{"id":1490,"date":"2026-10-26T22:00:00","date_gmt":"2026-10-26T13:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1490"},"modified":"2026-10-23T22:18:20","modified_gmt":"2026-10-23T13:18:20","slug":"qs-thermal-diffusivity-depth-time-20261023","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1490","title":{"rendered":"\u71b1\u62e1\u6563\u7387\u3001\u5185\u90e8\u304c\u6e29\u307e\u308b\u901f\u3055\u306f\u71b1\u4f1d\u5c0e\u7387\u3060\u3051\u3067\u306f\u6c7a\u307e\u3089\u306a\u3044"},"content":{"rendered":"<p>\u6750\u6599\u306e\u7247\u9762\u3092\u6e29\u3081\u305f\u3068\u304d\u3001\u8868\u9762\u3060\u3051\u3067\u306a\u304f\u5185\u5074\u3082\u65e9\u304f\u6e29\u307e\u308b\u304b\u3092\u77e5\u308a\u305f\u3044\u3002\u305d\u3093\u306a\u5834\u9762\u3067\u306f\u3001\u71b1\u4f1d\u5c0e\u7387\u306e\u5927\u304d\u3055\u306b\u52a0\u3048\u3066\u3001\u6e29\u5ea6\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u3069\u308c\u3060\u3051\u306e\u71b1\u304c\u5fc5\u8981\u304b\u3082\u95a2\u308f\u308a\u307e\u3059\u3002\u540c\u3058\u71b1\u4f1d\u5c0e\u7387\u3092\u6301\u3064\u6750\u6599\u3067\u3082\u3001\u540c\u3058\u6642\u9593\u5f8c\u306e\u5185\u90e8\u6e29\u5ea6\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u9055\u3044\u3092\u6349\u3048\u308b\u7269\u6027\u5024\u304c<strong>\u71b1\u62e1\u6563\u7387<\/strong>\u3067\u3059\u3002\u71b1\u3092\u4f1d\u3048\u308b\u6027\u8cea\u3068\u84c4\u3048\u308b\u6027\u8cea\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u52a0\u71b1\u3092\u59cb\u3081\u3066\u304b\u3089\u6e29\u5ea6\u5206\u5e03\u304c\u3069\u3046\u5909\u308f\u308b\u304b\u3092\u8003\u3048\u308b\u624b\u304c\u304b\u308a\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u8868\u9762\u306e\u6e29\u5ea6\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u5358\u7d14\u306a\u30e2\u30c7\u30eb\u3067\u3001\u4e8c\u3064\u306e\u4eee\u60f3\u6750\u6599\u3092\u6bd4\u3079\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u71b1\u62e1\u6563\u7387\u306f\u3001\u71b1\u4f1d\u5c0e\u7387\u3092\u4f53\u7a4d\u3042\u305f\u308a\u306e\u71b1\u5bb9\u91cf\u3067\u5272\u3063\u305f\u5024\u3067\u3059\u3002\u540c\u3058\u71b1\u4f1d\u5c0e\u7387\u306a\u3089\u3001\u4f53\u7a4d\u3042\u305f\u308a\u306e\u71b1\u5bb9\u91cf\u304c\u5927\u304d\u3044\u307b\u3069\u71b1\u62e1\u6563\u7387\u306f\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u8868\u9762\u6e29\u5ea6\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u539a\u3044\u6750\u6599\u306e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u540c\u3058\u5272\u5408\u3060\u3051\u6e29\u5ea6\u304c\u4e0a\u304c\u308b\u6df1\u3055\u306f\u3001\u6642\u9593\u306e\u5e73\u65b9\u6839\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u6df1\u3055\u30922\u500d\u306b\u3059\u308b\u3068\u3001\u5fc5\u8981\u306