{"id":383554,"date":"2024-06-26T15:42:24","date_gmt":"2024-06-26T14:42:24","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/4%e3%81%a4%e3%81%ae%e5%af%be%e6%b5%81%e7%86%b1%e4%bc%9d%e9%81%94%e6%8a%80%e8%a1%93\/"},"modified":"2024-06-26T15:42:24","modified_gmt":"2024-06-26T14:42:24","slug":"4%e3%81%a4%e3%81%ae%e5%af%be%e6%b5%81%e7%86%b1%e4%bc%9d%e9%81%94%e6%8a%80%e8%a1%93","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ja\/4%e3%81%a4%e3%81%ae%e5%af%be%e6%b5%81%e7%86%b1%e4%bc%9d%e9%81%94%e6%8a%80%e8%a1%93\/","title":{"rendered":"4\u3064\u306e\u5bfe\u6d41\u71b1\u4f1d\u9054\u6280\u8853"},"content":{"rendered":"<p class=\"sidekick\">\u5bfe\u6d41\u71b1\u4f1d\u9054\u306f\u71b1\u304c\u6db2\u4f53\u3084\u6c17\u4f53\u306e\u6d41\u308c\u3067\u79fb\u52d5\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u81ea\u7136\u5bfe\u6d41\u3001\u5f37\u5236\u5bfe\u6d41\u3001\u6df7\u5408\u5bfe\u6d41\u3001\u8868\u9762\u5f37\u5316\u6280\u8853\u306e4\u3064\u3092\u89e3\u8aac\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/4\u3064\u306e\u5bfe\u6d41\u71b1\u4f1d\u9054\u6280\u8853.png\" alt=\"4\u3064\u306e\u5bfe\u6d41\u71b1\u4f1d\u9054\u6280\u8853\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>4\u3064\u306e\u5bfe\u6d41\u71b1\u4f1d\u9054\u6280\u8853<\/h2>\n<p>\u5bfe\u6d41\u71b1\u4f1d\u9054\u306f\u3001\u71b1\u304c\u6db2\u4f53\u3084\u6c17\u4f53\u306e\u6d41\u308c\u306b\u3088\u3063\u3066\u79fb\u52d5\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u3053\u306e\u6280\u8853\u306f\u51b7\u5374\u3084\u52a0\u71b1\u306e\u52b9\u679c\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u5e45\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u30014\u3064\u306e\u4e3b\u8981\u306a\u5bfe\u6d41\u71b1\u4f1d\u9054\u6280\u8853\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u81ea\u7136\u5bfe\u6d41<\/li>\n<li>\u5f37\u5236\u5bfe\u6d41<\/li>\n<li>\u6df7\u5408\u5bfe\u6d41<\/li>\n<li>\u8868\u9762\u5f37\u5316\u6280\u8853<\/li>\n<\/ul>\n<h3>\u81ea\u7136\u5bfe\u6d41<\/h3>\n<p>\u81ea\u7136\u5bfe\u6d41\u3067\u306f\u3001\u6db2\u4f53\u3084\u6c17\u4f53\u304c\u6e29\u5ea6\u5dee\u306b\u3088\u3063\u3066\u81ea\u767a\u7684\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6696\u307e\u3063\u305f\u7a7a\u6c17\u304c\u4e0a\u6607\u3057\u3001\u51b7\u305f\u3044\u7a7a\u6c17\u304c\u305d\u306e\u4ee3\u308f\u308a\u306b\u4e0b\u964d\u3059\u308b\u73fe\u8c61\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u6b21\u306e\u5f0f\u306b\u3088\u3063\u3066\u8aac\u660e\u3055\u308c\u307e\u3059:<\/p>\n<p>\n\\[ Nu = C \\cdot (Ra)^n \\]\n<\/p>\n<p>\u3053\u3053\u3067\u3001Nu\u306f\u30cc\u30c3\u30bb\u30eb\u30c8\u6570\u3001Ra\u306f\u30ec\u30a4\u30ea\u30fc\u6570\u3001C\u3068n\u306f\u5b9a\u6570\u3067\u3059\u3002<\/p>\n<h3>\u5f37\u5236\u5bfe\u6d41<\/h3>\n<p>\u5f37\u5236\u5bfe\u6d41\u3067\u306f\u3001\u30dd\u30f3\u30d7\u3084\u30d5\u30a1\u30f3\u3068\u3044\u3063\u305f\u5916\u90e8\u88c5\u7f6e\u3092\u4f7f\u7528\u3057\u3066\u6db2\u4f53\u3084\u6c17\u4f53\u3092\u79fb\u52d5\u3055\u305b\u3001\u71b1\u4f1d\u9054\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u52b9\u7387\u7684\u3067\u3001\u5de5\u696d\u30d7\u30ed\u30bb\u30b9\u3084\u6a5f\u5668\u306e\u51b7\u5374\u306a\u3069\u3067\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\n\\[ Nu = C \\cdot (Re)^m \\cdot (Pr)^n \\]\n<\/p>\n<p>\u3053\u3053\u3067\u3001Re\u306f\u30ec\u30a4\u30ce\u30eb\u30ba\u6570\u3001Pr\u306f\u30d7\u30e9\u30f3\u30c8\u30eb\u6570\u3001C\u3001m\u3001n\u306f\u5b9a\u6570\u3067\u3059\u3002<\/p>\n<h3>\u6df7\u5408\u5bfe\u6d41<\/h3>\n<p>\u6df7\u5408\u5bfe\u6d41\u306f\u3001\u81ea\u7136\u5bfe\u6d41\u3068\u5f37\u5236\u5bfe\u6d41\u304c\u540c\u6642\u306b\u8d77\u3053\u308b\u73fe\u8c61\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u306f\u3001\u4e21\u65b9\u306e\u5bfe\u6d41\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u71b1\u4f1d\u9054\u306b\u5bc4\u4e0e\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u89e3\u6790\u3084\u8a2d\u8a08\u306b\u306f\u3001\u6b21\u306e\u7121\u6b21\u5143\u6570\u3092\u7528\u3044\u307e\u3059:<\/p>\n<p>\n\\[ Gr = \\frac{g \\cdot \\beta \\cdot \\Delta T \\cdot L^3}{\\nu^2} \\]\n<\/p>\n<p>\u3053\u3053\u3067\u3001Gr\u306f\u30b0\u30e9\u30b7\u30e5\u30d5\u6570\u3067\u3001g\u306f\u91cd\u529b\u52a0\u901f\u5ea6\u3001\u03b2\u306f\u4f53\u7a4d\u81a8\u5f35\u4fc2\u6570\u3001\u0394T\u306f\u6e29\u5ea6\u5dee\u3001L\u306f\u7279\u6027\u9577\u3001\u03bd\u306f\u52d5\u7c98\u5ea6\u3067\u3059\u3002<\/p>\n<h3>\u8868\u9762\u5f37\u5316\u6280\u8853<\/h3>\n<p>\u8868\u9762\u5f37\u5316\u6280\u8853\u306f\u3001\u7279\u5b9a\u306e\u8868\u9762\u51e6\u7406\u3084\u8a2d\u8a08\u3092\u7528\u3044\u3066\u71b1\u4f1d\u9054\u3092\u5411\u4e0a\u3055\u305b\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30d5\u30a3\u30f3\u3084\u30de\u30a4\u30af\u30ed\u30c1\u30e3\u30cd\u30eb\u3001\u8868\u9762\u7c97\u3055\u3044\u3063\u305f\u6280\u8853\u306b\u3088\u308a\u3001\u71b1\u4f1d\u9054\u9762\u7a4d\u304c\u5897\u52a0\u3057\u3001\u5bfe\u6d41\u71b1\u4f1d\u9054\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u96fb\u5b50\u6a5f\u5668\u306e\u51b7\u5374\u3084\u71b1\u4ea4\u63db\u5668\u306e\u52b9\u7387\u5411\u4e0a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u71b1\u5de5\u5b66\u306e\u5206\u91ce\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u6700\u9069\u306a\u51b7\u5374\u3084\u52a0\u71b1\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u4eca\u5f8c\u306e\u6280\u8853\u958b\u767a\u3068\u5fdc\u7528\u306b\u3088\u308a\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfe\u6d41\u71b1\u4f1d\u9054\u306f\u71b1\u304c\u6db2\u4f53\u3084\u6c17\u4f53\u306e\u6d41\u308c\u3067\u79fb\u52d5\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u81ea\u7136\u5bfe\u6d41\u3001\u5f37\u5236\u5bfe\u6d41\u3001\u6df7\u5408\u5bfe\u6d41\u3001\u8868\u9762\u5f37\u5316\u6280\u8853\u306e4\u3064\u3092\u89e3\u8aac\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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