{"id":18612,"date":"2024-01-15T05:28:17","date_gmt":"2024-01-15T05:28:17","guid":{"rendered":"https:\/\/science-hub.click\/%E3%82%B9%E3%83%88%E3%83%BC%E3%82%AF%E3%82%B9%E3%83%95%E3%83%AD%E3%83%BC%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC\/"},"modified":"2024-01-15T05:28:17","modified_gmt":"2024-01-15T05:28:17","slug":"%E3%82%B9%E3%83%88%E3%83%BC%E3%82%AF%E3%82%B9%E3%83%95%E3%83%AD%E3%83%BC%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=18612","title":{"rendered":"\u30b9\u30c8\u30fc\u30af\u30b9\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"<div><div><h2>\u5c0e\u5165<\/h2><p><i>\u7c98\u6027<\/i>\u6d41\u4f53\u304c<i>\u72ed\u3044<\/i>\u5834\u6240\u3084<i>\u5c0f\u3055\u306a<\/i>\u7269\u4f53\u306e\u5468\u56f2\u3092<i>\u3086\u3063\u304f\u308a\u3068<\/i>\u6d41\u308c\u308b\u5834\u5408\u3001\u7c98\u6027\u306e\u5f71\u97ff\u304c\u6163\u6027\u306e\u5f71\u97ff\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u6d41\u308c\u306f<b>\u30b9\u30c8\u30fc\u30af\u30b9\u6d41<\/b>(\u307e\u305f\u306f<b>\u30af\u30ea\u30fc\u30d4\u30f3\u30b0\u6d41<\/b>\u3001\u5b8c\u5168<span><a href=\"https:\/\/science-hub.click\/?p=93205\">\u6d41\u4f53<\/a><\/span>\u3068\u306f\u5bfe\u7167\u7684\u306b<span><a href=\"https:\/\/science-hub.click\/?p=72297\">\u30b9\u30c8\u30fc\u30af\u30b9\u6d41\u4f53<\/a><\/span>\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059) \u3068\u547c\u3070\u308c\u307e\u3059\u3002\u5b9f\u969b\u3001\u3053\u308c\u306f\u30ca\u30d3\u30a8\u30fb\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306e\u7c21\u7565\u5316\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u3064\u307e\u308a\u6163\u6027\u9805\u304c\u5b58\u5728\u3057\u306a\u3044<i>\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f<\/i>\u306b\u3088\u3063\u3066\u652f\u914d\u3055\u308c\u307e\u3059\u3002<span><a href=\"https:\/\/science-hub.click\/?p=172\">\u30ec\u30a4\u30ce\u30eb\u30ba\u6570\u306f\u3001<\/a><\/span>\u30ca\u30d3\u30a8\u30fb\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306b\u304a\u3051\u308b\u7c98\u6027\u9805\u3068\u6163\u6027\u9805\u306e\u76f8\u5bfe\u7684\u306a<span><a href=\"https:\/\/science-hub.click\/?p=108253\">\u91cd\u307f<\/a><\/span>\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b9\u30c8\u30fc\u30af\u30b9\u6d41\u306f\u3001\u4f4e\u3044\u30ec\u30a4\u30ce\u30eb\u30ba<span><a href=\"https:\/\/science-hub.click\/?p=71097\">\u6570<\/a><\/span>(1 \u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5c0f\u3055\u3044) \u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p><p>\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306b\u3088\u308a\u3001\u7279\u306b\u30de\u30a4\u30af\u30ed\u6d41\u4f53\u30c7\u30d0\u30a4\u30b9\u5185\u306e<span><a