a\u6642\u9593\u306f4\u500d\u3067\u3059\u3002<\/li>\n<li>\u71b1\u62e1\u6563\u7387\u3060\u3051\u3067\u52a0\u71b1\u6642\u9593\u3084\u65ad\u71b1\u6027\u80fd\u306e\u512a\u52a3\u306f\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002\u539a\u3055\u3001\u8868\u9762\u3078\u306e\u71b1\u306e\u6e21\u3057\u65b9\u3001\u5fc5\u8981\u306a\u6e29\u5ea6\u3092\u5408\u308f\u305b\u3066\u6bd4\u3079\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u71b1\u3092\u901a\u3059\u3053\u3068\u3068\u3001\u6750\u6599\u81ea\u8eab\u3092\u6e29\u3081\u308b\u3053\u3068<\/h2>\n<p>\u71b1\u4f1d\u5c0e\u7387<em>k<\/em>\u306f\u3001\u6e29\u5ea6\u5dee\u306e\u3042\u308b\u6750\u6599\u5185\u3067\u71b1\u304c\u3069\u308c\u3060\u3051\u6d41\u308c\u308b\u304b\u306b\u95a2\u308f\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u6750\u6599\u306e\u6e29\u5ea6\u3092\u5909\u3048\u308b\u306b\u306f\u3001\u305d\u306e\u6750\u6599\u81ea\u8eab\u306b\u3082\u71b1\u3092\u84c4\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5bc6\u5ea6\u3092\u03c1\u3001\u8cea\u91cf\u3042\u305f\u308a\u306e\u6bd4\u71b1\u3092<em>c<\/em>\u3068\u3059\u308b\u3068\u3001\u7a4d\u03c1c\u306f\u4f53\u7a4d\u3042\u305f\u308a\u306e\u71b1\u5bb9\u91cf\u3067\u3059\u3002\u5358\u4f4d\u306fJ\/(m\u00b3\u00b7K)\u3067\u30011m\u00b3\u306e\u6e29\u5ea6\u30921K\u4e0a\u3052\u308b\u306e\u306b\u5fc5\u8981\u306a\u71b1\u91cf\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<p>\u71b1\u62e1\u6563\u7387\u03b1\u306f\u3001\u3053\u308c\u3089\u3092\u6b21\u306e\u3088\u3046\u306b\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002[1]<\/p>\n<p><strong>\u03b1 = k \/ (\u03c1c)<\/strong><\/p>\n<p>\u5358\u4f4d\u306fm\u00b2\/s\u3067\u3059\u3002\u305f\u3068\u3048\u3070k\u304c\u540c\u3058\u3067\u3082\u3001\u03c1c\u304c4\u500d\u306a\u3089\u03b1\u306f4\u5206\u306e1\u306b\u306a\u308a\u307e\u3059\u3002\u540c\u3058\u6e29\u5ea6\u52fe\u914d\u306e\u3082\u3068\u3067\u71b1\u3092\u4f1d\u3048\u308b\u80fd\u529b\u304c\u540c\u3058\u3067\u3082\u3001\u6e29\u5ea6\u3092\u5909\u3048\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u71b1\u304c\u5927\u304d\u3051\u308c\u3070\u3001\u5185\u90e8\u306e\u6e29\u5ea6\u5206\u5e03\u306f\u3086\u3063\u304f\u308a\u5909\u308f\u308b\u3001\u3068\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u6e29\u5ea6\u5909\u5316\u306e\u9014\u4e2d\u3092\u6271\u3046\u300c\u975e\u5b9a\u5e38\u71b1\u4f1d\u5c0e\u300d\u306e\u8a71\u3067\u3059\u3002\u6e29\u5ea6\u304c\u6642\u9593\u306b\u3088\u3063\u3066\u5909\u308f\u3089\u306a\u304f\u306a\u3063\u305f\u5b9a\u5e38\u72b6\u614b\u306e\u71b1\u6d41\u3092\u3001\u540c\u3058\u539a\u3055\u30fb\u9762\u7a4d\u30fb\u4e21\u9762\u306e\u6e29\u5ea6\u5dee\u3067\u6bd4\u3079\u308b\u306a\u3089\u3001\u71b1\u4f1d\u5c0e\u7387\u304c\u7b49\u3057\u3044\u4e8c\u3064\u306e\u5747