研究方向为碘离子推力器中工质在储罐内传热传质数值研究。E-mail:chenmingshi@stu.xjtu.edu.cn

通讯作者:
王娴(1977-)女,博士,教授,主要研究方向为多相流、传热传质、计算流体力学、高性能计算。E-mail:wangxian@mail.xjtu.edu.cn

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Numerical Study on Factors Affecting the Storage Tank Performance of an Iodine-ion Thruster

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碘离子推力器储罐性能影响因素数值研究

doi: 10.19527/j.cnki.2096-1642.1097

作者简介: 陈明石(1995-)男,硕士,主要研究方向为碘离子推力器中工质在储罐内传热传质数值研究。E-mail:chenmingshi@stu.xjtu.edu.cn

通讯作者: 王娴(1977-)女,博士,教授,主要研究方向为多相流、传热传质、计算流体力学、高性能计算。E-mail:wangxian@mail.xjtu.edu.cn

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Numerical Study on Factors Affecting the Storage Tank Performance of an Iodine-ion Thruster

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作者简介:
陈明石(1995-)男,硕士,主要研究方向为碘离子推力器中工质在储罐内传热传质数值研究。E-mail:chenmingshi@stu.xjtu.edu.cn

通讯作者:
王娴(1977-)女,博士,教授,主要研究方向为多相流、传热传质、计算流体力学、高性能计算。E-mail:wangxian@mail.xjtu.edu.cn