{"id":407,"date":"2017-12-02T17:34:22","date_gmt":"2017-12-02T09:34:22","guid":{"rendered":"http:\/\/nullthought.net\/?p=407"},"modified":"2024-11-26T15:21:50","modified_gmt":"2024-11-26T07:21:50","slug":"spacex%e7%81%ab%e7%ae%ad%e9%99%8d%e8%90%bd%e6%97%b6%e7%9a%84%e6%8e%a8%e5%8a%9b%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=407","title":{"rendered":"SpaceX\u706b\u7bad\u8fd4\u56de\u964d\u843d\u65f6\u7684\u63a8\u529b\u63a7\u5236"},"content":{"rendered":"<p>SpaceX\u730e\u9e709\u706b\u7bad\uff08\u4e00\u7ea7\u706b\u7bad\uff09\u8fd4\u56de\u964d\u843d\u65f6\u7684\u63a8\u529b\u63a7\u5236\u4e3b\u8981\u6709\u5982\u4e0b\u4e09\u79cd\u5f62\u5f0f\uff1a<\/p>\n<h4>\u4e00.\u70b9\u706b\u53d1\u52a8\u673a\u6570\u91cf<\/h4>\n<p>\u730e\u9e709\u4e00\u7ea7\u706b\u7bad\u76ee\u524d\u5171\u67099\u4e2a<a href=\"https:\/\/en.wikipedia.org\/wiki\/Merlin_(rocket_engine_family)#Merlin_1D\" target=\"_blank\" rel=\"noopener noreferrer\">Merlin 1D\u53d1\u52a8\u673a<\/a>\u3002\u6beb\u65e0\u7591\u95ee\uff0c\u53d1\u5c04\u65f6\u8fd99\u4e2a\u53d1\u52a8\u673a\u5168\u90e8\u70b9\u706b\u3002\u4e00\u7ea7\u706b\u7bad\u8fd4\u56de\u65f6\uff0c\u7b2c\u4e00\u6b21\u91cd\u65b0\u70b9\u706b(Boostback Burn)\u5f003\u4e2a\u53d1\u52a8\u673a\uff0c\u706b\u7bad\u59ff\u6001\u8c03\u6574\u5230\u8fd4\u56de\u8f68\u9053\u3002\u5728\u8fdb\u5165\u5927\u6c14\u5c42\u4e4b\u524d\u6709\u4e00\u6b21\u70b9\u706b(Entry Burn)\uff0c\u6b64\u6b21\u4e5f\u662f3\u4e2a\u53d1\u52a8\u673a\u70b9\u706b\u5de5\u4f5c\uff0c\u76ee\u7684\u662f\u628a\u4e00\u7ea7\u706b\u7bad\u7684\u901f\u5ea6\u964d\u4e0b\u6765\u3002\u7740\u9646\u524d\u7ea630\u79d2\u6700\u540e\u4e00\u6b21\u70b9\u706b(Landing Burn)\uff0c\u5f001\u4e2a\u53d1\u52a8\u673a\uff0c\u628a\u4e00\u7ea7\u706b\u7bad\u7684\u5782\u76f4\u901f\u5ea6\u964d\u5230\u4e0d\u8d85\u8fc76\u7c73\/\u79d2\uff0c\u5b9e\u73b0\u8f6f\u7740\u9646\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-408\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2017\/12\/Falcon-9-landing-profile.png\" alt=\"\" width=\"2048\" height=\"1152\"><\/p>\n<p style=\"text-align: center;\">\u56fe \u730e\u9e709\u706b\u7bad\u53d1\u5c04\u53ca\u8fd4\u56de\u964d\u843d\u8fc7\u7a0b\u793a\u610f\uff08\u56fe\u7247\u6765\u81ea<a href=\"https:\/\/zlsadesign.com\" target=\"_blank\" rel=\"noopener noreferrer\">zlsadesign<\/a>\uff09<\/p>\n<h4>\u4e8c.\u53d1\u52a8\u673a\u63a8\u529b\u53ef\u8c03<\/h4>\n<p>\u5355\u53f0Merlin 1D\u53d1\u52a8\u673a\u7684\u63a8\u529b\u53ef\u8c03\u8303\u56f4\u662f100%-70%(170,000lbf-119,000lbf\uff0c\u6d77\u5e73\u9762\u63a8\u529b)\u3002\u4e00\u7ea7\u706b\u7bad\u6700\u540e\u4e00\u6b21\u70b9\u706b(Landing Burn)\u53ea\u5f001\u4e2a\u53d1\u52a8\u673a\uff0c<strong>\u63a8\u6d4b\u6b64\u65f6\u7684\u63a8\u529b\u5e94\u8be5\u4e0d\u5230100%<\/strong>\u3002\u56e0\u4e3a\u5355\u53f0Merlin 