{"id":29468,"date":"2011-06-23T08:44:05","date_gmt":"2011-06-23T00:44:05","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=29468"},"modified":"2021-10-06T16:26:26","modified_gmt":"2021-10-06T08:26:26","slug":"%e7%a3%81%e6%bb%af%e6%9b%b2%e7%b7%9a%ef%bc%88hysteresis-loop%ef%bc%89","status":"publish","type":"post","link":"http:\/\/localhost\/%e7%a3%81%e6%bb%af%e6%9b%b2%e7%b7%9a%ef%bc%88hysteresis-loop%ef%bc%89\/","title":{"rendered":"\u78c1\u6eef\u66f2\u7dda"},"content":{"rendered":"<div class=\"pf-content\"><p><span style=\"color: #ff6600;\"><strong>\u78c1\u6eef\u66f2\u7dda (Hysteresis loop)<\/strong><\/span><br \/>\n<span style=\"color: #008000;\"><strong>\u81fa\u4e2d\u7e23\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u6d2a\u9023\u8f1d\u6559\u6388\u8cac\u4efb\u7de8\u8f2f<\/strong><\/span><\/p>\n<p>\u78c1\u6eef\u66f2\u7dda\uff0c\u662f\u6307\u7d66\u4e88\u9435\u78c1\u6027(ferromagnetic)\u7269\u8cea\u5916\u52a0\u78c1\u5834\uff0c\u800c\u4f7f\u5f97\u6b64\u7269\u8cea\u4e4b\u78c1\u6027\u7522\u751f\u5f37\u5ea6\u8b8a\u5316\uff0c\u518d\u5c07\u6b64\u5169\u8005\u7684\u95dc\u4fc2\u52a0\u4ee5\u8a18\u9304\u4e26\u7e6a\u5716\uff0c\u800c\u63cf\u7e6a\u51fa\u7684\u66f2\u7dda\uff0c\u5176\u66f2\u7dda\u5f62\u72c0\uff0c\u53ef\u53c3\u898bFig.1\u3002<\/p>\n<p><a href=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2011\/06\/013.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29470\" title=\"01\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2011\/06\/013.jpg\" alt=\"\" width=\"457\" height=\"453\" \/><\/a><!--more--><br \/>\n\u5716\u4e2d\uff0cx\u8ef8\u4e4bH\u5834\u4ee3\u8868\u5916\u52a0\u78c1\u5834\uff0cy\u8ef8\u4e4bB\u5834\u4ee3\u8868\u9435\u78c1\u6027\u7269\u8cea\u6240\u64c1\u6709\u7684\u78c1\u5834\uff0c\u800c\u6240\u8b02\u7684H\u5834\uff0c\u662f\u4e0d\u8003\u616e\u7269\u8cea\u4e4b\u5c0e\u78c1\u7387\u7684\u7279\u6027\uff0c\u53ea\u95dc\u5fc3\u81ea\u7531\u96fb\u6d41\u5c0d\u5176\u5275\u9020\u7684\u78c1\u5834\uff0c\u56e0\u70ba \u6bcf\u500b\u7269\u8cea\u4e4b\u5c0e\u78c1\u7387\u4e0d\u76e1\u76f8\u540c\uff0c\u5c24\u5176\u5c0d\u9435\u78c1\u6027\u6750\u6599\u800c\u8a00\uff0c\u5c0e\u78c1\u7387\u6bd4\u4e00\u822c\u9806\u78c1\u3001\u53cd\u78c1\u6027\u4e4b\u7269\u8cea\u5927\u4e0a\u5e7e\u767e\u3001\u751a\u81f3\u5e7e\u5343\u500d\uff0c\u56e0\u6b64\u624d\u5275\u9020H\u5834\uff0c\u65b9\u4fbf\u5206\u6790\uff0c\u4f46\u56e0\u70baH\u5834\u548c\u7269\u8cea\u4e4b \u5c0e\u78c1\u7387\u7121\u95dc\uff0c\u800c\u5728\u6e2c\u91cf\u6642\uff0c\u7121\u6cd5\u5206\u8fa8\u78c1\u5834\u7684\u4f86\u6e90\u662f\u4f86\u81ea\u81ea\u7531\u96fb\u6d41\u6216\u78c1\u5076\u6975\uff0c\u56e0\u6b64H\u5834\u662f\u6e2c\u91cf\u4e0d\u5230\u7684\uff0c\u771f\u6b63\u6e2c\u91cf\u5230\u7684\u78c1\u5834\uff0c\u90fd\u662fB\u5834\u3002<\/p>\n<p>\u5f62\u6210\u9435\u78c1\u6027\u7269\u8cea\u4e4b\u5c0e\u78c1\u7387\u5982\u6b64\u5927\u7684\u539f\u56e0\uff0c\u662f\u56e0\u70ba\u7269\u8cea\u5167\u90e8\u7684\u96fb\u5b50\u81ea\u65cb\u53ef\u8996\u70ba\u78c1\u5076\u6975\uff0c\u800c\u5176\u65b9\u5411\u4e26\u975e\u96a8\u6a5f\u5206\u4f48\uff0c\u5118\u7ba1\u4e26\u975e\u6240\u6709\u78c1\u5076\u6975\u65b9\u5411\u90fd\u4e00\u6a23\uff0c\u4f46\u90fd\u6709\u6307\u5411\u67d0\u4e00\u65b9\u5411\u7684\u8da8\u52e2\uff0c\u82e5\u8da8\u52e2\u8d8a\u5927\uff0c\u7269\u8cea\u4e4b\u5c0e\u78c1\u7387\u5c31\u6703\u8d8a\u9ad8\u3002<\/p>\n<p>\u6839\u64daFig.1\uff0c\u5728\u9435\u78c1\u6027\u7269\u8cea\u4e0a\u5916\u52a0H\u5834(\u53ef\u4f7f\u7528\u5728\u7269\u8cea\u4e0a\u7e8f\u7e5e\u7dda\u5708\uff0c\u4e26\u5728\u7dda\u5708\u4e0a\u901a\u96fb\u6d41\u7684\u65b9\u5f0f)\uff0c\u56e0\u70ba\u5916\u52a0H\u5834\u7684\u95dc\u4fc2\uff0c\u78c1\u5076\u6975\u7684\u6392\u5217\u6703\u66f4\u898f\u5f8b\u4e9b\uff0c\u4e0d\u904e\u4e26 \u975e\u4e00\u901a\u96fb\u6d41\uff0c\u5c31\u6703\u4f7f\u5f97\u78c1\u5076\u6975\u7684\u6392\u5217\u767c\u751f\u6539\u8b8a\uff0c\u56e0\u70baH\u5834\u5fc5\u9808\u5148\u514b\u670d\u78c1\u5076\u6975\u7684\u6163\u6027(\u4f8b\u5982\u6469\u64e6\u529b\u7b49\u7b49)\uff0c\u56e0\u6b64\u5728\u96fb\u6d41\u6162\u6162\u63d0\u5347\u4e4b\u5f8c\u78c1\u5076\u6975\u624d\u6703\u53d7\u5230H\u5834\u7684\u8da8\u4f7f\u767c\u751f\u8f49\u52d5\u3002<\/p>\n<p>\u7576\u7136\uff0c\u78c1\u5076\u6975\u8f49\u52d5\u7684\u65b9\u5411\u7e3d\u6709\u500b\u6975\u9650\uff0c\u5728\u9019\u500b\u60c5\u6cc1\u4e0b\uff0c\u7269\u8cea\u7684\u5c0e\u78c1\u7387\u6703\u6709\u6700\u5927\u503c\uff0c\u4e26\u975e\u5916\u52a0\u78c1\u5834\u4e00\u76f4\u589e\u52a0\uff0c\u5c0e\u78c1\u7387\u5c31\u6703\u4e00\u76f4\u4e0a\u5347\uff0c\u9019\u500b\u5c0e\u78c1\u7387\u9054\u5230\u6700\u5927\u503c\u7684\u72c0\u614b\uff0c\u7a31\u70ba\u78c1\u98fd\u548c(magnetic saturation)\uff0c\u73fe\u5728\u82e5\u5c07\u96fb\u6d41\u6162\u6162\u95dc\u6389\uff0c\u78c1\u5076\u6975\u7684\u6392\u5217\u81ea\u7136\u6703\u8b8a\u5f97\u8f03\u4e0d\u6574\u9f4a\uff0c\u4f46\u7576\u96fb\u6d41\u5b8c\u5168\u95dc\u6389\u7684\u6642\u5019\uff0c\u78c1\u5076\u6975\u7684\u6392\u5217\u4ecd\u6703\u6bd4\u525b\u958b\u59cb\u7684\u6392\u5217\u65b9\u5f0f\u6574\u9f4a\uff0c\u9019 \u500b\u73fe\u8c61\uff0c\u6211\u5011\u7a31\u70ba\u6b98\u78c1(residual flux density)\uff0c\u9019\u5c31\u662f\u6c38\u4e45\u78c1\u9435\u7684\u7531\u4f86\uff0c\u63a5\u8457\u82e5\u7d66\u4e88\u53cd\u5411\u7684\u96fb\u6d41\uff0c\u6703\u91cd\u8907\u525b\u525b\u7684\u884c\u70ba\uff0c\u56e0\u6b64\u9072\u6eef\u66f2\u7dda\u5468\u671f\u6027\u7684\u66f2\u7dda\u3002<\/p>\n<p>\u9806\u5e36\u4e00\u63d0\uff0c\u78c1\u6027\u7269\u8cea\uff0c\u90fd\u6709\u6240\u8b02\u7684\u5c45\u91cc\u6eab\u5ea6\uff0c\u6bcf\u7a2e\u6750\u6599\u7684\u5c45\u91cc\u6eab\u5ea6\u7686\u4e0d\u76f8\u540c\uff0c\u7576\u78c1\u6027\u7269\u8cea\u8