• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>4th International spacecraft propulsion conference >DEVELOPMENT OF CERAMIC THRUSTER FOR SPACECRAFT PROPULSION SYSTEM
【24h】

DEVELOPMENT OF CERAMIC THRUSTER FOR SPACECRAFT PROPULSION SYSTEM

机译：航天推进系统用陶瓷推进器的研制

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

To enhance the space mission capabilities, it is required to make the propulsion system of spacecraft more reliable with higher performance. One of the most important parameters which indicates the performance of the propulsion system is specific impulse(Isp) of thruster. Most of current thrusters are made of metallic materials, i.e. superalloys, and their specific impulses are restricted to low values because of temperature limitation of the chamber materials. Moreover, metallic chamber requires to be coated to resist oxidization, which may invade the reliability of the thrusters, in some cases. rnTo overcome this situation, studying the possibility of utilizing ceramics for the thrusters was started in 2000. 20N and 500N-class bipropellant thrusters whose chambers were made of Silicon Nitride(Si3N4) were developed and have been conducted hot firing tests successfully.
机译：为了增强太空任务能力，需要使航天器的推进系统更可靠，性能更高。指示推进系统性能的最重要参数之一是推进器的比冲（Isp）。当前的推进器大多数是由金属材料，即超合金制成的，并且由于腔室材料的温度限制，它们的比冲被限制在低值。此外，在某些情况下，需要对金属腔室进行涂覆以抵抗氧化，这可能会侵犯推进器的可靠性。为了克服这种情况，2000年开始研究将陶瓷用于推进器的可能性。研制了其腔室由氮化硅（Si3N4）制成的20N和500N级双推进剂推进器，并已成功进行了热烧结试验。

著录项

  • 来源
  • 会议地点 Sardinia(IT)
  • 作者

  • 作者单位

    Mitsubishi Heavy Industries LTD.(MHI);

    Mitsubishi Heavy Industries LTD.(MHI);

    Mitsubishi Heavy Industries LTD.(MHI)1-1, Akunoura-machi, NAGASAKI 850-8610, JAPAN, Email: hiroyuki_mishima@mhi.co.jp;

    Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science(JAXA-ISAS);

    Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science(JAXA-ISAS);

    Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science(JAXA-ISAS)3-1-1, Yoshinodai, Sagamihara, Kanagawa 229-8510, JAPAN, Email: sawai.shujiro@jaxa.jp;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 推进系统（发动机、推进器）;
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号