{"id":7377,"date":"2026-09-28T13:43:33","date_gmt":"2026-09-28T04:43:33","guid":{"rendered":"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/?p=7377"},"modified":"2026-09-28T13:43:33","modified_gmt":"2026-09-28T04:43:33","slug":"%e7%89%b9%e5%88%a5%e8%ac%9b%e6%bc%94%e4%bc%9a-%e9%96%8b%e5%82%ac%e3%81%ae%e3%81%8a%e7%9f%a5%e3%82%89%e3%81%9b-2026-9-29-%e7%81%ab","status":"publish","type":"post","link":"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/news\/7377\/","title":{"rendered":"\u7279\u5225\u8b1b\u6f14\u4f1a \u958b\u50ac\u306e\u304a\u77e5\u3089\u305b (2026.9.29 \u706b)"},"content":{"rendered":"\u3053\u306e\u305f\u3073\u30012026\u5e749\u670829\u65e5\uff08\u706b\uff09\u306b\u7279\u5225\u8b1b\u6f14\u4f1a \u3092\u958b\u50ac\u3044\u305f\u3057\u307e\u3059\u3002<br \/><br \/>\u65e5\u6642\uff1a2026\u5e749\u670829\u65e5\uff08\u706b\uff0910:00\u201311:00<br \/>\u4f1a\u5834\uff1a\u6771\u5317\u5927\u5b66 \u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240 1\u53f7\u99282\u968e\u4f1a\u8b70\u5ba4\u3000\u304a\u3088\u3073\u3000\u30aa\u30f3\u30e9\u30a4\u30f3\uff08Google Meet\uff09<br \/><a href=\"https:\/\/meet.google.com\/xnc-vhkr-qjr\" target=\"_blank\" rel=\"noopener\">https:\/\/meet.google.com\/xnc-vhkr-qjr<\/a><br \/><br \/>\u8b1b\u5e2b\uff1a<br \/>James S. Cotton<br \/>McMaster University (Canada) \u6559\u6388<br \/><br \/>\u8b1b\u6f14\u984c\u76ee\uff1a <br \/>Electrohydrodynamic heat transfer in phase change materials &#8211; Collaboration with Institute of Fluid Science<br \/><br \/>\u8b1b\u6f14\u5185\u5bb9\uff1a <br \/>Electrohydrodynamics (EHD) offers a powerful means of enhancing and actively controlling solid-liquid phase-change heat transfer. Applied electric fields generate electroconvection that thins thermal boundary layers, accelerates melting, and can induce solid extraction, in which dendritic material is drawn from the mushy zone into the liquid phase. Experiments have demonstrated local heat-transfer enhancement approaching 8.6-fold and reductions in total melting time of nearly 40%. Schlieren velocimetry has revealed coherent EHD jets and provides a non-intrusive means of quantifying the resulting flow and thermal-boundary-layer transport. Particular attention is given to the distinction between conventional charge injection and field-enhanced dissociation. Charge injection relies on ions generated at electrode surfaces, whereas low-frequency alternating-current dissociation produces reversible ionic motion within the dielectric fluid, potentially reducing electrode-driven chemical degradation while generating directed transport toward the melt interface. These mechanisms create new opportunities for electrically tunable, high-performance phase-change thermal energy storage.<br \/><br \/><a href=\"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/wp-content\/themes\/ifs\/files\/Announcement_Special Lecture_jp_20260929.pdf\" target=\"_blank\" rel=\"noopener\">\u30d7\u30ed\u30b0\u30e9\u30e0 (PDF)<\/a><br \/><a href=\"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/wp-content\/themes\/ifs\/files\/20260323Workshop_v2.pdf\" target=\"_blank\" rel=\"noopener\"><\/a><br \/><br \/>\u203b\u672c\u8b1b\u6f14\u4f1a\u306f\u3001\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u30fb\u516c\u52df\u5171\u540c\u7814\u7a76\uff08J26I085\uff09\u306e\u652f\u63f4\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<br \/><br \/>\u3054\u95a2\u5fc3\u3092\u304a\u6301\u3061\u306e\u7686\u69d8\u306e\u3054\u53c2\u52a0\u3092\u5fc3\u3088\u308a\u304a\u5f85\u3061\u7533\u3057\u4e0a\u3052\u3066\u304a\u308a\u307e\u3059\u3002<br \/><br \/>\u3069\u3046\u305e\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<br \/><br \/><br \/>\u3010\u304a\u554f\u5408\u305b\u5148\u3011<br \/>\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240<br \/>\u4f50\u85e4\u3000\u5cb3\u5f66<br \/>Tel: 022-217-5320<br \/>E-mail: takehiko.sato.d7*tohoku.ac.jp<br \/>*\u3092\uff20\u306b\u5909\u3048\u3066\u304a\u9001\u308a\u304f\u3060\u3055\u3044\u3002","protected":false},"excerpt":{"rendered":"\u3053\u306e\u305f\u3073\u30012026\u5e749\u670829\u65e5\uff08\u706b\uff09\u306b\u7279\u5225\u8b1b\u6f14\u4f1a \u3092\u958b\u50ac\u3044\u305f\u3057\u307e\u3059\u3002\u65e5\u6642\uff1a2026\u5e749\u670829\u65e5\uff08\u706b\uff0910:00\u201311:00\u4f1a\u5834\uff1a\u6771\u5317\u5927\u5b66 \u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240 1\u53f7\u99282\u968e\u4f1a\u8b70\u5ba4\u3000\u304a\u3088\u3073\u3000\u30aa\u30f3\u30e9\u30a4\u30f3\uff08Google Meet\uff09ht [&hellip;]","protected":false},"author":1,"featured_media":3091,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3,2],"tags":[26],"class_list":["post-7377","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-event","category-information","tag-nfrd_bnrfl"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u3053\u306e\u305f\u3073\u30012026\u5e749\u670829\u65e5\uff08\u706b\uff09\u306b\u7279\u5225\u8b1b\u6f14\u4f1a \u3092\u958b\u50ac\u3044\u305f\u3057\u307e\u3059\u3002\u65e5\u6642\uff1a2026\u5e749\u670829\u65e5\uff08\u706b\uff0910:00\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"admin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/news\/7377\/\" \/>\n\t<meta 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