\u8cea\u306a\u677f\u3067\u306f\u540c\u3058\u71b1\u6d41\u306b\u306a\u308a\u307e\u3059\u3002\u9014\u4e2d\u306e\u6e29\u307e\u308a\u65b9\u3068\u3001\u843d\u3061\u7740\u3044\u305f\u5f8c\u306b\u901a\u3059\u71b1\u91cf\u3092\u5206\u3051\u3066\u898b\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h2>\u8868\u9762\u309220\u2103\u304b\u308980\u2103\u306b\u5909\u3048\u305f\u3089\u3001\u6df1\u305510mm\u306f\u4f55\u2103\u304b<\/h2>\n<p>\u6bd4\u8f03\u306e\u305f\u3081\u3001\u521d\u3081\u306f\u5168\u4f53\u304c20\u2103\u306e\u6750\u6599\u3092\u7528\u610f\u3057\u3001\u6642\u523b0\u3067\u7247\u9762\u309280\u2103\u306b\u5909\u3048\u3001\u305d\u306e\u6e29\u5ea6\u306b\u4fdd\u3064\u3068\u3057\u307e\u3059\u3002\u6750\u6599\u306f\u5747\u8cea\u3067\u3001\u7269\u6027\u5024\u306f\u4e00\u5b9a\u3001\u5185\u90e8\u306e\u767a\u71b1\u3084\u76f8\u5909\u5316\u306f\u306a\u3044\u3082\u306e\u3068\u3057\u307e\u3059\u3002\u5074\u9762\u304b\u3089\u306e\u71b1\u306e\u51fa\u5165\u308a\u3092\u7121\u8996\u3057\u3001\u8868\u9762\u304b\u3089\u5965\u3078\u5411\u304b\u3046\u4e00\u65b9\u5411\u306e\u5909\u5316\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u8003\u3048\u308b\u6642\u9593\u5185\u3067\u306f\u53cd\u5bfe\u5074\u306e\u9762\u306e\u5f71\u97ff\u3092\u7121\u8996\u3067\u304d\u308b\u307b\u3069\u539a\u3044\u3082\u306e\u3068\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u300c\u534a\u7121\u9650\u56fa\u4f53\u300d\u3068\u3044\u3046\u8fd1\u4f3c\u3067\u3059\u3002\u7121\u9650\u306b\u539a\u3044\u7269\u4f53\u3092\u5b9f\u969b\u306b\u7528\u610f\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u306a\u304f\u3001\u77ed\u6642\u9593\u306e\u8868\u9762\u4ed8\u8fd1\u3060\u3051\u3092\u898b\u308b\u305f\u3081\u306e\u30e2\u30c7\u30eb\u3067\u3059\u3002[1][2]<\/p>\n<p>\u4e0b\u8868\u306eA\u30fbB\u306f\u3001\u4ed5\u7d44\u307f\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u8a2d\u5b9a\u3057\u305f\u4eee\u60f3\u6750\u6599\u3067\u3059\u3002\u5b9f\u5728\u6750\u6599\u306e\u6e2c\u5b9a\u5024\u3084\u88fd\u54c1\u6027\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u71b1\u4f1d\u5c0e\u7387\u3092\u305d\u308d\u3048\u3001\u4f53\u7a4d\u3042\u305f\u308a\u306e\u71b1\u5bb9\u91cf\u3060\u3051\u3092\u5909\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<div style=\"overflow-x:auto\">\n<table>\n<thead>\n<tr>\n<th>\u8a2d\u5b9a\u5024<\/th>\n<th>\u6750\u6599A<\/th>\n<th>\u6750\u6599B<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>\u71b1\u4f1d\u5c0e\u7387 k<\/th>\n<td>1 W\/(m\u00b7K)<\/td>\n<td>1 W\/(m\u00b7K)<\/td>\n<\/tr>\n<tr>\n<th>\u4f53\u7a4d\u3042\u305f\u308a\u306e\u71b1\u5bb9\u91cf \u03c1c<\/th>\n<td>1,000,000 J\/(m\u00b3\u00b7K)<\/td>\n<td>4,000,000 J\/(m\u00b3\u00b7K)<\/td>\n<\/tr>\n<tr>\n<th>\u71b1\u62e1\u6563\u7387 \u03b1<\/th>\n<td>1.0\u00d710\u207b\u2076 m\u00b2\/s<\/td>\n<td>0.25\u00d710\u207b\u2076 m\u00b2\/s<\/td>\n<\/tr>\n<tr>\n<th>100\u79d2\u5f8c\u3001\u6df1\u305510mm\u306e\u6e29\u5ea6<\/th>\n<td>\u7d0448.8\u2103<\/td>\n<td>\u7d0429.4\u2103<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4e21\u65b9\u3068\u3082\u8868\u9762\u306f80\u2103\u3067\u3059\u304c\u3001100\u79d2\u5f8c\u306e\u6df1\u305510mm\u3067\u306f\u7d0419.3\u2103\u306e\u5dee\u304c\u751f\u3058\u307e\u3059\u3002B\u306f\u4f53\u7a4d\u3042\u305f\u308a\u306e\u71b1\u5bb9\u91cf\u304c\u5927\u304d\u3044\u305f\u3081\u3001\u540c\u3058\u5834\u6240\u306e\u6e29\u5ea6\u5909\u5316\u304cA\u3088\u308a\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u8868\u9762\u6e29\u5ea6\u3092\u540c\u3058\u306b\u3057\u305f\u3053\u3068\u306f\u3001\u4f9b\u7d66\u3057\u305f\u7dcf\u71b1\u91cf\u3082\u540c\u3058\u306b\u3057\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u6bd4\u8f03\u3067\u306f\u3001\u8868\u9762\u309280\u2103\u306b\u4fdd\u3064\u305f\u3081\u306b\u5fc5\u8981\u306a\u71b1\u3092\u305d\u308c\u305e\u308c\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-thermal-diffusivity-depth-time-20261023-figure-ad95fa00f5ca.png\" alt=\"\u8868\u9762\u309280\u2103\u306b\u4fdd\u3063\u305f100\u79d2\u5f8c\u306e\u72ec\u81ea\u8a08\u7b97\u3002\u521d\u671f\u6e29\u5ea6\u306f20\u2103\u3002\u71b1\u62e1\u6563\u73871.0\u00d710\u306e\u30de\u30a4\u30ca\u30b96\u4e57\u306eA\u306f\u6df1\u305510mm\u306748.8\u2103\u3001\u305d\u306e4\u5206\u306e1\u306eB\u306f29.4\u2103\u3002\u5965\u306b\u9032\u3080\u307b\u3069\u4e21\u65b9\u3068\u308220\u2103\u306b\u8fd1\u3065\u304f\u3002\" style=\"max-width:100%;height:auto\"><figcaption>\u4eee\u60f3\u6750\u6599A\u30fbB\u306e\u6e29\u5ea6\u5206\u5e03\u3002\u8868\u9762\u6e29\u5ea6\u4e00\u5b9a\u30fb\u534a\u7121\u9650\u56fa\u4f53\u306e\u5f0f\u3092\u4f7f\u3063\u305f\u72ec\u81ea\u8a08\u7b97\u3067\u3001\u6e2c\u5b9a\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<h2>\u6e29\u307e\u308a\u65b9\u3092\u6c7a\u3081\u308b\u306e\u306f\u3001\u6df1\u3055\u3068\u6642\u9593\u306e\u7d44\u5408\u305b<\/h2>\n<p>\u3053\u306e\u6761\u4ef6\u3067\u306e\u6e29\u5ea6\u306f\u3001\u8868\u9762\u304b\u3089\u306e\u6df1\u3055\u3092<em>x<\/em>\u3001\u52a0\u71b1\u958b\u59cb\u304b\u3089\u306e\u6642\u9593\u3092<em>t<\/em>\u3068\u3057\u3066\u3001\u6b21\u306e\u5f0f\u3067\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002[1]<\/p>\n<p><strong>(T \u2212 20) \/ (80 \u2212 20) = erfc(x \/ (2\u221a(\u03b1t)))<\/strong><\/p>\n<p>\u5de6\u5074\u306f\u3001\u8868\u9762\u306e\u6e29\u5ea6\u5909\u531660\u2103\u306e\u3046\u3061\u3001\u305d\u306e\u5834\u6240\u304c\u4f55\u5272\u307e\u3067\u6e29\u307e\u3063\u305f\u304b\u3092\u8868\u3057\u307e\u3059\u3002erfc\u306f\u76f8\u88dc\u8aa4\u5dee\u95a2\u6570\u3068\u3044\u3046\u6570\u5b66\u306e\u95a2\u6570\u3067\u3001\u5f15\u6570\u304c0\u306a\u30891\u3001\u5927\u304d\u304f\u306a\u308b\u307b\u30690\u306b\u8fd1\u3065\u304d\u307e\u3059\u3002\u8868\u9762\u3067\u306f\u6e29\u5ea6\u5909\u5316\u304c100%\u53cd\u6620\u3055\u308c\u3001\u5965\u306b\u9032\u3080\u307b\u3069\u5909\u5316\u304c\u5c0f\u3055\u304f\u306a\u308b\u69d8\u5b50\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070A\u306e\u6df1\u305510mm\u30fb100\u79d2\u3067\u306f\u3001\u95a2\u6570\u306e\u5f15\u6570\u306f0.5\u3067\u3059\u3002erfc(0.5)\u306f\u7d040.4795\u306a\u306e\u3067\u3001\u6e29\u5ea6\u306f20\uff0b60\u00d70.4795\uff1d\u7d0448.8\u2103\u306b\u306a\u308a\u307e\u3059\u3002B\u3067\u306f\u5f15\u6570\u304c1\u3068\u306a\u308a\u300120\uff0b60\u00d70.1573\uff1d\u7d0429.4\u2103\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u5f0f\u3067\u306f\u3001\u6df1\u3055\u3068\u6642\u9593\u306fx\/\u221a(\u03b1t)\u3068\u3044\u3046\u7d44\u5408\u305b\u3067\u73fe\u308c\u307e\u3059\u3002\u540c\u3058\u6750\u6599\u3067\u3001\u540c\u3058\u5272\u5408\u306e\u6e29\u5ea6\u5909\u5316\u306b\u9054\u3059\u308b\u5834\u6240\u3092\u8ffd\u3046\u306a\u3089\u3001\u6df1\u3055\u306f\u221at\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002A\u306e\u6df1\u305510mm\u304c100\u79d2\u3067\u7d0448.8\u2103\u306b\u306a\u308b\u306e\u306b\u5bfe\u3057\u3001\u6df1\u305520mm\u304c\u540c\u3058\u6e29\u5ea6\u306b\u306a\u308b\u306e\u306f400\u79d2\u5f8c\u3067\u3059\u3002\u6df1\u3055\u30922\u500d\u306b\u3059\u308b\u306b\u306f\u3001\u6642\u9593\u30924\u500d\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u540c\u69d8\u306b\u3001B\u306e\u71b1\u62e1\u6563\u7387\u306fA\u306e4\u5206\u306e1\u306a\u306e\u3067\u3001\u540c\u3058\u6df1\u3055\u3067\u540c\u3058\u6e29\u5ea6\u306b\u9054\u3059\u308b\u306b\u306f4\u500d\u306e\u6642\u9593\u304c\u5fc5\u8981\u3067\u3059\u3002B\u306e\u6df1\u305510mm\u306f400\u79d2\u5f8c\u306b\u7d0448.8\u2103\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001400\u79d2\u5f8c\u306b\u3082\u53cd\u5bfe\u9762\u306e\u5f71\u97ff\u3092\u7121\u8996\u3067\u304d\u308b\u3068\u3044\u3046\u6761\u4ef6\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2>\u300c\u71b1\u304c\u5c4a\u3044\u305f\u5883\u754c\u300d\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u306a\u3044<\/h2>\n<p>\u6e29\u5ea6\u5909\u5316\u304c\u76ee\u7acb\u3064\u7bc4\u56f2\u3092\u300c\u71b1\u304c\u6d78\u900f\u3057\u305f\u6df1\u3055\u300d\u3068\u547c\u3076\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3001\u3053\u306e\u62e1\u6563\u30e2\u30c7\u30eb\u3067\u306f\u3001\u3042\u308b\u6df1\u3055\u3092\u5883\u306b\u6e29\u5ea6\u5909\u5316\u304c\u53b3\u5bc6\u306b\u30bc\u30ed\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u66f2\u7dda\u306f\u6ed1\u3089\u304b\u306