href=\"https:\/\/science-hub.click\/?p=99251\">\u6db2\u4f53\u306e<\/a><\/span>\u6d41\u308c\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u30af\u30a8\u30c3\u30c8\u6d41\u304a\u3088\u3073\u30dd\u30a2\u30ba\u30a4\u30e6\u6d41\u3082\u3053\u306e\u65b9\u7a0b\u5f0f\u3067\u8a18\u8ff0\u3055\u308c\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u30b9\u30c8\u30fc\u30af\u30b9\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/VG9Uj49iUqs\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2>\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f<\/h2><p>\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306f\u3001\u5b9a\u5e38\u72b6\u614b\u304a\u3088\u3073\u4f4e\u30ec\u30a4\u30ce\u30eb\u30ba\u6570\u306b\u304a\u3051\u308b\u975e\u5727\u7e2e\u6027\u30cb\u30e5\u30fc\u30c8\u30f3\u6d41\u4f53\u306e\u6d41\u308c\u3092\u8a18\u8ff0\u3057\u3001\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3055\u308c\u307e\u3059\u3002 <\/p><p><div class=\"math-formual notranslate\">$$ {\\eta \\Delta \\vec{v} = \\overrightarrow{\\mathrm{grad}}\\,p &#8211; \\rho \\vec{f}} $$<\/div> \u3001<\/p><p>\u307e\u305f\u306f \uff1a <\/p><ul><li><div class=\"math-formual notranslate\">$$ {\\vec{v} (\\vec{r})} $$<\/div>\u306f\u6d41\u4f53\u901f\u5ea6\u3067\u3059\u3002 <\/li><li><div class=\"math-formual notranslate\">$$ { p (\\vec{r})} $$<\/div>\u6d41\u4f53\u5185\u306e\u5727\u529b\u3067\u3059\u3002<\/li><li> <span>\u03c1 \u306f<\/span>\u6d41\u4f53\u306e<span><a href=\"https:\/\/science-hub.click\/?p=104321\">\u5bc6\u5ea6<\/a><\/span>\u3067\u3059<\/li><li><span>\u03b7 \u306f<\/span>\u6d41\u4f53\u306e<span><a href=\"https:\/\/science-hub.click\/?p=5554\">\u52d5<\/a><\/span><span><a href=\"https:\/\/science-hub.click\/?p=26733\">\u7c98\u5ea6<\/a><\/span>\u3067\u3059\u3002 <\/li><li><div class=\"math-formual notranslate\">$$ { \\vec{f} } $$<\/div>\u6d41\u4f53\u5185\u306b\u4f5c\u7528\u3059\u308b\u8cea\u91cf\u529b\u3067\u3059 (\u4f8b: \u91cd\u529b)\u3002 <\/li><li><div class=\"math-formual notranslate\">$$ { \\overrightarrow{\\mathrm{grad}}} $$<\/div>\u3068<span>\u0394 \u306f<\/span>\u3001\u305d\u308c\u305e\u308c\u52fe\u914d\u6f14\u7b97\u5b50\u3068\u30e9\u30d7\u30e9\u30b7\u30a2\u30f3\u5fae\u5206\u6f14\u7b97\u5b50\u3067\u3059\u3002<\/li><\/ul><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u30b9\u30c8\u30fc\u30af\u30b9\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/MZg0ikSqcvA\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2>\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u6027\u8cea<\/h2><p>\u30ca\u30d3\u30a8\u30fb\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u3068\u306f\u7570\u306a\u308a\u3001\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306f\u7dda\u5f62\u3067\u3059 (\u6163\u6027\u9805\u3001\u975e\u7dda\u5f62\u306f\u5b9f\u969b\u306b\u306f\u7121\u8996\u3067\u304d\u307e\u3059)\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u6d41\u308c\u306f\u975e\u5e38\u306b\u7279\u6b8a\u306a\u7279\u6027\u3092\u6301\u3061\u307e\u3059\u3002<\/p><ul><li> <b>uniqueness<\/b> :<span><a href=\"https:\/\/science-hub.click\/?p=25552\">\u4e0e\u3048\u3089\u308c\u305f<\/a><\/span>\u5883\u754c\u6761\u4ef6 (\u58c1\u304a\u3088\u3073\/\u307e\u305f\u306f\u7121\u9650\u5927\u3067\u306e\u901f\u5ea6\u306e\u5024) \u306b\u5bfe\u3057\u3066\u3001\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u3092\u691c\u8a3c\u3059\u308b\u6d41\u308c\u304c 1 \u3064\u3060\u3051\u5b58\u5728\u3057\u307e\u3059\u3002<\/li><li><b>\u52a0\u6cd5\u6027<\/b>: \u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306e\u89e3\u306f\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u3092\u691c\u8a3c\u3057\u307e\u3059: <div class=\"math-formual notranslate\">$$ {\\vec{v}_1} $$<\/div>\u305d\u3057\u3066<div class=\"math-formual notranslate\">$$ {\\vec{v}_2} $$<\/div>\u306f\u89e3\u3001\u305d\u306e\u5f8c\u306f\u4efb\u610f\u306e\u7dda\u5f62\u7d50\u5408<div class=\"math-formual notranslate\">$$ {\\lambda_1 \\vec{v}_1 + \\lambda_2 \\vec{v}_2} $$<\/div>\u3082\u306a\u308a\u307e\u3059(\u3053\u308c\u306f\u4e00\u610f\u6027\u306e\u7279\u6027\u3068\u77db\u76fe\u3057\u307e\u305b\u3093\u3002\u826f\u597d\u306a\u5883\u754c\u6761\u4ef6\u3092\u691c\u8a3c\u3059\u308b\u30d5\u30ed\u30fc\u306e\u307f\u304c\u89b3\u5bdf\u3055\u308c\u307e\u3059)\u3002<\/li><li><b>\u53ef\u9006\u6027<\/b>: \u901f\u5ea6<span><a href=\"https:\/\/science-hub.click\/?p=93469\">\u5834<\/a><\/span>\u306e\u5834\u5408<div class=\"math-formual notranslate\">$$ {\\vec{v}(\\vec{r})} $$<\/div>\u304c\u65b9\u7a0b\u5f0f\u306e\u89e3\u3067\u3042\u308b\u5834\u5408\u3001 <div class=\"math-formual notranslate\">$$ {- \\vec{v}(\\vec{r})} $$<\/div>\u307e\u305f\u3001\u5727\u529b\u52fe\u914d\u306e\u7b26\u53f7\u3001\u304a\u3088\u3073\u58c1\u304a\u3088\u3073\u7121\u9650\u9060\u3067\u306e\u901f\u5ea6\u3092\u5909\u66f4\u3059\u308b\u3068 (\u3053\u308c\u306f\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u306e\u76f4\u63a5\u306e\u7d50\u679c\u3067\u3059)\u3001\u3053\u306e\u7279\u6027\u306f\u3001\u5de8\u8996\u7684\u306a\u6d41\u308c\u306e\u7d4c\u9a13\u306b\u57fa\u3065\u304f\u79c1\u305f\u3061\u306e\u76f4\u89b3\u306b\u53cd\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u4f4e\u3044\u30ec\u30a4\u30ce\u30eb\u30ba\u6570\u3067\u306e\u6d41\u308c\u306e\u53ef\u9006\u6027\u306b\u3088\u308a\u3001\u975e\u5e38\u306b\u5c0f\u3055\u306a\u751f\u7269\u304c\u72ec\u81ea\u306e\u63a8\u9032\u624b\u6bb5\u3092\u958b\u767a\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li><li><b>\u30b9\u30c8\u30fc\u30af\u30b9\u306e\u30d1\u30e9\u30c9\u30c3\u30af\u30b9<\/b>: \u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306e<span><a href=\"https:\/\/science-hub.click\/?p=66499\">\u6570\u5b66\u7684<\/a><\/span>\u89e3\u306f\u3001\u7279\u5b9a\u306e\u5834\u5408\u307e\u305f\u306f\u89e3\u9818\u57df\u306e\u7279\u5b9a\u306e\u9818\u57df\u306b\u304a\u3044\u3066\u3001\u7269\u7406\u7684\u306b\u507d\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u3001\u300c\u30b9\u30c8\u30fc\u30af\u30b9 \u30d1\u30e9\u30c9\u30c3\u30af\u30b9\u300d\u3001\u3064\u307e\u308a NS \u65b9\u7a0b\u5f0f\u3092\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306b\u9084\u5143\u3067\u304d\u308b\u7269\u7406\u7684\u6761\u4ef6\u304c\u3001\u5fc5\u305a\u3057\u3082\u89e3\u9818\u57df<span><a