{"id":19166,"date":"2026-09-04T20:04:23","date_gmt":"2026-09-04T10:04:23","guid":{"rendered":"https:\/\/geoffreychen.com\/why-a-candle-flame-points-upward\/"},"modified":"2026-09-04T20:04:23","modified_gmt":"2026-09-04T10:04:23","slug":"why-a-candle-flame-points-upward","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-a-candle-flame-points-upward\/","title":{"rendered":"\u8721\u70db\u706b\u7130\u4e3a\u4ec0\u4e48\u603b\u662f\u5411\u4e0a\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/why-a-candle-flame-points-upward\/2504f8aa9253be85264cdc1c.jpg?w=1140&#038;ssl=1\" alt=\"\u8721\u70db\u706b\u7130\u4e3a\u4ec0\u4e48\u603b\u662f\u5411\u4e0a\uff1f\" loading=\"lazy\"><\/p>\n<p>\u8721\u70db\u706b\u7130\u5e76\u4e0d\u662f\u56e0\u4e3a\u201c\u70ed\u559c\u6b22\u5f80\u4e0a\u8d70\u201d\u3002\u8721\u53d7\u70ed\u6c7d\u5316\uff0c\u84b8\u6c14\u4e0e\u6c27\u53cd\u5e94\uff0c\u9644\u8fd1\u6c14\u4f53\u5347\u6e29\u81a8\u80c0\u3001\u5bc6\u5ea6\u4e0b\u964d\uff1b\u5728\u91cd\u529b\u573a\u91cc\uff0c\u5468\u56f4\u8f83\u51b7\u3001\u8f83\u5bc6\u7684\u7a7a\u6c14\u4ea7\u751f\u6d6e\u529b\u4f5c\u7528\uff0c\u5f62\u6210\u81ea\u7136\u5bf9\u6d41\u3002\u70ed\u7684\u71c3\u70e7\u4ea7\u7269\u4e0a\u5347\uff0c\u51b7\u7a7a\u6c14\u4ece\u4e0b\u65b9\u8865\u5165\uff0c\u53cd\u5e94\u533a\u4e8e\u662f\u88ab\u62c9\u6210\u957f\u6ef4\u5f62\uff0c\u5c16\u7aef\u6307\u5411\u4e0e\u91cd\u529b\u76f8\u53cd\u7684\u65b9\u5411\u3002<\/p>\n<p>\u628a\u8721\u70db\u5012\u8fc7\u6765\uff0c\u706b\u7130\u4ecd\u4f1a\u5411\u4e0a\uff0c\u800c\u4e0d\u4f1a\u8ddf\u7740\u70db\u82af\u671d\u4e0b\uff1b\u8fd9\u8bf4\u660e\u5f62\u72b6\u4e3b\u8981\u7531\u5468\u56f4\u6c14\u6d41\u51b3\u5b9a\u3002NASA\u7684\u5fae\u91cd\u529b\u5b9e\u9a8c\u7ed9\u51fa\u66f4\u6e05\u695a\u7684\u5bf9\u7167\uff1a\u6d6e\u529b\u5bf9\u6d41\u6781\u5f31\u65f6\uff0c\u6c27\u4e3b\u8981\u9760\u5206\u5b50\u6269\u6563\u63a5\u8fd1\u71c3\u6599\uff0c\u706b\u7130\u8d8b\u8fd1\u7403\u5f62\uff0c\u71c3\u70e7\u66f4\u6162\uff0c\u5e76\u5448\u84dd\u8272\u3002\u4e0d\u662f\u201c\u6ca1\u6709\u91cd\u529b\u5c31\u4e0d\u80fd\u71c3\u70e7\u201d\uff0c\u800c\u662f\u4f9b\u6c27\u548c\u5e26\u8d70\u71c3\u70e7\u4ea7\u7269\u7684\u65b9\u5f0f\u6539\u53d8\u4e86\u3002<\/p>\n<p>\u6240\u4ee5\u201c\u70ed\u7a7a\u6c14\u4e0a\u5347\u201d\u662f\u7279\u5b9a\u91cd\u529b\u73af\u5883\u4e2d\u7684\u7ed3\u679c\uff0c\u4e0d\u662f\u70ed\u672c\u8eab\u5177\u6709\u5411\u4e0a\u7684\u65b9\u5411\u3002\u82e5\u5f3a\u5236\u6c14\u6d41\u8db3\u591f\u5f3a\uff0c\u706b\u7130\u540c\u6837\u4f1a\u987a\u7740\u6c14\u6d41\u504f\u8f6c\uff1b\u5b83\u7684\u5f62\u72b6\u8bb0\u5f55\u7684\u662f\u71c3\u6599\u3001\u6c27\u6c14\u3001\u70ed\u91cf\u4e0e\u5468\u56f4\u6d41\u52a8\u5171\u540c\u5f62\u6210\u7684\u71c3\u70e7\u6761\u4ef6\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"b6eGxqF3NY\"><p><a href=\"https:\/\/www.nasa.gov\/image-article\/candle-flame-1g-vs-microgravity\/\" target=\"_blank\" rel=\"noopener\">Candle Flame &#8211; 1g vs Microgravity<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201cCandle Flame \u2013 1g vs Microgravity\u201d \u2014 NASA\" src=\"https:\/\/www.nasa.gov\/image-article\/candle-flame-1g-vs-microgravity\/embed\/#?secret=PnlvQz4EHj#?secret=b6eGxqF3NY\" data-secret=\"b6eGxqF3NY\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"A candle flame points upwards because gravity-driven buoyancy creates a rising flow. 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