{"id":741529,"date":"2024-09-12T20:58:19","date_gmt":"2024-09-12T19:58:19","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=741529"},"modified":"2024-09-12T20:58:19","modified_gmt":"2024-09-12T19:58:19","slug":"%e7%a3%81%e5%88%b6%e5%86%b7%e7%9a%84%e7%83%ad%e5%8a%9b%e5%ad%a6%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%a3%81%e5%88%b6%e5%86%b7%e7%9a%84%e7%83%ad%e5%8a%9b%e5%ad%a6%e5%8e%9f%e7%90%86\/","title":{"rendered":"\u78c1\u5236\u51b7\u7684\u70ed\u529b\u5b66\u539f\u7406"},"content":{"rendered":"

\u78c1\u5236\u51b7\u7684\u70ed\u529b\u5b66\u539f\u7406\uff1a\u901a\u8fc7\u78c1\u573a\u5f71\u54cd\u78c1\u6027\u6750\u6599\u7684\u78c1\u71b5\u53d8\u5316\uff0c\u5b9e\u73b0\u9ad8\u6548\u4f4e\u80fd\u8017\u7684\u5236\u51b7\u8fc7\u7a0b\uff0c\u5e94\u7528\u5e7f\u6cdb\u4e14\u73af\u4fdd\u3002<\/p>\n

\"\u78c1\u5236\u51b7\u7684\u70ed\u529b\u5b66\u539f\u7406\"<\/p>\n

\u78c1\u5236\u51b7\u7684\u70ed\u529b\u5b66\u539f\u7406<\/h2>\n

\u78c1\u5236\u51b7\u662f\u4e00\u79cd\u5229\u7528\u78c1\u6027\u6750\u6599\u5728\u78c1\u573a\u53d8\u5316\u8fc7\u7a0b\u4e2d\u7684\u70ed\u6548\u5e94\u6765\u5b9e\u73b0\u5236\u51b7\u7684\u65b9\u6cd5\u3002\u8be5\u6280\u672f\u5728\u6e29\u5ea6\u63a7\u5236\u3001\u9ad8\u6548\u80fd\u5236\u51b7\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u3002\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4ecb\u7ecd\u78c1\u5236\u51b7\u7684\u57fa\u672c\u70ed\u529b\u5b66\u539f\u7406\u3002<\/p>\n

\u78c1\u70ed\u6548\u5e94<\/h2>\n

\u78c1\u5236\u51b7\u7684\u6838\u5fc3\u539f\u7406\u662f\u78c1\u70ed\u6548\u5e94(Magnetocaloric Effect, MCE)\u3002\u5f53\u67d0\u4e9b\u78c1\u6027\u6750\u6599\u5904\u4e8e\u78c1\u573a\u4e2d\u65f6\uff0c\u5176\u5185\u90e8\u78c1\u77e9\u7684\u6392\u5217\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u4ece\u800c\u5bfc\u81f4\u6750\u6599\u7684\u6e29\u5ea6\u53d8\u5316\u3002\u8fd9\u4e00\u8fc7\u7a0b\u53ef\u4ee5\u5206\u4e3a\u4e24\u4e2a\u4e3b\u8981\u9636\u6bb5\uff1a<\/p>\n

<\/p>\n

  • \u7edd\u70ed\u53bb\u78c1\u8fc7\u7a0b<\/li>\n
  • \u7edd\u70ed\u78c1\u5316\u8fc7\u7a0b<\/li>\n

    <\/u1><\/p>\n

    \u7edd\u70ed\u53bb\u78c1\u8fc7\u7a0b<\/h2>\n

    \u5728\u8fd9\u4e00\u9636\u6bb5\uff0c\u5c06\u78c1\u6027\u6750\u6599\u7f6e\u4e8e\u7edd\u70ed\u73af\u5883\u4e2d\uff0c\u540c\u65f6\u9010\u6e10\u51cf\u5c0f\u78c1\u573a\u5f3a\u5ea6\u3002\u7531\u4e8e\u78c1\u573a\u51cf\u5f31\uff0c\u6750\u6599\u5185\u90e8\u7684\u78c1\u77e9\u4f1a\u4ece\u6709\u5e8f\u72b6\u6001\u53d8\u5f97\u65e0\u5e8f\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\uff0c\u6750\u6599\u5bf9\u5916\u754c\u91ca\u653e\u70ed\u91cf\uff0c\u6e29\u5ea6\u4e0b\u964d\u3002\u5176\u8fc7\u7a0b\u53ef\u7528\u70ed\u529b\u5b66\u65b9\u7a0b\u8868\u793a\u4e3a\uff1a<\/p>\n

    \n\\[
    \n T_2 = T_1 – \\frac{\\Delta E}{C}
    \n\\]\n<\/p>\n

    \u5176\u4e2d\uff0cT2<\/sub>\u548cT1<\/sub>\u5206\u522b\u662f\u6750\u6599\u5728\u53bb\u78c1\u8fc7\u7a0b\u524d\u540e\u7684\u6e29\u5ea6\uff0c\u0394E\u4e3a\u6750\u6599\u5185\u80fd\u7684\u53d8\u5316\u91cf\uff0cC\u662f\u6750\u6599\u7684\u70ed\u5bb9\u3002<\/p>\n

