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YF-73 - 版本历史
2026-07-18T07:19:52Z
在这个wiki上该页的修订历史
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2025-11-10T02:08:53Z
<p>使用<a href="/index.php?title=WP:HOTCAT&action=edit&redlink=1" class="new" title="WP:HOTCAT（页面不存在）">HotCat</a>已添加<a href="/wiki/Category:%E4%BD%BF%E7%94%A8%E6%B6%B2%E6%B0%A2%E6%8E%A8%E8%BF%9B%E5%89%82%E7%9A%84%E7%81%AB%E7%AE%AD%E5%8F%91%E5%8A%A8%E6%9C%BA" title="Category:使用液氢推进剂的火箭发动机">Category:使用液氢推进剂的火箭发动机</a></p>
<p><b>新页面</b></p><div>{{Infobox rocket engine<br />
|name = YF-73<br />
|image = YF-73 3.jpg<br />
|image_size =<br />
|caption =<br />
|country_of_origin= 中国<br />
|date = <br />
|first_date =<br />
|last_date =<br />
|designer =<br />
|manufacturer = [[中国运载火箭技术研究院]] (CALT)<br />
|purpose =<br />
|associated =<br />
|predecessor =<br />
|successor = [[YF-75]]<br />
|status = 退役<br />
<br />
|type =液体<br />
|oxidiser = [[液氧]]<br />
|fuel = [[液氢]]<br />
|mixture_ratio = 5.00<br />
|cycle = [[燃气发生器循环]]<br />
|pumps =<br />
<br />
|description =<br />
|combustion_chamber= 4<br />
|nozzle_ratio = 40:1<br />
<br />
|thrust = <br />
|thrust_at_altitude=<br />
|thrust(Vac) = {{convert|44.15|kN}}<br />
|thrust(SL) = {{convert|11.00|kN}}<br />
|thrust_to_weight= 18.7<br />
|chamber_pressure= {{convert|25.9|bar}}<br />
|specific_impulse= <br />
|specific_impulse_vacuum={{convert|420|isp}}<br />
|specific_impulse_sea_level= {{convert|425|isp}}<br />
|total_impulse =<br />
|burn_time = {{convert|800|s}}<br />
|capacity =<br />
<br />
|dimensions =<br />
|length = {{convert|1.44|m}}<br />
|diameter = {{convert|2.2|m}}<br />
|dry_weight = {{convert|236|kg}}<br />
<br />
|used_in = [[長征三號火箭]]第三级<br />
<br />
|references = <ref>{{cite web | url=http://www.astronautix.com/engines/yf73.htm | title=YF-23 | publisher=Encyclopedia Astronautica | accessdate=6 November 2013 | deadurl=yes | archiveurl=https://web.archive.org/web/20140108075526/http://www.astronautix.com/engines/yf73.htm | archivedate=2014年1月8日 }}</ref><br />
|notes =<br />
}}<br />
<br />
'''YF-73'''是[[中国]]第一代上面级液氢液氧火箭发动机，其下一代为[[YF-75]]。<br />
<br />
源自1970年开始研制的YF-70火箭发动机<ref>{{cite news |title=航天“中国芯”升级 |url=https://m.xinminweekly.com.cn/content/7351.html |work=新民周刊 |date=2018-11-30}}</ref>。1976年，开始正式研制YF-73发动机，采用[[燃气发生器循环]]，由1台涡轮泵给4个燃烧室供应。发动机真空推力4.5t，真空[[比冲]]420s，具有两次启动能力。<br />
<br />
1984年4月，装备YF-73第三级的[[长征三号运载火箭]]成功地发射了[[东方红二号|东方红二号地球同步轨道通信卫星]]。<br />
<br />
== 注释 ==<br />
{{reflist}}<br />
<br />
== 参考文献 ==<br />
* [https://web.archive.org/web/20140108075526/http://www.astronautix.com/engines/yf73.htm Encyclopedia Astronautica]<br />
* [https://web.archive.org/web/20091027100653/http://geocities.com/CapeCanaveral/Launchpad/1921/engine.htm Go Taikonauts - An unofficial Chinese Space Website]<br />
<br />
== 参见==<br />
[[YF系列火箭发动机]]<br />
{{中国火箭发动机}}{{Rocket Engines}}<br />
<br />
[[Category:中国火箭发动机]]<br />
[[Category:使用液氢推进剂的火箭发动机]]</div>
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