{"id":6925,"date":"2026-05-12T14:15:54","date_gmt":"2026-05-12T05:15:54","guid":{"rendered":"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/?p=6925"},"modified":"2026-05-12T16:33:05","modified_gmt":"2026-05-12T07:33:05","slug":"%e3%80%90%e3%83%97%e3%83%ac%e3%82%b9%e3%83%aa%e3%83%aa%e3%83%bc%e3%82%b9%e3%80%911-0%e3%81%ae%e5%be%ae%e7%b4%b0%e7%b2%97%e3%81%95%e3%81%a7%e7%a9%ba%e6%b0%97%e6%8a%b5%e6%8a%97-43-6%e4%bd%8e%e6%b8%9b","status":"publish","type":"post","link":"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/news\/6925\/","title":{"rendered":"\u3010\u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9\u30111.0%\u306e\u5fae\u7d30\u7c97\u3055\u3067\u7a7a\u6c17\u62b5\u6297 43.6%\u4f4e\u6e1b\u3092\u4e16\u754c\u3067\u521d\u5b9f\u8a3c \uff0d\u6d41\u4f53\u5de5\u5b6680\u5e74\u306e\u5e38\u8b58\u3092\u8986\u3059\u767a\u898b\u3001\u822a\u7a7a\u6a5f\u306a\u3069\u306e\u7701\u30a8\u30cd\u306b\u671f\u5f85\uff0d (2026.5.12)"},"content":{"rendered":"\u3010\u767a\u8868\u306e\u30dd\u30a4\u30f3\u30c8\u3011<br \/>\u30fb\u58c1\u9762\u5883\u754c\u5c64\u539a\u3055\u306e\u308f\u305a\u304b 1.0%\u3068\u3044\u3046\u5fae\u7d30\u304b\u3064\u4e0d\u898f\u5247\u306a\u8868\u9762\u7c97\u3055DMR<sup>\uff08\u6ce81\uff09<\/sup>\u3092\u6d41\u7dda\u578b\u6a21\u578b\u306e\u8868\u9762\u306b\u65bd\u5de5\u3057\u3001\u9077\u79fb\u57df<sup>\uff08\u6ce82\uff09<\/sup>\u306e\u5909\u5316\u306b\u3088\u308a\u6700\u5927 43.6%\u306e\u7a7a\u529b\u62b5\u6297\u4f4e\u6e1b\u3092\u4e16\u754c\u3067\u521d\u3081\u3066\u5b9f\u8a3c\u3057\u307e\u3057\u305f\u3002<br \/>\u30fb\u300c\u524d\u7e01\u90e8\u8868\u9762\u304c\u6ed1\u3089\u304b\u306a\u307b\u3069\u7a7a\u6c17\u62b5\u6297\u306f\u6e1b\u308b\u300d\u3068\u3044\u304680\u5e74\u6765\u306e\u6d41\u4f53\u5de5\u5b66\u306e\u5e38\u8b58\u3092\u8986\u3059\u767a\u898b\u3067\u3059\u3002<br \/>\u30fb\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u304c\u4fdd\u6709\u3059\u308b\u4e16\u754c\u6700\u5927\u7d1a\u306e 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\/>\u30001940\u5e74\u4ee3\u4ee5\u6765\u3001\u8f38\u9001\u6a5f\u5668\u306e\u7a7a\u529b\u8a2d\u8a08\u3067\u306f\u300c\u8868\u9762\u306f\u6ed1\u3089\u304b\u306a\u307b\u3069\u7a7a\u6c17\u62b5\u6297\u304c\u5c0f\u3055\u304f\u306a\u308b\u300d\u3068\u3044\u3046\u5e38\u8b58\u304c80\u5e74\u8fd1\u304f\u4fe1\u3058\u3089\u308c\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\u3000\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u306e\u713c\u91ce\u85cd\u5b50\u51c6\u6559\u6388\u3089\u306e\u7814\u7a76\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u6d41\u7dda\u578b\u6a21\u578b\u306e\u8868\u9762\u306b\u76ee\u306b\u898b\u3048\u306a\u3044\u307b\u3069\u5fae\u7d30\u3067\u4e0d\u898f\u5247\u306a\u7c97\u3055\uff08DMR: Distributed Micro-Roughness\uff09\u3092\u65bd\u3059\u3053\u3068\u3067\u3001\u7a7a\u6c17\u62b5\u6297\u3092\u6700\u592743.6%\u4f4e\u6e1b\u3067\u304d\u308b\u3053\u3068\u3092\u4e16\u754c\u3067\u521d\u3081\u3066\u5b9f\u8a3c\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u7cbe\u5bc6\u306a\u8a08\u6e2c\u3092\u5b9f\u73fe\u3057\u305f\u306e\u304c\u3001\u540c\u7814\u7a76\u6240\u304c\u4fdd\u6709\u3059\u308b\u4e16\u754c\u6700\u5927\u7d1a\u306e\u300c1m\u78c1\u529b\u652f\u6301\u5929\u79e4\u88c5\u7f6e\uff08MSBS\uff09\u300d\u3067\u3059\u3002\u78c1\u529b\u3067\u6a21\u578b\u3092\u7a7a\u4e2d\u306b\u6d6e\u63da\u3055\u305b\u308b\u3053\u3068\u3067\u5f93\u6765\u306e\u98a8\u6d1e\u8a66\u9a13\u3067\u4e0d\u53ef\u907f\u3060\u3063\u305f\u652f\u6301\u68d2\u306b\u3088\u308b\u6c17\u6d41\u306e\u4e71\u308c\u3092\u5b8c\u5168\u306b\u6392\u9664\u3057\u3001\u5fae\u7d30\u306a\u7c97\u3055\u304c\u3082\u305f\u3089\u3059\u62b5\u6297\u5909\u5316\u306e\u7cbe\u5bc6\u306a\u691c\u51fa\u3092\u53ef\u80fd\u306b\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u9ad8\u89e3\u50cf\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u30aa\u30a4\u30eb\u30d5\u30ed\u30fc\u53ef\u8996\u5316\u306b\u3088\u308a\u3001\u3053\u306e\u5287\u7684\u306a\u4f4e\u6e1b\u304c\u5265\u96e2\u6291\u5236\u3067\u306f\u306a\u304f\u300c\u58c1\u9762\u6469\u64e6\u62b5\u6297\u305d\u306e\u3082\u306e\u306e\u6291\u5236\u300d\u306b\u3088\u308b\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u5b9a\u91cf\u7684\u306b\u8a3c\u660e\u3057\u307e\u3057\u305f\u300280\u5e74\u6765\u306e\u6d41\u4f53\u5de5\u5b66\u306e\u5e38\u8b58\u3092\u8986\u3059\u672c\u6210\u679c\u306f\u3001\u6b21\u4e16\u4ee3\u7701\u30a8\u30cd\u6280\u8853\u306e\u793e\u4f1a\u5b9f\u88c5\u3078\u5411\u3051\u305f\u5927\u304d\u306a\u524d\u9032\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\u3000\u672c\u7814\u7a76\u6210\u679c\u306f\u30012026\u5e745\u67087\u65e5\u306b\u3001\u6d41\u4f53\u529b\u5b66\u5206\u91ce\u306e\u56fd\u969b\u5b66\u8853\u8a8c Journal of Fluid Mechanics \u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f\u3002 <br \/><br \/><br \/>\r\n<p><img decoding=\"async\" src=\"http:\/\/www.ifs.tohoku.ac.jp\/jpn\/wp-content\/uploads\/sites\/2\/2026\/05\/item20260512_02_DMR.jpg\" alt=\"\" max-width=\"800\" height=\"666\" class=\"alignnone wp-image-6937\" \/><\/p>\r\n\u56f31. \u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u306e1m\u78c1\u529b\u652f\u6301\u5929\u79e4\u88c5\u7f6e\uff081m-MSBS\uff09\u3067\u6d6e\u63da\u3055\u308c\u305f\u6d41\u7dda\u578b\u6a21\u578b<br \/><br \/>\u3010\u7528\u8a9e\u8aac\u660e\u3011<br \/>\u6ce81. DMR\uff08Distributed Micro-Roughness\uff1a\u5206\u5e03\u30de\u30a4\u30af\u30ed\u7c97\u3055\uff09<br \/>\u30df\u30af\u30ed\u30f3\u30b5\u30a4\u30ba\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u5fae\u7d30\u51f9\u51f8\u3092\u9762\u5168\u4f53\u306b\u4e0d\u898f\u5247\u306b\u5206\u5e03\u3055\u305b\u305f\u8868\u9762\u6027\u72b6\u3067\u3042\u308b\u3002\u672c\u7814\u7a76\u3067\u306f\u300138\u301c53 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\/><br \/>\u6ce84. \u6d41\u308c\u306e\u5265\u96e2\u6291\u5236\u3067\u306f\u306a\u304f\u6469\u64e6\u62b5\u6297\u4f4e\u6e1b<br \/>\u7269\u4f53\u304c\u7a7a\u6c17\u4e2d\u3092\u52d5\u304f\u969b\u306b\u751f\u3058\u308b\u300c\u7a7a\u529b\u62b5\u6297\u300d\u306f\u3001\u5927\u304d\u304f\u300c\u5727\u529b\u62b5\u6297\u300d\u3068\u300c\u6469\u64e6\u62b5\u6297\u300d\u306e2\u3064\u306b\u5206\u3051\u3089\u308c\u308b\u3002\u5727\u529b\u62b5\u6297\u306f\u7269\u4f53\u524d\u5f8c\u306e\u5727\u529b\u5dee\u306b\u8d77\u56e0\u3057\u3001\u7269\u4f53\u5f8c\u65b9\u3067\u6c17\u6d41\u304c\u8868\u9762\u304b\u3089\u96e2\u308c\u308b\u300c\u5265\u96e2\u300d\u304c\u767a\u751f\u3059\u308b\u3068\u6025\u5897\u3059\u308b\u3002\u6469\u64e6\u62b5\u6297\u306f\u7269\u4f53\u8868\u9762\u3092\u6d41\u308c\u308b\u7a7a\u6c17\u306e\u7c98\u6027\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u62b5\u6297\u3067\u3042\u308a\u3001\u6d41\u308c\u304c\u5c64\u6d41\u72b6\u614b\u3092\u4fdd\u3064\u307b\u3069\u5c0f\u3055\u304f\u306a\u308b\u3002\u672c\u7814\u7a76\u3067\u306f\u3001LES\u89e3\u6790\u306b\u3088\u308a\u5727\u529b\u62b5\u6297\u306e\u4fdd\u5b88\u7684\u306a\u4e0a\u9650\u5024\uff08Cp\u22480.00021\uff09\u3092\u78ba\u7acb\u3057\u305f\u3002\u89b3\u6e2c\u3055\u308c\u305f\u62b5\u6297\u4f4e\u6e1b\u91cf\uff08\u0394CD\u22480.001\uff09\u306f\u3053\u306e\u4e0a\u9650\u5024\u306e\u7d045\u500d\u3067\u3042\u308a\u3001\u4eee\u306b\u5265\u96e2\u304c\u5b8c\u5168\u306b\u6d88\u6ec5\u3057\u305f\u3068\u3057\u3066\u3082\u89b3\u6e2c\u3055\u308c\u305f\u4f4e\u6e1b\u91cf\u306e\u7d0420%\u3057\u304b\u8aac\u660e\u3067\u304d\u306a\u3044\u3002\u3057\u305f\u304c\u3063\u3066\u3001DMR\u306b\u3088\u308b\u62b5\u6297\u4f4e\u6e1b\u306e\u4e3b\u56e0\u306f\u5265\u96e2\u6291\u5236\u3067\u306f\u306a\u304f\u3001\u6469\u64e6\u62b5\u6297\u306e\u4f4e\u6e1b\u3067\u3042\u308b\u3053\u3068\u304c\u8a3c\u660e\u3055\u308c\u308b\u3002<br \/><br \/><br \/>\u3010\u8ad6\u6587\u60c5\u5831\u3011<br \/>\u30bf\u30a4\u30c8\u30eb\uff1aDMR effect on drag reduction of a streamlined body measured by magnetic suspension and balance system<br \/>\u8457\u8005\uff1a \u713c\u91ce\u85cd\u5b50*\u3001\u5965\u6cc9\u5bdb\u4e4b\u3001\u732a\u718a\u5efa\u767b\u3001\u6e21\u8fba\u4f73\u662f<br \/>*\u8cac\u4efb\u8457\u8005\uff1a\u6771\u5317\u5927\u5b66 \u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240 \u51c6\u6559\u6388 \u713c\u91ce\u85cd\u5b50<br \/>\u63b2\u8f09\u8a8c\uff1aJournal of Fluid Mechanics<br \/>DOI\uff1a10.1017\/jfm.2026.11520<br \/>URL\uff1a<a href=\"https:\/\/doi.org\/10.1017\/jfm.2026.11520\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1017\/jfm.2026.11520<\/a><br \/><br \/><br \/>\uff1c\u95a2\u9023\u30ea\u30f3\u30af\uff1e<br \/><a href=\"https:\/\/www.tohoku.ac.jp\/japanese\/2026\/05\/press20260512-02-DMR.html\" target=\"_blank\" rel=\"noopener\">\u6771\u5317\u5927\u5b66\u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9<\/a><br \/><a href=\"https:\/\/www.jst.go.jp\/pr\/announce\/20260512\/index.html\" target=\"_blank\" rel=\"noopener\">\u79d1\u5b66\u6280\u8853\u632f\u8208\u6a5f\u69cb (JST) \u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9<\/a><a href=\"https:\/\/www.ifs.tohoku.ac.jp\/edge\/topics\/20260404press.html\" target=\"_blank\" rel=\"noopener\"><\/a><br \/><a href=\"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/research\/dv_crfrd\/afel\/\" target=\"_blank\" rel=\"noopener\">\u822a\u7a7a\u5b87\u5b99\u6d41\u4f53\u5de5\u5b66\u7814\u7a76\u5206\u91ce<\/a><br \/><a href=\"https:\/\/www.ifs.tohoku.ac.jp\/edge\/\" target=\"_blank\" rel=\"noopener\">\u713c\u91ce\u7814\u7a76\u5ba4\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/a><br \/><a href=\"https:\/\/www.ifs.tohoku.ac.jp\/edge\/topics\/20260404press.html\" target=\"_blank\" rel=\"noopener\">\u3053\u306e\u7814\u7a76\u306b\u3064\u3044\u3066 \u3082\u3063\u3068\u307f\u308b<\/a><br \/><br \/>\uff1c\u554f\u3044\u5408\u308f\u305b\u5148\uff1e<br \/>\uff08\u7814\u7a76\u306b\u95a2\u3059\u308b\u3053\u3068\uff09<br \/>\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u3000<br \/>\u51c6\u6559\u6388\u3000\u713c\u91ce \u85cd\u5b50<br \/>TEL: 022-217-5267<br \/>E-mail: aiko.yakeno*tohoku.ac.jp<br \/>\uff08*\u3092@\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\uff09<br \/><br \/>\uff08\u5831\u9053\u306b\u95a2\u3059\u308b\u3053\u3068\uff09<br \/>\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u3000<br \/>\u56fd\u969b\u7814\u7a76\u6226\u7565\u5ba4\u3000\u5e83\u5831\u62c5\u5f53<br \/>Tel: 022-217-5873<br \/>E-mail: ifs-koho*grp.tohoku.ac.jp<br \/>\uff08*\u3092@\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\uff09","protected":false},"excerpt":{"rendered":"\u3010\u767a\u8868\u306e\u30dd\u30a4\u30f3\u30c8\u3011\u30fb\u58c1\u9762\u5883\u754c\u5c64\u539a\u3055\u306e\u308f\u305a\u304b 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