href=\"https:\/\/science-hub.click\/?p=95765\">\u5168\u4f53<\/a><\/span>\u3067\u30a2\u30d7\u30ea\u30aa\u30ea\u306b\u5b9f\u73fe\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002\u305d\u306e\u5f8c\u3001\u7279\u5b9a\u306e\u5236\u9650\u5185\u3067\u6f5c\u5728\u7684\u306b\u7570\u5e38\u306a\u52d5\u4f5c\u3092\u793a\u3059\u89e3\u6c7a\u7b56\u306b\u5230\u9054\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u305f\u3068\u3048\u3070\u300c\u7121\u9650\u9060\u300d\u306e\u5834\u5408\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u6163\u6027\u9805\u304c\u4e8b\u524d\u306b\u5224\u65ad\u3067\u304d\u305a\u306b\u7c98\u6027\u9805\u306b\u52dd\u3064\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/li><\/ul><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u30b9\u30c8\u30fc\u30af\u30b9\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/bv9lN47teTk\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2>\u9069\u7528\u6761\u4ef6<\/h2><p>\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u306f\u3001\u30ca\u30d3\u30a8\u30fb\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u3092\u7c21\u7565\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30cb\u30e5\u30fc\u30c8\u30f3\u6d41\u4f53\u306e\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3055\u308c\u307e\u3059\u3002 <\/p><p><div class=\"math-formual notranslate\">$$ { \\rho \\frac{ \\partial \\vec{v} }{ \\partial t } + \\rho \\left(\\vec{v} \\cdot \\overrightarrow{\\mathrm{grad}}\\right)\\vec{v} = \\rho \\vec{f} &#8211; \\overrightarrow{\\mathrm{grad}}\\,p + \\eta \\Delta\\,\\vec{v} + \\left( \\zeta + \\frac{\\eta}{3} \\right) \\overrightarrow{\\mathrm{grad}} (\\mathrm{div}\\,\\vec{v}) } $$<\/div> \u3001<\/p><p>\u307e\u305f\u306f \uff1a <\/p><ul><li><div class=\"math-formual notranslate\">$$ {\\vec{v} (\\vec{r},t)} $$<\/div>\u306f\u6d41\u4f53\u901f\u5ea6\u3067\u3059\u3002 <\/li><li><div class=\"math-formual notranslate\">$$ { p (\\vec{r},t)} $$<\/div>\u6d41\u4f53\u5185\u306e\u5727\u529b\u3067\u3059\u3002<\/li><li> <span>\u03c1 \u306f<\/span>\u6d41\u4f53\u306e<span><a href=\"https:\/\/science-hub.click\/?p=40118\">\u5bc6\u5ea6<\/a><\/span>\u3067\u3059<\/li><li><span>\u03b7 \u306f<\/span>\u6d41\u4f53\u306e\u52d5\u7684<i>\u305b\u3093\u65ad<\/i>\u7c98\u5ea6\u3067\u3059\u3002<\/li><li> <span>\u03be \u306f<\/span>\u6d41\u4f53\u306e\u52d5\u7684<i>\u5727\u7e2e<\/i>\u7c98\u5ea6\u3067\u3059\u3002 <\/li><li><div class=\"math-formual notranslate\">$$ { \\vec{f} } $$<\/div>\u6d41\u4f53\u5185\u306b\u4f5c\u7528\u3059\u308b\u8cea\u91cf\u529b\u3067\u3059 (\u4f8b: \u91cd\u529b)\u3002<\/li><li> <span><i>t \u306f<\/i><\/span>\u6642\u9593\u3092\u8868\u3057\u307e\u3059\u3002 <\/li><li><div class=\"math-formual notranslate\">$$ { \\overrightarrow{\\mathrm{grad}}} $$<\/div> \u3001 <span>div<\/span> \u3001 <span>\u0394\u306f<\/span>\u305d\u308c\u305e\u308c\u52fe\u914d\u3001\u767a\u6563\u3001\u30e9\u30d7\u30e9\u30b7\u30a2\u30f3\u5fae\u5206\u6f14\u7b97\u5b50\u3067\u3059\u3002<\/li><\/ul><p>\u6ce8\u610f: \u3053\u306e\u5f0f\u3092\u78ba\u7acb\u3059\u308b\u306b\u306f\u3001 <span>\u03b7<\/span>\u3068<span>\u03b6<\/span>\u306e\u7a7a\u9593\u5909\u52d5\u304c\u7121\u8996\u3067\u304d\u308b\u3068\u4eee\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p><p><br\/>\u3055\u3089\u306b\u3001\u6d41\u4f53\u304c\u975e\u5727\u7e2e\u6027\u3067\u3042\u308b\u5834\u5408 (\u6db2\u4f53\u306b\u5bfe\u3059\u308b\u9069\u5207\u306a\u8fd1\u4f3c)\u3001 <div class=\"math-formual notranslate\">$$ { \\text{div}\\,\\vec{v} = 