b\u521d\u671f\u6e29\u5ea6\u3078\u8fd1\u3065\u304d\u307e\u3059\u3002\u3069\u3053\u307e\u3067\u6e29\u307e\u3063\u305f\u304b\u3092\u6bd4\u3079\u308b\u306a\u3089\u3001\u300c\u521d\u671f\u6e29\u5ea6\u304b\u308910\u2103\u4e0a\u304c\u308b\u300d\u300c\u8868\u9762\u306e\u6e29\u5ea6\u5909\u5316\u306e\u534a\u5206\u306b\u9054\u3059\u308b\u300d\u306a\u3069\u3001\u57fa\u6e96\u3092\u305d\u308d\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u3053\u3053\u3067\u4e00\u5b9a\u306b\u3057\u305f\u306e\u306f<strong>\u6750\u6599\u306e\u8868\u9762\u6e29\u5ea6<\/strong>\u3067\u3059\u3002\u5468\u56f2\u306e\u7a7a\u6c17\u309280\u2103\u306b\u4fdd\u3064\u3053\u3068\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u7a7a\u6c17\u304b\u3089\u8868\u9762\u3078\u71b1\u304c\u6e21\u308b\u901f\u3055\u304c\u9650\u3089\u308c\u308c\u3070\u3001\u8868\u9762\u306f\u3059\u3050\u306b80\u2103\u306b\u306f\u306a\u3089\u305a\u3001\u71b1\u4f1d\u9054\u7387\u3082\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u71b1\u6e90\u3068\u306e\u63a5\u89e6\u306b\u62b5\u6297\u304c\u3042\u308b\u5834\u5408\u3084\u3001\u8907\u6570\u306e\u5c64\u3092\u91cd\u306d\u305f\u5834\u5408\u3082\u3001\u305d\u306e\u6761\u4ef6\u3092\u8ffd\u52a0\u3057\u3066\u8003\u3048\u307e\u3059\u3002<\/p>\n<h2>\u6750\u6599\u3092\u6bd4\u3079\u308b\u524d\u306b\u3001\u4f55\u3092\u65e9\u304f\u3057\u305f\u3044\u304b\u3092\u6c7a\u3081\u308b<\/h2>\n<p>\u52a0\u71b1\u5de5\u7a0b\u3067\u5185\u90e8\u306e\u3042\u308b\u6df1\u3055\u3092\u76ee\u6a19\u6e29\u5ea6\u3078\u65e9\u304f\u8fd1\u3065\u3051\u305f\u3044\u306a\u3089\u3001\u71b1\u62e1\u6563\u7387\u306f\u6bd4\u8f03\u306e\u5165\u308a\u53e3\u306b\u306a\u308a\u307e\u3059\u3002\u540c\u3058\u52a0\u71b1\u6761\u4ef6\u30fb\u540c\u3058\u5bf8\u6cd5\u306a\u3089\u3001\u4eca\u56de\u306e\u3088\u3046\u306a\u30e2\u30c7\u30eb\u3067\u306f\u03b1\u304c\u5927\u304d\u3044\u307b\u3069\u5185\u90e8\u306e\u6e29\u5ea6\u5909\u5316\u304c\u65e9\u304f\u9032\u307f\u307e\u3059\u3002\u4e00\u65b9\u3001\u4e00\u6642\u7684\u306a\u6e29\u5ea6\u5909\u5316\u3092\u6291\u3048\u305f\u3044\u306e\u304b\u3001\u5b9a\u5e38\u7684\u306b\u901a\u308b\u71b1\u3092\u6e1b\u3089\u3057\u305f\u3044\u306e\u304b\u3067\u306f\u3001\u898b\u308b\u3079\u304d\u6027\u8cea\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u71b1\u62e1\u6563\u7387\u304c\u5c0f\u3055\u3044\u3068\u3044\u3046\u4e00\u70b9\u3060\u3051\u3067\u3001\u65ad\u71b1\u6750\u3068\u3057\u3066\u512a\u308c\u3066\u3044\u308b\u3068\u306f\u8a00\u3044\u5207\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u5b9f\u969b\u306b\u6bd4\u8f03\u3059\u308b\u3068\u304d\u306f\u3001\u307e\u305a\u76ee\u7684\u306e\u6df1\u3055\u3068\u6e29\u5ea6\u3001\u52a0\u71b1\u6642\u9593\u3092\u6c7a\u3081\u3001\u6b21\u306b\u305d\u306e\u6e29\u5ea6\u7bc4\u56f2\u3067\u306