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YF-79 - 版本历史
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imported>Quasiboost：使用HotCat+Category:使用液氢推进剂的火箭发动机; ±Category:火箭发动机→Category:中国火箭发动机
2025-11-10T02:12:38Z
<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>+<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>; ±<a href="/wiki/Category:%E7%81%AB%E7%AE%AD%E5%8F%91%E5%8A%A8%E6%9C%BA" title="Category:火箭发动机">Category:火箭发动机</a>→<a href="/wiki/Category:%E4%B8%AD%E5%9B%BD%E7%81%AB%E7%AE%AD%E5%8F%91%E5%8A%A8%E6%9C%BA" title="Category:中国火箭发动机">Category:中国火箭发动机</a></p>
<p><b>新页面</b></p><div>{{Infobox rocket engine<br />
|name = YF-79<br />
|image =<br />
|image_size =<br />
|caption =<br />
|country_of_origin= {{PRC}}<br />
|date = <br />
|first_date = <br />
|last_date =<br />
|designer = [[北京航天动力研究所]]<br />
|manufacturer = <br />
|purpose = [[上面级]]发动机<br />
|associated = [[长征九号运载火箭]]<br />
|predecessor = [[YF-75D]]<br />
|successor = <br />
|status = 研发中<br />
<br />
|type = liquid<br />
|oxidizer = [[液氧]]<br />
|fuel = [[液氢]]<br />
|mixture_ratio = 6.0<br />
|cycle = [[膨胀循环]]<br />
|pumps =<br />
<br />
|description =<br />
|combustion_chamber= 1<br />
|nozzle_ratio = 160<br />
<br />
|thrust = <br />
|thrust_at_altitude=<br />
|thrust(Vac) = {{convert|250|kN}}<br />
|thrust(SL) =<br />
|thrust_to_weight= <br />
|chamber_pressure= {{convert|7.0|MPa|abbr=on}}<br />
|specific_impulse= <br />
|specific_impulse_vacuum={{convert|455.2|isp}}<br />
|specific_impulse_sea_level=<br />
|total_impulse =<br />
|burn_time =<br />
|capacity =<br />
<br />
|dimensions =<br />
|length =<br />
|diameter =<br />
|dry_weight =<br />
<br />
|used_in = [[长征九号运载火箭]]的第三级<br />
<br />
|references = <ref name=weixin202112221228>{{cite web |url=https://mp.weixin.qq.com/s/JxR_tLvGzOUf7TuOa1jFpA/ |language=zh |title=我国重型运载火箭25吨级膨胀循环氢氧发动机首台推力室挤压试验取得圆满成功 |trans-title=First thrust chamber test firing of China's heavy launch vehicle 25-tonne hydrogen-oxygen expansion cycle engine a complete success |last=Xin |first=Zhang |access-date=2021-12-22 |archive-url=https://web.archive.org/web/20211222071102/https://mp.weixin.qq.com/s/JxR_tLvGzOUf7TuOa1jFpA |archive-date=2021-12-22 }}</ref><ref name=b14643-chinanewengines>{{cite web |url=http://www.b14643.de/Spacerockets/Specials/China_new_engines/index.htm |title=An overlook to China's new generation of Rocket Engines |first=Norbert |last=Brügge |publisher=B14643.de |date=2021-12-22 |access-date=2021-12-22 |archive-url=https://web.archive.org/web/20211222224223/http://www.b14643.de/Spacerockets/Specials/China_new_engines/index.htm|archive-date=2021-12-22}}</ref><ref name=yf79>{{cite web |url= https://m.doc88.com/p-8136979212071.html?r=1 |title=25吨级膨胀循环发动机技术方案研究 |author=崔荣军,何伟锋|publisher= 导弹与航天运载技术2015年06期 |access-date=2021-12-23}}</ref><ref>{{Cite web |url=http://hjtjnew.paperopen.com/upload/html/m/202202003.html |title=25tf膨胀循环氢氧发动机研制进展 |author=褚宝鑫,赵海龙,陈旭扬,龚杰峰 |date=2022-01-05 |publisher=《火箭推进》2022年02期 |language=zh-hans |accessdate=2022-06-05 }}</ref><ref name=weiboM4m1EzejX>{{Cite web |title=25吨级闭式膨胀循环氢氧发动机整机试车圆满成功 |url=https://weibo.com/5386897742/M4m1EzejX |language=zh |access-date=2022-09-05 |archive-date=2022-09-05 |archive-url=https://web.archive.org/web/20220905152545/https://weibo.com/5386897742/M4m1EzejX |dead-url=no }}</ref><br />
|notes =<br />
}}<br />
<br />
'''YF-79'''是[[中国]]继[[YF-73]]、[[YF-75]]和[[YF-75D]]之后的第四代上面级液氢液氧火箭发动机，采用[[膨胀循环]]，将用於[[长征九号运载火箭]]的第三级。借助火炬电点火器，它可以进行多次启动。<ref name=weixin202112221228 /><br />
<br />
==研发==<br />
2021年12月10日和12月17日，发动机首台推力室挤压试验，试验取得圆满成功<ref>{{Cite web |url= https://mp.weixin.qq.com/s/JxR_tLvGzOUf7TuOa1jFpA |title= 我国重型运载火箭25吨级膨胀循环氢氧发动机首台推力室挤压试验取得圆满成功 |author= 赵海龙 |date= 2021-12-22 |publisher= 北京航天动力研究所 |language= zh-hans |accessdate= 2021-12-22 |archive-date= 2021-12-29 |archive-url= https://web.archive.org/web/20211229010727/https://mp.weixin.qq.com/s/JxR_tLvGzOUf7TuOa1jFpA |dead-url= no }}</ref>。<br />
<br />
2022年9月5日，首次整机热试车圆满成功。<ref name=weiboM4m1EzejX /><br />
<br />
2022年11月16日，发动机再次完成全系统试验，本次试验首次搭载推力闭环调节，主级工作过程中实现多个工况深度变推，试验按照预定程序起动，发动机工作正常，试验数据获取完整，试验取得圆满成功。<ref>{{Cite web|url=https://china.huanqiu.com/article/4AUnQZabTCZ|title=支撑重型火箭研制！25吨级氢氧发动机成功完成全系统试车|date=2022-11-16|publisher=环球网|language=zh-hans|accessdate=2022-11-17|archive-date=2022-11-17|archive-url=https://web.archive.org/web/20221117082054/https://china.huanqiu.com/article/4AUnQZabTCZ|dead-url=no}}</ref>。<br />
<br />
==參考文獻==<br />
{{reflist}}<br />
{{中国火箭发动机}}<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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