{"id":1204,"date":"2014-03-23T00:13:31","date_gmt":"2014-03-22T15:13:31","guid":{"rendered":"http:\/\/www.cenav.org\/kdb\/?p=1204"},"modified":"2017-10-05T08:39:54","modified_gmt":"2017-10-04T23:39:54","slug":"%e9%9d%a2%e7%8a%b6%e9%9d%9e%e5%af%be%e7%a7%b0%e3%83%87%e3%82%a3%e3%83%95%e3%83%a5%e3%83%bc%e3%82%b6%e3%83%bc%e6%b5%81%e3%82%8c-flow-through-an-asymmetric-plane-diffuser-ercoftac-sig15-case-8-2","status":"publish","type":"post","link":"https:\/\/www.cenav.org\/kdb\/?p=1204","title":{"rendered":"\u9762\u72b6\u975e\u5bfe\u79f0\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc\u6d41\u308c: Flow through an asymmetric plane diffuser (ERCOFTAC SIG15 Case 8.2)"},"content":{"rendered":"

\u6982\u8981<\/h3>\n

\u3053\u3053\u3067\u306fOpenFOAM[OpenFOAM]<\/a>\u3092\u7528\u3044\u3066\uff0cERCOFTAC SIG15[SIG15]<\/a>\u306eTest Case 8.2: Flow through an asymmetric plane diffuser[Case8.2]<\/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 8.2\u306f\u4e8c\u6b21\u5143\u975e\u5bfe\u79f0\u9762\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc\u3092\u901a\u308b\u6d41\u308c\u306e\u89e3\u6790\u3092\u884c\u3044\uff0cBuice\u3089\u306e\u5b9f\u9a13\u7d50\u679c[Buice1997]<\/a>\u3068\u6bd4\u8f03\u3059\u308b\u3082\u306e\u3067\u3042\u308b\uff0e
\n\u5165\u53e3\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u6d41\u308c\u304c\u5b8c\u5168\u306b\u767a\u9054\u3057\u305f\u4e71\u6d41\u5834\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\uff0c\u7de9\u3084\u304b\u306a\u50be\u659c\u9762\u3067\u306e\u5265\u96e2\u70b9\u3084\u518d\u5faa\u74b0\u9818\u57df\u306e\u4e88\u6e2c\uff0c\u307e\u305f\u4e0b\u6d41\u62e1\u5927\u76f4\u7ba1\u90e8\u306e\u5883\u754c\u5c64\u306e\u518d\u4ed8\u7740\u30fb\u56de\u5fa9\u72b6\u6cc1\u304c\u4e3b\u306a\u691c\u8a3c\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u3063\u3066\u3044\u308b\uff0e<\/p>\n

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

\u89e3\u6790\u30e2\u30c7\u30eb\u306e\u5168\u4f53\u56f3\u3092\u4ee5\u4e0b\u306b\u793a\u3059\u3002<\/p>\n

<\/strong>\"model1\"Fig. \u89e3\u6790\u30e2\u30c7\u30eb\u5168\u4f53\u56f3(\u4e8c\u6b21\u5143\uff0c\u539a\u3055\u306f0.015 [m])<\/strong><\/p>\n

\u307e\u305f\u3001\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u90e8\u306e\u8a73\u7d30\uff08\u4e0a\u8a18\u306b\u304a\u3051\u308b\u8d64\u67a0\u90e8\u306e\u8a73\u7d30\u62e1\u5927\u56f3\uff09\u3092\u4ee5\u4e0b\u306b\u793a\u3059\uff0e<\/p>\n

\"Eaton\"<\/p>\n

Fig. \u89e3\u6790\u30e2\u30c7\u30eb\u306e\u8a73\u7d30<\/strong> (\u53c2\u8003\u6587\u732e[Case8.2]<\/a>\u304b\u3089\u5f15\u7528)<\/p>\n

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

\u8a08\u7b97\u683c\u5b50\u3092\u56f33\u306b\u793a\u3059\uff0e\u7bc0\u70b9\u6570\u306f61,304\uff0c\u30bb\u30eb\u6570\u306f30,240\u3067\u3042\u308b\uff0e<\/p>\n