1D\u53d1\u52a8\u673a\u7684\u6700\u5927\u63a8\u529b\u8d85\u8fc7\u4e00\u7ea7\u706b\u7bad\u7684\u7a7a\u91cd\uff0c\u5982\u679c\u5f00100%\u5168\u529b\uff0c\u4f1a\u8ba9\u52a0\u901f\u5ea6\u7531\u8d1f\u53d8\u6b63\uff0c\u4e00\u7ea7\u706b\u7bad\u53c8\u8981\u5f80\u4e0a\u7a9c\u4e86\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-409\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2017\/12\/falcon-9-dimensions-characteristics.png\" alt=\"\" width=\"773\" height=\"531\"><\/p>\n<p style=\"text-align: center;\">\u56fe \u730e\u9e709\u706b\u7bad\u7684\u53c2\u6570\uff08\u542b\u63a8\u529b\u6570\u636e\uff0c\u8d44\u6599\u6e90\u81ea<a href=\"http:\/\/www.spacex.com\/sites\/spacex\/files\/falcon_9_users_guide_rev_2.0.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u730e\u9e709\u706b\u7bad\u7528\u6237\u624b\u518c2.0<\/a>\uff09<\/p>\n<p style=\"text-align: left;\">\u706b\u7bad\u53d8\u63a8\u529b\u53d1\u52a8\u673a\u7684\u6280\u672f\u6bd4\u8f83\u590d\u6742\uff0c\u4e0b\u56fe\u662f\u6db2\u4f53\u706b\u7bad\u53d1\u52a8\u673a\u7684\u63a8\u529b\u53ef\u8c03\u6280\u672f\u65b9\u6cd5\uff1a<\/p>\n<p style=\"text-align: left;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-410\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2017\/12\/LRE-Throttleable.png\" alt=\"\" width=\"726\" height=\"352\"><\/p>\n<p style=\"text-align: center;\">\u56fe \u6db2\u4f53\u706b\u7bad\u53d1\u52a8\u673a\u63a8\u529b\u53ef\u8c03\u6280\u672f\uff08\u8d44\u6599\u6e90\u81ea<a href=\"https:\/\/ntrs.nasa.gov\/archive\/nasa\/casi.ntrs.nasa.gov\/20090037061.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">NASA\u7f51\u7ad9\u4e0a\u7684\u8bba\u6587Liquid-Propellant Rocket Engine Throttling: A Comprehensive Review<\/a>\uff09<\/p>\n<p style=\"text-align: left;\">\u730e\u9e709\u706b\u7bad\u7684Merlin 1D\u53d1\u52a8\u673a\u91c7\u7528\u4e86\u4f55\u79cd\u63a8\u529b\u53ef\u8c03\u6280\u672f\uff1f\u76ee\u524d\u516c\u5f00\u7684\u8d44\u6599\u51e0\u4e4e\u6ca1\u6709\u3002<\/p>\n<p style=\"text-align: left;\">\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5ae6\u5a25\u4e09\u53f7\u63a2\u6d4b\u5668\u91c7\u7528\u76847500N\u53d8\u63a8\u529b\u53d1\u52a8\u673a\uff0c\u662f\u4e2d\u56fd\u9996\u53f0\u5927\u8303\u56f4\u53d8\u63a8\u529b\u53d1\u52a8\u673a\uff08\u53c2\u89c1\u8bba\u6587\u300a<a href=\"http:\/\/tech.scichina.com:8082\/sciE\/CN\/abstract\/abstract514832.shtml\" target=\"_blank\" rel=\"noopener noreferrer\">\u5ae6\u5a25\u4e09\u53f7\u63a2\u6d4b\u56687500N\u53d8\u63a8\u529b\u53d1\u52a8\u673a\u7814\u5236<\/a>\u300b\uff0c\u4f5c\u8005\u4e3a\u96f7\u5a1f\u840d\uff0c\u5170\u6653\u8f89\uff0c\u7ae0\u8363\u519b\uff0c\u9648\u709c\uff09\u3002<\/p>\n<p>2020\u5e7412\u670822\u65e512\u70b937\u5206\uff0c\u6211\u56fd\u65b0\u4e00\u4ee3\u8fd0\u8f7d\u706b\u7bad\u957f\u5f81\u516b\u53f7\u5728\u4e2d\u56fd\u6587\u660c\u822a\u5929\u53d1\u5c04\u573a\u9996\u98de\uff0c\u4efb\u52a1\u53d6\u5f97\u5706\u6ee1\u6210\u529f\u3002\u4e2d\u56fd\u822a\u5929\u79d1\u6280\u96c6\u56e2\u5b98\u65b9<a