d85\u904e\u5176\u5c45\u91cc\u6eab\u5ea6\uff0c\u7269\u8cea\u5167\u90e8\u7684\u78c1\u5076\u6975\u6703\u7372\u5f97\u8db3\u5920\u7684\u80fd\u91cf\u800c\u812b\u96e2\u5176\u6392\u5217\u7684\u8da8\u52e2\uff0c\u5176\u65b9\u5411\u5f9e\u6709\u5e8f\u8b8a\u70ba\u7121\u5e8f\uff0c\u78c1\u6027\u4fbf\u6703\u6d88\u5931\u3002<\/p>\n<p>\u78c1\u6eef\u66f2\u7dda\u7684\u76f8\u95dc\u61c9\u7528\uff0c\u986f\u800c\u6613\u898b\u7684\uff0c\u5728\u78c1\u6027\u6750\u6599\u4e2d\u662f\u975e\u5e38\u5ee3\u6cdb\u4e14\u57fa\u672c\u7684\uff0c\u4e0d\u904e\u6709\u4e00\u9805\u61c9\u7528\u5341\u5206\u7279\u5225\uff0c\u5c31\u662f\u53ef\u4ee5\u7528\u9019\u7a2e\u65b9\u6cd5\u4f86\u9054\u5230\u964d\u6eab\u7684\u6548\u679c\uff0c\u539f\u7406\u662f\u5728\u4e00\u500b\u7d55\u71b1\u7a7a\u9593\u4e2d\uff0c\u9996\u5148\u5916\u52a0\u78c1\u5834\uff0c\u4f7f\u7269\u8cea\u4e4b\u5c0e\u78c1\u7387\u9054\u6975\u503c\uff0c\u63a5\u8457\u95dc\u6389\u78c1\u5834\u5f8c\uff0c\u78c1\u5076\u6975\u7684\u6392\u5217\u6703\u8b8a\u5f97\u6bd4\u8f03\u4e82\uff0c\u56e0\u70ba\u662f\u5728\u7d55\u71b1\u7a7a\u9593\u4e2d\uff0c\u78c1\u5076\u6975\u53ea\u80fd\u5f9e\u81ea\u8eab\u7684\u5206\u5b50\u3001\u539f\u5b50\u4e2d\u7372\u53d6\u80fd\u91cf\uff0c\u56e0\u6b64\u5c0d\u65bc\u6574\u9ad4\u800c\u8a00\uff0c\u5206\u5b50\u3001\u539f\u5b50\u4e2d\u7684\u80fd\u91cf\u88ab\u53d6\u8d70\u4e86\uff0c\u6eab\u5ea6\u81ea\u7136\u964d\u4f4e\u4e86\u3002<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599<\/strong><br \/>\n<a href=\"http:\/\/en.wikipedia.org\/wiki\/Hysteresis\" target=\"_blank\">http:\/\/en.wikipedia.org\/wiki\/Hysteresis<\/a><br \/>\n<a href=\"http:\/\/en.wikipedia.org\/wiki\/Ferromagnetic\" target=\"_blank\">http:\/\/en.wikipedia.org\/wiki\/Ferromagnetic<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u78c1\u6eef\u66f2\u7dda (Hysteresis loop) \u81fa\u4e2d\u7e23\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u6d2a&hellip;<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107,30,27],"tags":[3184,3183],"class_list":["post-29468","post","type-post","status-publish","format-standard","hentry","category-physics00","category-physics06-03","category-physics06","tag-hysteresis-loop","tag-3183","avhec_catgroup-all","loop-entry","cat-107","cat-30","cat-27","no-thumbnail"],"views":32229,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/29468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=29468"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/29468\/revisions"}],"predecessor-version":[{"id":88396,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/29468\/revisions\/88396"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=29468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=29468"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=29468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}