{"id":415696,"date":"2024-06-28T06:42:22","date_gmt":"2024-06-28T05:42:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%e6%b6%b2%e4%bd%93%e3%81%ae%e7%b2%98%e5%ba%a6%e3%81%ae%e5%8e%9f%e7%90%86\/"},"modified":"2024-06-28T06:42:22","modified_gmt":"2024-06-28T05:42:22","slug":"%e6%b6%b2%e4%bd%93%e3%81%ae%e7%b2%98%e5%ba%a6%e3%81%ae%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ja\/%e6%b6%b2%e4%bd%93%e3%81%ae%e7%b2%98%e5%ba%a6%e3%81%ae%e5%8e%9f%e7%90%86\/","title":{"rendered":"\u6db2\u4f53\u306e\u7c98\u5ea6\u306e\u539f\u7406"},"content":{"rendered":"<p class=\"sidekick\">\u6db2\u4f53\u306e\u7c98\u5ea6\u306f\u6d41\u52d5\u6027\u306e\u62b5\u6297\u3092\u793a\u3057\u3001\u6e29\u5ea6\u3001\u5727\u529b\u3001\u6fc3\u5ea6\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u3053\u306e\u7269\u7406\u7279\u6027\u306f\u7523\u696d\u754c\u3067\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\u6db2\u4f53\u306e\u7c98\u5ea6\u306e\u539f\u7406.png\" alt=\"\u6db2\u4f53\u306e\u7c98\u5ea6\u306e\u539f\u7406\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6db2\u4f53\u306e\u7c98\u5ea6\u306e\u539f\u7406<\/h2>\n<p>\u6db2\u4f53\u306e\u7c98\u5ea6\u306f\u3001\u305d\u306e\u6d41\u52d5\u6027\u306e\u62b5\u6297\u3092\u793a\u3059\u6307\u6a19\u3067\u3042\u308a\u3001\u6db2\u4f53\u306e\u57fa\u672c\u7684\u306a\u7279\u6027\u306e\u4e00\u3064\u3067\u3059\u3002\u7c98\u5ea6\u304c\u9ad8\u3044\u6db2\u4f53\u306f\u3001\u6d41\u308c\u308b\u306e\u304c\u96e3\u3057\u304f\u306a\u308b\u4e00\u65b9\u3067\u3001\u7c98\u5ea6\u304c\u4f4e\u3044\u6db2\u4f53\u306f\u7c21\u5358\u306b\u6d41\u308c\u307e\u3059\u3002\u3053\u306e\u7279\u6027\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u7523\u696d\u3084\u6280\u8853\u5206\u91ce\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u6db2\u4f53\u306e\u7c98\u5ea6\u306e\u539f\u7406\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u7c98\u5ea6\u306e\u5b9a\u7fa9<\/h2>\n<p>\u7c98\u5ea6\u3068\u306f\u3001\u6d41\u4f53\u304c\u6d41\u308c\u3088\u3046\u3068\u3059\u308b\u969b\u306b\u5185\u90e8\u6469\u64e6\u306b\u3088\u3063\u3066\u767a\u751f\u3059\u308b\u62b5\u6297\u306e\u5ea6\u5408\u3044\u3067\u3059\u3002\u7c98\u5ea6\u306f\u3001\u901a\u5e38\u3001\u52d5\u7c98\u5ea6\u3084\u52d5\u529b\u7c98\u5ea6\u3068\u3044\u3046\u5f62\u3067\u8868\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u52d5\u7c98\u5ea6\u306f\u3001\u6db2\u4f53\u306e\u5bc6\u5ea6\u3092\u8003\u616e\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u52d5\u529b\u7c98\u5ea6\u306f\u5bc6\u5ea6\u3092\u8003\u616e\u3057\u307e\u305b\u3093\u3002<\/p>\n<h2>\u7c98\u5ea6\u306e\u5358\u4f4d\u3068\u6e2c\u5b9a<\/h2>\n<p>\u7c98\u5ea6\u306e\u5358\u4f4d\u306f\u3001\u30d1\u30b9\u30ab\u30eb\u79d2 (Pa\u00b7s) \u3084\u30dd\u30a2\u30ba (P) \u304c\u4f7f\u308f\u308c\u307e\u3059\u30021 Pa\u00b7s \u306f 10 P \u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u52d5\u7c98\u5ea6\u306f\u30b9\u30c8\u30fc\u30af\u30b9 (St) \u3068\u3044\u3046\u5358\u4f4d\u3067\u8868\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u52d5\u529b\u7c98\u5ea6\u306e\u5358\u4f4d: \u30d1\u30b9\u30ab\u30eb\u79d2 (Pa\u00b7s), \u30dd\u30a2\u30ba (P)<\/li>\n<li>\u52d5\u7c98\u5ea6\u306e\u5358\u4f4d: \u30b9\u30c8\u30fc\u30af\u30b9 (St)<\/li>\n<\/ul>\n<h2>\u30cb\u30e5\u30fc\u30c8\u30f3\u6d41\u4f53\u3068\u975e\u30cb\u30e5\u30fc\u30c8\u30f3\u6d41\u4f53<\/h2>\n<p>\u6d41\u4f53\u306e\u7c98\u5ea6\u306f\u3001\u305d\u306e\u5c64\u306e\u9593\u306b\u4f5c\u7528\u3059\u308b\u305b\u3093\u65ad\u5fdc\u529b (shear stress) \u3068\u305b\u3093\u65ad\u901f\u5ea6 (shear rate) \u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u30cb\u30e5\u30fc\u30c8\u30f3\u6d41\u4f53\u306f\u3001\u305b\u3093\u65ad\u5fdc\u529b\u3068\u305b\u3093\u65ad\u901f\u5ea6\u304c\u6bd4\u4f8b\u95a2\u4fc2\u306b\u3042\u308b\u6d41\u4f53\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u4ee5\u4e0b\u306e\u5f0f\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\\[ \\tau = \\eta \\cdot \\frac{du}{dy} \\]\n<p>\u3053\u3053\u3067\u3001\\(\\tau\\) \u306f\u305b\u3093\u65ad\u5fdc\u529b\u3001\\(\\eta\\) \u306f\u7c98\u5ea6\u3001\\(\\frac{du}{dy}\\) \u306f\u305b\u3093\u65ad\u901f\u5ea6\u3067\u3059\u3002<\/p>\n<p>\u975e\u30cb\u30e5\u30fc\u30c8\u30f3\u6d41\u4f53\u306f\u3001\u305b\u3093\u65ad\u5fdc\u529b\u3068\u305b\u3093\u65ad\u901f\u5ea6\u304c\u4e00\u5b9a\u306e\u6bd4\u4f8b\u95a2\u4fc2\u306b\u306a\u3044\u6d41\u4f53\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u4f8b\u3048\u3070\u3001\u8840\u6db2\u3084\u30b7\u30e3\u30f3\u30d7\u30fc\u306a\u3069\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6d41\u4f53\u306e\u7c98\u5ea6\u306f\u3001\u6642\u9593\u3084\u305b\u3093\u65ad\u901f\u5ea6\u306b\u3088\u3063\u3066\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<h2>\u7c98\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0<\/h2>\n<p>\u6db2\u4f53\u306e\u7c98\u5ea6\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8981\u56e0\u304c\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u6e29\u5ea6: \u4e00\u822c\u7684\u306b\u3001\u6db2\u4f53\u306e\u6e29\u5ea6\u304c\u4e0a\u6607\u3059\u308b\u3068\u7c98\u5ea6\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5206\u5b50\u9593\u306e\u7d50\u5408\u304c\u5f31\u304f\u306a\u308a\u3001\u6db2\u4f53\u304c\u6d41\u308c\u3084\u3059\u304f\u306a\u308b\u305f\u3081\u3067\u3059\u3002<\/li>\n<li>\u5727\u529b: \u5727\u529b\u304c\u5897\u52a0\u3059\u308b\u3068\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u6db2\u4f53\u306e\u7c98\u5ea6\u306f\u5897\u52a0\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u52b9\u679c\u306f\u6e29\u5ea6\u307b\u3069\u9855\u8457\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li>\u6fc3\u5ea6: \u6db2\u4f53\u4e2d\u306e\u6eb6\u8cea\u306e\u6fc3\u5ea6\u304c\u9ad8\u304f\u306a\u308b\u3068\u3001\u7c98\u5ea6\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u7279\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u5de5\u696d\u7528\u6db2\u4f53\u3084\u98df\u54c1\u306a\u3069\u3067\u3059\u3002<\/li>\n<\/ol>\n<h2>\u7c98\u5ea6\u306e\u6e2c\u5b9a\u88c5\u7f6e<\/h2>\n<p>\u6db2\u4f53\u306e\u7c98\u5ea6\u3092\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306e\u6a5f\u5668\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ad\u30e3\u30d4\u30e9\u30ea\u30fc\u30d9\u30b9\u30b3\u30b7\u30e1\u30fc\u30bf\u30fc: \u6db2\u4f53\u304c\u7d30\u3044\u7ba1\u3092\u901a\u308b\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u3066\u3001\u7c98\u5ea6\u3092\u8a08\u7b97\u3059\u308b\u88c5\u7f6e\u3067\u3059\u3002<\/li>\n<li>\u30ed\u30fc\u30bf\u30ea\u30fc\u30d9\u30b9\u30b3\u30b7\u30e1\u30fc\u30bf\u30fc: \u6db2\u4f53\u306b\u5bfe\u3057\u3066\u56de\u8ee2\u904b\u52d5\u3092\u52a0\u3048\u3001\u305d\u306e\u62b5\u6297\u529b\u304b\u3089\u7c98\u5ea6\u3092\u7b97\u51fa\u3059\u308b\u88c5\u7f6e\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u88c5\u7f6e\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u6db2\u4f53\u306e\u7c98\u5ea6\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u6db2\u4f53\u306e\u7c98\u5ea6\u306f\u3001\u591a\u304f\u306e\u5206\u91ce\u3067\u975e\u5e38\u306b\u91cd\u8981\u306a\u7269\u7406\u7684\u7279\u6027\u3067\u3059\u3002\u6e29\u5ea6\u3084\u5727\u529b\u3001\u6fc3\u5ea6\u306a\u3069\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u5909\u52d5\u3059\u308b\u305f\u3081\u3001\u3053\u308c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u7523\u696d\u754c\u3067\u306e\u5fdc\u7528\u3084\u79d1\u5b66\u7814\u7a76\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u57fa\u672c\u7684\u306a\u7406\u89e3\u3092\u3082\u3068\u306b\u3001\u3055\u3089\u306b\u8208\u5473\u3092\u6301\u3063\u3066\u5b66\u3093\u3067\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6db2\u4f53\u306e\u7c98\u5ea6\u306f\u6d41\u52d5\u6027\u306e\u62b5\u6297\u3092\u793a\u3057\u3001\u6e29\u5ea6\u3001\u5727\u529b\u3001\u6fc3\u5ea6\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u3053\u306e\u7269\u7406\u7279\u6027\u306f\u7523\u696d\u754c\u3067\u91cd\u8981\u3067\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[125],"tags":[],"yoast_head":"<!-- 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property=\"og:description\" content=\"\u6db2\u4f53\u306e\u7c98\u5ea6\u306f\u6d41\u52d5\u6027\u306e\u62b5\u6297\u3092\u793a\u3057\u3001\u6e29\u5ea6\u3001\u5727\u529b\u3001\u6fc3\u5ea6\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u3053\u306e\u7269\u7406\u7279\u6027\u306f\u7523\u696d\u754c\u3067\u91cd\u8981\u3067\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/ja\/\u6db2\u4f53\u306e\u7c98\u5ea6\u306e\u539f\u7406\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-28T05:42:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\u6db2\u4f53\u306e\u7c98\u5ea6\u306e\u539f\u7406.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta 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