{"id":1189,"date":"2014-03-23T13:12:45","date_gmt":"2014-03-23T04:12:45","guid":{"rendered":"http:\/\/www.cenav.org\/kdb\/?p=1189"},"modified":"2017-10-05T08:36:13","modified_gmt":"2017-10-04T23:36:13","slug":"%e5%9b%9e%e8%bb%a2%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e3%81%ab%e5%9e%82%e7%9b%b4%e3%81%ab%e8%a1%9d%e7%aa%81%e3%81%99%e3%82%8b%e5%86%86%e5%bd%a2%e5%99%b4%e6%b5%81","status":"publish","type":"post","link":"https:\/\/www.cenav.org\/kdb\/?p=1189","title":{"rendered":"\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u306b\u5782\u76f4\u306b\u885d\u7a81\u3059\u308b\u5186\u5f62\u5674\u6d41: ound jet impinging perpendicularly onto a rotating, heated disc (ERCOFTAC SIG15 Case 13.1)"},"content":{"rendered":"

\u6982\u8981<\/h3>\n

\u3053\u3053\u3067\u306fOpenFOAM[OpenFOAM]<\/a>\u3092\u7528\u3044\u3066\uff0cERCOFTAC SIG15[SIG15]<\/a>\u306eCase 13.1: Round jet impinging perpendicularly onto a rotating, heated disc[Case13.1]<\/a>\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30c6\u30b9\u30c8\u3092\u884c\u306a\u3063\u305f\u7d50\u679c\u3092\u7d39\u4ecb\u3059\u308b\uff0e
\nCase 13.1\u306f\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u306b\u5782\u76f4\u306b\u885d\u7a81\u3059\u308b\u5186\u5f62\u5674\u6d41\u3092\u89e3\u6790\u3057\uff0cMinagawa\u3089\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u305f\u5b9f\u9a13\u7d50\u679c[Minagawa2004]<\/a>\u3068\u6bd4\u8f03\u3059\u308b\u3082\u306e\u3067\u3042\u308b\uff0e<\/p>\n

\u89e3\u6790\u30e2\u30c7\u30eb<\/h3>\n

\u89e3\u6790\u30e2\u30c7\u30eb\u6982\u8981\u3092\u4ee5\u4e0b\u306b\u793a\u3059\uff0e<\/p>\n

\"model1\"<\/a>Fig. \u89e3\u6790\u30e2\u30c7\u30eb\u306e\u6982\u8981\u00a0<\/strong>(\u53c2\u8003\u6587\u732e[Case13.1]<\/a>\u304b\u3089\u5f15\u7528)<\/p>\n

\u8a08\u7b97\u683c\u5b50<\/h3>\n

\u8a08\u7b97\u683c\u5b50\u3092\u4ee5\u4e0b\u306b\u793a\u3059\u3002\u7bc0\u70b9\u6570\u306f14,833\uff0c\u30bb\u30eb\u6570\u306f7,270\u3067\u3042\u308b\uff0e<\/p>\n

\"mesh\"<\/a>Fig. \u8a08\u7b97\u683c\u5b50<\/strong><\/p>\n

\u8a73\u7d30\u8aac\u660e<\/h3>\n

\u8a08\u7b97\u306b\u7528\u3044\u305f\u30d1\u30e9\u30e1\u30fc\u30bf<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
\u5674\u53e3\u5f84<\/td>\nd<\/em><\/td>\n0.025 [m]<\/td>\n<\/tr>\n
\u5674\u6d41\u901f\u5ea6\uff08\u5e73\u5747\uff09<\/td>\nUj<\/sub><\/em><\/td>\n8.7 [m\/s]<\/td>\n<\/tr>\n
\u5674\u51fa\u53e3\u9ad8\u3055<\/td>\nh<\/em><\/td>\n0.125 [m]<\/td>\n<\/tr>\n
\u8a08\u7b97\u9818\u57df\u9ad8\u3055<\/td>\nH<\/em><\/td>\n0.25 [m]<\/td>\n<\/tr>\n
\u8a08\u7b97\u9818\u57df\u5f84<\/td>\nL<\/em><\/td>\n0.25 [m]<\/td>\n<\/tr>\n
\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u5f84<\/td>\nR<\/em><\/td>\n0.15 [m]<\/td>\n<\/tr>\n
\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u56de\u8ee2\u901f\u5ea6<\/td>\n\u03c9<\/em><\/td>\n0, 41.8, 167.8 [rad\/s] (\u7121\u6b21\u5143\u5316\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u56de\u8ee2\u901f\u5ea6 \u03b1<\/em>=0, 4, 16.1 \u306b\u5bfe\u5fdc)<\/td>\n<\/tr>\n
\u52d5\u7c98\u6027\u4fc2\u6570<\/td>\n\u03bd<\/em><\/td>\n1.5\u00d710-5<\/sup> [m2<\/sup>\/s]<\/td>\n<\/tr>\n
\u4e71\u6d41\u30e2\u30c7\u30eb<\/td>\nRAS<\/td>\n\u6a19\u6e96k-\u03b5<\/em>, RNG k-\u03b5<\/em>, realizable k-\u03b5<\/em>, k-\u03c9<\/em>, k-\u03c9<\/em> SST<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5883\u754c\u6761\u4ef6<\/h2>\n