\"mesh1\"<\/p>\n

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

\u306a\u304a\uff0c\u3053\u306e\u683c\u5b50\u306fCode Saturne Users Wiki[Saturne]<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3082\u306e\u3067\u3042\u308b\uff0e<\/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
\u6d41\u5165\u53e3\u306e\u9ad8\u3055<\/td>\nH<\/em><\/td>\n0.015 [m]<\/td>\n<\/tr>\n
\u6d41\u5165\u901f\u5ea6<\/td>\nU<\/em><\/td>\n(20.0, 0.0, 0.0) [m\/s]<\/td>\n<\/tr>\n
Reynolds\u6570<\/td>\nRe<\/em><\/td>\n20000<\/td>\n<\/tr>\n
\u4e71\u6d41\u30e2\u30c7\u30eb<\/td>\nRAS<\/td>\nk-\u03c9<\/em> SST<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5883\u754c\u6761\u4ef6<\/h4>\n

\u8a08\u7b97\u30e2\u30c7\u30eb\u306e\u5916\u90e8\u5883\u754c\u9762\uff08patch\uff09\u3092\u4ee5\u4e0b\u306b\u793a\u3059\uff0e<\/p>\n

\"U_field\"\"boundaryName\"<\/p>\n

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

\u307e\u305f\uff0c\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\"<\/p>\n

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

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

\u5727\u529b\u5206\u5e03<\/h4>\n

\"p_field1\"<\/a>Fig. \u5727\u529b\u5206\u5e03<\/strong><\/p>\n

\u901f\u5ea6\u5206\u5e03<\/h4>\n

 <\/p>\n

\"U_field1\"<\/a>Fig. \u901f\u5ea6\u5206\u5e03<\/strong><\/p>\n

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

\u6d41\u308c\u5834\u306e\u4e3b\u8981\u306a\u7279\u5fb4\u304c\u898b\u51fa\u3060\u305b\u308b\u5165\u53e3\u30c1\u30e3\u30f3\u30cd\u30eb\u90e8\uff0c\u7de9\u50be\u659c\u90e8\uff0c\u62e1\u5927\u76f4\u7ba1\u90e8\u306b\u3064\u3044\u3066\u5b9f\u9a13\u5024\u3068\u306e\u6bd4\u8f03\u3092\u884c\u3063\u305f\uff0e
\n\u901f\u5ea6\u5206\u5e03\u56f3\u4e0a\u306b\u30b5\u30f3\u30d7\u30eb\u4f4d\u7f6e\u3092\u4ee5\u4e0b\u306b\u793a\u3059\uff0e<\/p>\n

\"U_field\"<\/p>\n

Fig. \u5b9f\u9a13\u5024\u3068\u306e\u6bd4\u8f03\u7528\u30b5\u30f3\u30d7\u30eb\u4f4d\u7f6e\u306e\u8aac\u660e\u56f3<\/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\uff08CFD\uff09\u306e\u6bd4\u8f03\u3092\u793a\u3059\uff0e<\/p>\n

\"U_x-6\"<\/a>Fig. \u5165\u53e3\u30c1\u30e3\u30f3\u30cd\u30eb\u90e8\uff08x\/H<\/em>=-6\uff09\u306e\u6d41\u901f\u5206\u5e03\u6bd4\u8f03<\/strong><\/p>\n

\"U_x17\"<\/p>\n

Fig. \u7de9\u50be\u659c\u90e8\uff08x\/H<\/em>=17\uff09\u306e\u6d41\u901f\u5206\u5e03\u6bd4\u8f03<\/strong><\/p>\n

\"U_x40\"<\/p>\n

Fig. \u62e1\u5927\u76f4\u7ba1\u90e8\uff08x\/H<\/em>=40\uff09\u306e\u6d41\u901f\u5206\u5e03\u6bd4\u8f03<\/strong><\/p>\n

\u5f8c\u6d41\u306b\u306a\u308b\u307b\u3069\u6b21\u7b2c\u306b\u5b9f\u9a13\u5024\u3068\u306e\u4e56\u96e2\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u308b\u304c\uff0c\u7de9\u50be\u659c\u90e8(x\/H<\/em>=17)\u307e\u3067\u306f\uff0e\u304a\u304a\u3088\u305d\u5b9f\u9a13\u5024\u3092\u518d\u73fe\u3067\u304d\u3066\u3044\u308b\uff0e<\/p>\n

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