ek\u30fb\u03c1\u30fbc\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u539a\u3055\u304c\u6709\u9650\u3067\u3042\u308b\u5f71\u97ff\u3001\u8868\u9762\u3078\u306e\u71b1\u306e\u6e21\u3057\u65b9\u3001\u7269\u6027\u5024\u306e\u6e29\u5ea6\u4f9d\u5b58\u3084\u878d\u89e3\u306a\u3069\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3092\u70b9\u691c\u3059\u308b\u3068\u3001\u5358\u4e00\u306e\u7269\u6027\u5024\u306e\u5927\u5c0f\u304b\u3089\u4e00\u6b69\u9032\u3093\u3060\u5224\u65ad\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u53c2\u8003\u8cc7\u6599<\/h2>\n<ol>\n<li>John H. Lienhard V\u30fbJohn H. Lienhard IV, <a href=\"https:\/\/bpb-us-e1.wpmucdn.com\/sites.mit.edu\/dist\/6\/1810\/files\/2024\/04\/AHTTv600.pdf\">A Heat Transfer Textbook, Sixth Edition, Version 6.00\uff082024\u5e744\u670819\u65e5\uff09<\/a>\u3002\u00a71.3 p.18\u3001\u00a75.6 pp.221\u2013226\u3001\u5f0f5.44\u20135.53\u3002<\/li>\n<li>MIT OpenCourseWare, 3.044 Materials Processing\uff08Spring 2013\uff09, <a href=\"https:\/\/ocw.mit.edu\/courses\/3-044-materials-processing-spring-2013\/6b75f358c8da03e1a3ea70a6e2098dd5_MIT3_044S13_TranHeaCondSol.pdf\">Transient heat conduction solutions<\/a>\u3002\u8868\u9762\u6e29\u5ea6\u4e00\u5b9a\u306e\u534a\u7121\u9650\u56fa\u4f53\u3068\u6709\u9650\u5e73\u677f\u306e\u89e3\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u6750\u6599\u306e\u7247\u9762\u3092\u6e29\u3081\u305f\u3068\u304d\u3001\u8868\u9762\u3060\u3051\u3067\u306a\u304f\u5185\u5074\u3082\u65e9\u304f\u6e29\u307e\u308b\u304b\u3092\u77e5\u308a\u305f\u3044\u3002\u305d\u3093\u306a\u5834\u9762\u3067\u306f\u3001\u71b1\u4f1d\u5c0e\u7387\u306e\u5927\u304d\u3055\u306b\u52a0\u3048\u3066\u3001\u6e29\u5ea6\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u3069\u308c\u3060\u3051\u306e\u71b1\u304c\u5fc5\u8981\u304b\u3082\u95a2\u308f\u308a\u307e\u3059\u3002\u540c\u3058\u71b1\u4f1d\u5c0e\u7387\u3092\u6301\u3064\u6750\u6599\u3067\u3082\u3001\u540c\u3058\u6642\u9593\u5f8c\u306e\u5185\u90e8\u6e29\u5ea6\u304c\u540c\u3058\u306b\u306a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1488,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[34],"tags":[297],"class_list":["post-1490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-manufacturing","tag-thermal-diffusivity"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-thermal-diffusivity-depth-time-20261023-featured-a03b581968ef.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1490"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1490\/revisions"}],"predecessor-version":[{"id":1491,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1490\/revisions\/1491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1488"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}