\u8a08\u7b97\u30e2\u30c7\u30eb\u306e\u5916\u90e8\u5883\u754c\u9762\uff08patch\uff09\u3092\u4ee5\u4e0b\u306b\u793a\u3059\u3002<\/p>\n

\"boundaryName\"<\/a>Fig. \u5916\u90e8\u5883\u754c\u9762\uff08patch\u540d\uff09\u306e\u8aac\u660e\u56f3<\/strong><\/p>\n

\u5404\u5883\u754c\u9762\u306b\u304a\u3051\u308b\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570\u6bce\u306e\u5177\u4f53\u7684\u306a\u5883\u754c\u6761\u4ef6\u3092\u4ee5\u4e0b\u306b\u793a\u3059\uff0e<\/p>\n

\"boundary\"<\/a>Fig. \u5404\u5883\u754c\u9762\u306b\u304a\u3051\u308b\u5883\u754c\u6761\u4ef6\u306e\u8a73\u7d30<\/strong><\/p>\n

inlet\uff08\u5165\u53e3\u9762\uff09\u306e\u5e73\u5747\u6d41\u901f\u304c8.7 [m\/s]\u3000\u3068\u306a\u308b\u3088\u3046\u306a\u6d41\u5165\u6761\u4ef6\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\uff0erotatingWall\u306f\uff0c\u3059\u3079\u308a\u7121\u3057\u306e\u58c1\u9762\u3067\u3042\u308b\u304c\u3001\u56de\u8ee2\u901f\u5ea6\u6761\u4ef6\uff08rotatingWallVelocity\uff09\u3092\u4e0e\u3048\u3066\u3044\u308b\uff0e<\/p>\n

\u89e3\u6790\u7d50\u679c<\/h3>\n

\u53ef\u8996\u5316\u4f8b<\/h4>\n

\u901f\u5ea6\u5206\u5e03\u306e\u30b3\u30f3\u30bf\u56f3\u3068\u6d41\u8108\u7dda\u3092\u4ee5\u4e0b\u306b\u793a\u3059\uff0e<\/p>\n

\"U_field\"<\/a>Fig. \u901f\u5ea6\u5206\u5e03\u3068\u6d41\u8108\u7dda<\/strong><\/p>\n

\u6700\u5927\u6d41\u901f\u306f\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u7aef\u9762\u306e\u58c1\u901f\u5ea6\u306b\u4e00\u81f4\u3057\u3066\u3044\u308b\uff0e<\/p>\n

\u901f\u5ea6\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/h4>\n

\u56de\u8ee2\u30c7\u30a3\u30b9\u30af\u7aef\u9762\u306b\u8fd1\u3044\u4f4d\u7f6e\uff08r=0.145[m]\uff09\u304b\u3089\u4e0a\u65b9\u3067\u306e\u534a\u5f84\u65b9\u5411\u901f\u5ea6\u5206\u5e03\u3064
\n\u3044\u3066\u5b9f\u9a13\u5024\u3068\u306e\u6bd4\u8f03\u3092\u884c\u3063\u305f\uff0e\u30b5\u30f3\u30d7\u30eb\u4f4d\u7f6e\u3092\u4ee5\u4e0b\u306b\u793a\u3059\uff0e<\/p>\n

\"samplePos\"<\/a><\/strong><\/p>\n

Fig. \u5b9f\u9a13\u5024\u3068\u306e\u6bd4\u8f03\u7528\u30b5\u30f3\u30d7\u30eb\u4f4d\u7f6e<\/strong><\/p>\n

\u4ee5\u4e0b\u306b\u305d\u308c\u305e\u308c\u306e\u4f4d\u7f6e\u306b\u304a\u3051\u308b\u5b9f\u9a13\u5024\uff08Exp\uff09\u3068\u8a08\u7b97\u5024\u306e\u6bd4\u8f03\u3092\u793a\u3059\uff0e\u306a\u304a\uff0c\u8a08\u7b97\u5024\u306f\u4e71\u6d41\u30e2\u30c7\u30eb\u306b\u5fdc\u3058\u3066\u8272\u5206\u3051\u3057\u3066\u533a\u5225\u3057\u3066\u3042\u308b\uff0e<\/p>\n

\"case13.1-alpha_0-profileU\"<\/a>Fig. \u03b1=0\u3000\u306e\u6d41\u901f\u5206\u5e03\u6bd4\u8f03<\/strong><\/p>\n

\"case13.1-alpha_4.1-profileU\"<\/a>Fig. \u03b1=4\u3000\u306e\u6d41\u901f\u5206\u5e03\u6bd4\u8f03<\/strong><\/p>\n

\"case13.1-alpha_16.2-profileU\"<\/a>Fig. \u03b1=16.2\u3000\u306e\u6d41\u901f\u5206\u5e03\u6bd4\u8f03<\/strong><\/p>\n

\u7dcf\u3058\u3066\u898b\u308b\u3068k-\u03c9 SST\u304c\u6700\u3082\u7cbe\u5ea6\u304c\u826f\u3044\u7d50\u679c\u3068\u306a\u3063\u305f\uff0e<\/p>\n

\u5b9f\u884c\u74b0\u5883<\/h3>\n