0} $$<\/div>\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u5358\u7d14\u5316\u3055\u308c\u307e\u3059\u3002 <\/p><p><div class=\"math-formual notranslate\">$$ { \\rho \\frac{ \\partial \\vec{v} }{ \\partial t } + \\rho \\left(\\vec{v} \\cdot \\overrightarrow{\\mathrm{grad}}\\right)\\vec{v} = \\rho \\vec{f} &#8211; \\overrightarrow{\\mathrm{grad}}\\,p + \\eta \\Delta\\,\\vec{v} } $$<\/div> \u3002<\/p><p><br\/>\u3053\u306e\u65b9\u7a0b\u5f0f\u306e\u6163\u6027\u9805\u3068\u7c98\u6027\u9805\u306e\u5927\u304d\u3055\u306e\u30aa\u30fc\u30c0\u30fc\u3092\u8a55\u4fa1\u3067\u304d\u307e\u3059\u3002\u6db2\u4f53\u306e\u7279\u6027\u901f\u5ea6\u304c<span><i>U<\/i><\/span>\u3067\u3001\u901f\u5ea6\u306e\u5909\u5316\u306e\u5178\u578b\u7684\u306a\u30b9\u30b1\u30fc\u30eb\u304c<span><i>L<\/i><\/span>\u3067\u3042\u308b\u5834\u5408 (\u3053\u308c\u306f\u3001\u6db2\u4f53\u304c\u6d41\u308c\u308b\u30c1\u30e3\u30cd\u30eb\u306e<span><a href=\"https:\/\/science-hub.click\/?p=84871\">\u5bf8\u6cd5<\/a><\/span>\u3001\u6db2\u4f53\u304c<span><a href=\"https:\/\/science-hub.click\/?p=45508\">\u6d41\u308c\u308b<\/a><\/span><span>\u7269\u4f53<\/span>\u306e\u5bf8\u6cd5\u306b\u3088\u3063\u3066\u6c7a\u307e\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059)\u306a\u3069)\u3001\u305d\u306e\u5f8c: <\/p><p><div class=\"math-formual notranslate\">$$ {\\rho \\left(\\vec{v} \\cdot \\overrightarrow{\\mathrm{grad}}\\right)\\vec{v} \\sim \\frac{\\rho U^2}{L}} $$<\/div>\u305d\u3057\u3066<div class=\"math-formual notranslate\">$$ {\\eta \\Delta\\,\\vec{v} = \\rho \\nu \\Delta\\,\\vec{v} \\sim \\frac{\\rho \\nu U}{L^2}} $$<\/div> \u3001<\/p><p>\u3053\u3053\u3067\u3001 <span>\u03bd \u306f<\/span>\u6db2\u4f53\u306e<span><a href=\"https:\/\/science-hub.click\/?p=98825\">\u52d5<\/a><\/span>\u7c98\u5ea6\u3067\u3059\u3002<\/p><p>\u6163\u6027\u3068\u3044\u3046\u7528\u8a9e<div class=\"math-formual notranslate\">$$ {\\rho \\left(\\vec{v} \\cdot \\overrightarrow{\\mathrm{grad}}\\right)\\vec{v}} $$<\/div>\u3057\u305f\u304c\u3063\u3066\u3001\u7c98\u6027\u9805\u306b\u6bd4\u3079\u3066\u7121\u8996\u3067\u304d\u308b\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002 <div class=\"math-formual notranslate\">$$ {\\eta \\Delta\\,\\vec{v}} $$<\/div>\u3082\u3057 \uff1a <\/p><p><div class=\"math-formual notranslate\">$$ {\\frac{\\rho U^2}{L} \\ll \\frac{\\rho \\nu U}{L^2}} $$<\/div> \u3001 \u3069\u3061\u3089\u304b<div class=\"math-formual notranslate\">$$ {\\frac{UL}{\\nu} \\ll 1} $$<\/div> \u3001<\/p><p>\u3053\u3053\u3067\u30ec\u30a4\u30ce\u30eb\u30ba\u6570\u306e\u5f0f\u304c\u8a8d\u8b58\u3055\u308c\u307e\u3059\u3002<\/p><\/div><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u30b9\u30c8\u30fc\u30af\u30b9\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/9vvHNPRXF0o\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2 class=\"ref_link\">\u53c2\u8003\u8cc7\u6599<\/h2><ol><li><a class=\"notranslate\" href=\"https:\/\/ar.wikipedia.org\/wiki\/%D8%AC%D8%B1%D9%8A%D8%A7%D9%86_%D8%B3%D8%AA%D9%88%D9%83%D8%B3\">\u062c\u0631\u064a\u0627\u0646 \u0633\u062a\u0648\u0643\u0633 \u2013 