href=\"https:\/\/mp.weixin.qq.com\/s\/gB3KXVNdhAnc79unDNF-aA\" target=\"_blank\" rel=\"noopener\">\u63d0\u5230\u4e86\u957f\u516b\u706b\u7bad\u53d1\u52a8\u673a\u63a8\u529b\u8c03\u8282\u6280\u672f\u7684\u9996\u6b21\u5de5\u7a0b\u5e94\u7528<\/a>\uff1a\u201c\u957f\u516b\u706b\u7bad\u8fd8\u80a9\u8d1f\u7740\u9a8c\u8bc1\u8fd0\u8f7d\u706b\u7bad\u53ef\u91cd\u590d\u4f7f\u7528\u6280\u672f\u7684\u91cd\u8981\u4f7f\u547d\uff0c\u6b64\u6b21\u53d1\u5c04\u7684\u9996\u98de\u706b\u7bad\u4e0a\uff0c\u5b9e\u73b0\u4e86<strong>\u53d1\u52a8\u673a\u63a8\u529b\u8c03\u8282\u6280\u672f<\/strong>\u7684\u9996\u6b21\u5de5\u7a0b\u5e94\u7528\uff0c\u63d0\u5347\u4e86\u8fd0\u8f7d\u706b\u7bad\u4efb\u52a1\u9002\u5e94\u6027\uff0c\u4e3a\u53ef\u91cd\u590d\u4f7f\u7528\u6253\u4e0b\u575a\u5b9e\u57fa\u7840\u3002\u201d<\/p>\n<h4>\u4e09.\u53d1\u52a8\u673a\u63a8\u529b\u77e2\u91cf<\/h4>\n<p>\u8d44\u6599\u663e\u793aMerlin 1D\u53d1\u52a8\u673a\u6709<strong>\u63a8\u529b\u77e2\u91cf(Thrust Vector)<\/strong>\u80fd\u529b\uff0c\u8fd9\u8ba9\u4e00\u7ea7\u706b\u7bad\u5728\u5373\u5c06\u7740\u9646\u65f6\u5177\u5907<strong>\u6a2a\u5411\u79fb\u52a8<\/strong>\u80fd\u529b\u3002\u706b\u7bad\u53d1\u52a8\u673a\u55b7\u5634\u53ef\u7565\u5fae\u504f\u8f6c\uff08\u6709\u5f85\u83b7\u53d6\u66f4\u591a\u8bc1\u636e\u786e\u8ba4\uff09\uff0c\u4ea7\u751f\u63a8\u529b\u77e2\u91cf\u3002\u964d\u843d\u7684\u4e00\u77ac\u95f4\uff0c\u5373\u4f7f\u706b\u7bad\u7565\u5fae\u504f\u79bb\u964d\u843d\u70b9\u4e2d\u5fc3\u4f4d\u7f6e\uff0c\u63a8\u529b\u77e2\u91cf\u4e5f\u53ef\u8ba9\u706b\u7bad\u6a2a\u5411\u79fb\u52a8\uff0c\u4ece\u800c\u80fd\u591f\u5bf9\u51c6\u9776\u5fc3\u7740\u9646\u3002\u8bf4\u63a8\u529b\u77e2\u91cf\u662f\u4e34\u95e8\u4e00\u811a\u7684\u5173\u952e\u6280\u672f\u5e94\u8be5\u4e0d\u4e3a\u8fc7\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-411\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2017\/12\/spacex-falcon9-control.png\" alt=\"\" width=\"3840\" height=\"2160\"><\/p>\n<p style=\"text-align: center;\">\u56fe \u730e\u9e709\u706b\u7bad\u7684\u63a8\u529b\u77e2\u91cf\u63a7\u5236\uff08\u89c1\u56fe\u5de6\u4fa7\uff0c\u56fe\u7247\u6765\u81ea<a href=\"https:\/\/zlsadesign.com\/infographic\/vehicle\/spacex-falcon9-control\/\" target=\"_blank\" rel=\"noopener noreferrer\">zlsadesign<\/a>\uff09<\/p>\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/nullthought.net\/?page_id=898\" target=\"_blank\" rel=\"noopener noreferrer\">SpaceX\u7cfb\u5217\u6587\u7ae0<\/a><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div style=\"height:36px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-7041714346924555\"\n     data-ad-slot=\"7374506722\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>SpaceX\u730e\u9e709\u706b\u7bad\uff08\u4e00\u7ea7\u706b\u7bad\uff09\u8fd4\u56de\u964d\u843d\u65f6\u7684\u63a8\u529b\u63a7\u5236\u4e3b\u8981\u6709\u5982\u4e0b\u4e09\u79cd\u5f62\u5f0f\uff1a \u4e00.\u70b9\u706b\u53d1\u52a8\u673a\u6570\u91cf \u730e\u9e709\u4e00\u7ea7\u706b\u7bad [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":414,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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