    \u7edd\u70ed\u78c1\u5316\u8fc7\u7a0b<\/h2>\n

    \u5728\u8fd9\u4e2a\u9636\u6bb5\uff0c\u5c06\u76f8\u540c\u7684\u78c1\u6027\u6750\u6599\u518d\u6b21\u7f6e\u4e8e\u7edd\u70ed\u73af\u5883\u4e2d\uff0c\u5e76\u9010\u6e10\u589e\u5f3a\u78c1\u573a\u3002\u5728\u78c1\u573a\u589e\u5f3a\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6750\u6599\u5185\u90e8\u7684\u78c1\u77e9\u4ece\u65e0\u5e8f\u72b6\u6001\u53d8\u4e3a\u6709\u5e8f\u72b6\u6001\uff0c\u5438\u6536\u5916\u754c\u70ed\u91cf\uff0c\u6e29\u5ea6\u4e0a\u5347\u3002\u5176\u8fc7\u7a0b\u7c7b\u4f3c\u4e8e\u53bb\u78c1\u8fc7\u7a0b\uff0c\u4e5f\u53ef\u7528\u70ed\u529b\u5b66\u65b9\u7a0b\u63cf\u8ff0\uff1a<\/p>\n

    \n\\[
    \n T_3 = T_2 + \\frac{\\Delta E}{C}
    \n\\]\n<\/p>\n

    \u5176\u4e2d\uff0cT3<\/sub>\u4e3a\u78c1\u5316\u8fc7\u7a0b\u7ed3\u675f\u540e\u7684\u6e29\u5ea6\u3002<\/p>\n

    \u5faa\u73af\u5de5\u4f5c\u539f\u7406<\/h2>\n

    \u78c1\u5236\u51b7\u901a\u8fc7\u7edd\u70ed\u53bb\u78c1\u548c\u7edd\u70ed\u78c1\u5316\u4e24\u4e2a\u8fc7\u7a0b\u4ea4\u66ff\u8fdb\u884c\u5b9e\u73b0\u5236\u51b7\u6548\u679c\u3002\u5176\u57fa\u672c\u5faa\u73af\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n

    <\/p>\n

  • \u5c06\u78c1\u6027\u6750\u6599\u5904\u4e8e\u9ad8\u78c1\u573a\u4e2d\uff0c\u5176\u6e29\u5ea6\u5347\u9ad8\u3002<\/li>\n
  • \u4e0e\u51b7\u5374\u6db2\u4f53\u63a5\u89e6\uff0c\u6750\u6599\u653e\u70ed\u81f3\u73af\u5883\uff0c\u4e0b\u6e29\u5ea6\u3002<\/li>\n
  • \u7edd\u70ed\u79fb\u8d70\u8be5\u78c1\u6027\u6750\u6599\uff0c\u540c\u65f6\u51cf\u5f31\u78c1\u573a\uff0c\u6750\u6599\u6e29\u5ea6\u4e0b\u964d\u3002<\/li>\n
  • \u4e0e\u9700\u8981\u5236\u51b7\u7684\u7cfb\u7edf\u63a5\u89e6\uff0c\u6750\u6599\u5438\u70ed\uff0c\u7cfb\u7edf\u6e29\u5ea6\u4e0b\u964d\u3002<\/li>\n

    <\/o1><\/p>\n

    \u901a\u8fc7\u4e0a\u8ff0\u5faa\u73af\uff0c\u78c1\u5236\u51b7\u7cfb\u7edf\u53ef\u4ee5\u5c06\u70ed\u91cf\u4ece\u4f4e\u6e29\u533a\u8f6c\u79fb\u5230\u9ad8\u6e29\u533a\uff0c\u5b9e\u73b0\u5236\u51b7\u6548\u679c\u3002<\/p>\n

    \u5e94\u7528\u4e0e\u524d\u666f<\/h2>\n

    \u78c1\u5236\u51b7\u5177\u6709\u65e0\u566a\u97f3\u3001\u65e0\u6c61\u67d3\u3001\u9ad8\u6548\u7387\u7b49\u4f18\u70b9\uff0c\u5df2\u7ecf\u5728\u79d1\u7814\u548c\u5de5\u4e1a\u9886\u57df\u663e\u793a\u51fa\u5e7f\u9614\u524d\u666f\u3002\u672a\u6765\u7684\u7814\u7a76\u5c06\u96c6\u4e2d\u4e8e\u53d1\u73b0\u66f4\u591a\u9ad8\u6548\u7684\u78c1\u6027\u6750\u6599\u548c\u5f00\u53d1\u66f4\u52a0\u5b9e\u7528\u7684\u78c1\u5236\u51b7\u8bbe\u5907\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u78c1\u5236\u51b7\u7684\u70ed\u529b\u5b66\u539f\u7406\uff1a\u901a\u8fc7\u78c1\u573a\u5f71\u54cd\u78c1\u6027\u6750\u6599\u7684\u78c1\u71b5\u53d8\u5316\uff0c\u5b9e\u73b0\u9ad8\u6548\u4f4e\u80fd\u8017\u7684\u5236\u51b7\u8fc7\u7a0b\uff0c\u5e94\u7528\u5e7f\u6cdb\u4e14\u73af\u4fdd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[134],"tags":[],"yoast_head":"\n\u78c1\u5236\u51b7\u7684\u70ed\u529b\u5b66\u539f\u7406<\/title>\n<meta name=\"description\" content=\"\u78c1\u5236\u51b7\u7684\u70ed\u529b\u5b66\u539f\u7406\uff1a\u901a\u8fc7\u78c1\u573a\u5f71\u54cd\u78c1\u6027\u6750\u6599\u7684\u78c1\u71b5\u53d8\u5316\uff0c\u5b9e\u73b0\u9ad8\u6548\u4f4e\u80fd\u8017\u7684\u5236\u51b7\u8fc7\u7a0b\uff0c\u5e94\u7528\u5e7f\u6cdb\u4e14\u73af\u4fdd\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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