arabe<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/bs.wikipedia.org\/wiki\/Stokesovo_strujanje\">Stokesovo strujanje \u2013 bosniaque<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/de.wikipedia.org\/wiki\/Schleichende_Str%C3%B6mung\">Schleichende Str\u00f6mung \u2013 allemand<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/en.wikipedia.org\/wiki\/Stokes_flow\">Stokes flow \u2013 anglais<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/es.wikipedia.org\/wiki\/Flujo_de_Stokes\">Flujo de Stokes \u2013 espagnol<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/fa.wikipedia.org\/wiki\/%D8%AC%D8%B1%DB%8C%D8%A7%D9%86_%D8%A7%D8%B3%D8%AA%D9%88%DA%A9%D8%B3\">\u062c\u0631\u06cc\u0627\u0646 \u0627\u0633\u062a\u0648\u06a9\u0633 \u2013 persan<\/a><\/li><\/ol><\/div>\n<div class=\"feature-video\">\n <h2>\n  \u30b9\u30c8\u30fc\u30af\u30b9\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n <div class=\"video-item\">\n  \n  <figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n   <div class=\"wp-block-embed__wrapper\">\n    <iframe loading=\"lazy\" title=\"\u3010A\u30e9\u30a4\u30f3\u3067\u5fc3\u62cd\u51fa\u91cf\u304c\u308f\u304b\u308b\uff01\uff1f\u3011\u30d5\u30ed\u30fc\u30c8\u30e9\u30c3\u30af\u306e\u30e1\u30ea\u30c3\u30c8\u3084\u4ed5\u7d44\u307f\u3092\u5b66\u307c\u3046\uff01\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/UkGmiFrfiUo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n   <\/div>\n  <\/figure>\n  \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0e\u5165 \u7c98\u6027\u6d41\u4f53\u304c\u72ed\u3044\u5834\u6240\u3084\u5c0f\u3055\u306a\u7269\u4f53\u306e\u5468\u56f2\u3092\u3086\u3063\u304f\u308a\u3068\u6d41\u308c\u308b\u5834\u5408\u3001\u7c98\u6027\u306e\u5f71\u97ff\u304c\u6163\u6027\u306e\u5f71\u97ff\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u6d41\u308c\u306f\u30b9\u30c8\u30fc\u30af\u30b9\u6d41(\u307e\u305f\u306f\u30af\u30ea\u30fc\u30d4\u30f3\u30b0\u6d41\u3001\u5b8c\u5168\u6d41\u4f53\u3068\u306f\u5bfe\u7167\u7684\u306b\u30b9\u30c8\u30fc\u30af\u30b9\u6d41\u4f53\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059) \u3068 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18613,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/img.youtube.com\/vi\/rTOl8EVXyLg\/0.jpg","fifu_image_alt":"\u30b9\u30c8\u30fc\u30af\u30b9\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac","footnotes":""},"categories":[5],"tags":[20428,20426,11,13,14,10,12,8,20427,16,15,9],"class_list":["post-18612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dictionary","tag-stokes","tag-ecoulement-de-stokes","tag-techniques","tag-technologie","tag-news","tag-actualite","tag-dossier","tag-definition","tag-ecoulement","tag-sciences","tag-article","tag-explications"],"_links":{"self":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/18612"}],"collection":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18612"}],"version-history":[{"count":0,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/18612\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/media\/18613"}],"wp:attachment":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}