{"id":162987,"date":"2023-01-31T08:55:30","date_gmt":"2023-01-31T08:55:30","guid":{"rendered":"\/knowledge\/forums\/topic\/pemfc%e8%a8%88%e7%ae%97%e6%99%82%e3%81%ae%e6%8e%a5%e8%a7%a6%e8%a7%92%e3%81%ae%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%9e%e3%82%a4%e3%82%ba\/"},"modified":"2023-07-31T12:37:48","modified_gmt":"2023-07-31T12:37:48","slug":"pemfc%e8%a8%88%e7%ae%97%e6%99%82%e3%81%ae%e6%8e%a5%e8%a7%a6%e8%a7%92%e3%81%ae%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%9e%e3%82%a4%e3%82%ba","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/pemfc%e8%a8%88%e7%ae%97%e6%99%82%e3%81%ae%e6%8e%a5%e8%a7%a6%e8%a7%92%e3%81%ae%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%9e%e3%82%a4%e3%82%ba\/","title":{"rendered":"PEMFC\u8a08\u7b97\u6642\u306e\u63a5\u89e6\u89d2\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba"},"content":{"rendered":"<p>PEM\u30e2\u30b8\u30e5\u30fc\u30eb(fuelcells module)\u3067\u306f\u6db2\u4f53\u306e\u6c34\u306e\u751f\u6210\u30fb\u79fb\u52d5\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u3068\u304d\u3001\u6c34\u306e\u63a5\u89e6\u89d2\u306f\u30d1\u30cd\u30eb\u5165\u529b\u306b\u3088\u308a\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002  \u63a5\u89e6\u89d2\u3092\u5ea7\u6a19\u3084\u7269\u7406\u91cf\u306e\u95a2\u6570\u306b\u3057\u305f\u308a\u3001\u30be\u30fc\u30f3\u3054\u3068\u306b\u5909\u3048\u305f\u308a\u3059\u308b\u5834\u5408\u306f\u3001 pem_user.c\u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u3067\u3059\u3002  pem_user.c\u5185\u306ereal Saturation_Diffusivity\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b cos_theta\u304ccos(\u63a5\u89e6\u89d2)\u3067\u3059\u306e\u3067\u3001 pem_user.c\u5185\u3067cos_theta\u3092\u5b9a\u7fa9\u3059\u308c\u3070\u3001\u63a5\u89e6\u89d2\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002    real Saturation_Diffusivity(real sat,                             real cos_theta,                             real porosity,                             cell_t c, Thread *t) {   const real K_abs    = 2.55e-13;     \/* m^2 &#8212; Kaviany  *\/   const real surf_ten = 0.0644;       \/* N\/m2 *\/   const real mu_liq   = 4.05e-4;      \/* kg\/m-s   *\/     real krl = sat*sat*sat;     real dpcds = 0.0;   real ss = 0.0;    \/*  cos_theta=&#8230;..;  \u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u63a5\u89e6\u89d2\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002  \u30e6\u30fc\u30b6\u30fc\u304c\u5b9a\u7fa9\u3057\u305f\u5834\u5408\u3001\u30d1\u30cd\u30eb\u306b\u5165\u529b\u3057\u305f\u5024\u306f\u7121\u8996\u3055\u308c\u307e\u3059\u3002  *\/     if (cos_theta>0.0)  \/* hydrophilic media *\/     ss = 1-sat;   else                \/* hydrophobic media *\/     ss = sat;      dpcds =  surf_ten*ABS(cos_theta)\/sqrt(K_abs\/porosity)                *(1.417 + 3*1.263*ss*ss &#8211; 2*2.12*ss);           return krl*rho_liq*K_abs\/mu_liq*dpcds; }<\/p>\n","protected":false},"template":"","class_list":["post-162987","topic","type-topic","status-publish","hentry","topic-tag-2019-r2","topic-tag-fluent","topic-tag-general-fluent"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"PEM\u30e2\u30b8\u30e5\u30fc\u30eb(fuelcells module)\u3067\u306f\u6db2\u4f53\u306e\u6c34\u306e\u751f\u6210\u30fb\u79fb\u52d5\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u3068\u304d\u3001\u6c34\u306e\u63a5\u89e6\u89d2\u306f\u30d1\u30cd\u30eb\u5165\u529b\u306b\u3088\u308a\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002 \u63a5\u89e6\u89d2\u3092\u5ea7\u6a19\u3084\u7269\u7406\u91cf\u306e\u95a2\u6570\u306b\u3057\u305f\u308a\u3001\u30be\u30fc\u30f3\u3054\u3068\u306b\u5909\u3048\u305f\u308a\u3059\u308b\u5834\u5408\u306f\u3001 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\u3053\u306e\u3068\u304d\u3001\u6c34\u306e\u63a5\u89e6\u89d2\u306f\u30d1\u30cd\u30eb\u5165\u529b\u306b\u3088\u308a\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002 \u63a5\u89e6\u89d2\u3092\u5ea7\u6a19\u3084\u7269\u7406\u91cf\u306e\u95a2\u6570\u306b\u3057\u305f\u308a\u3001\u30be\u30fc\u30f3\u3054\u3068\u306b\u5909\u3048\u305f\u308a\u3059\u308b\u5834\u5408\u306f\u3001 pem_user.c\u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u3067\u3059\u3002 pem_user.c\u5185\u306ereal Saturation_Diffusivity\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b cos_theta\u304ccos(\u63a5\u89e6\u89d2)\u3067\u3059\u306e\u3067\u3001 pem_user.c\u5185\u3067cos_theta\u3092\u5b9a\u7fa9\u3059\u308c\u3070\u3001\u63a5\u89e6\u89d2\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 real Saturation_Diffusivity(real sat, real cos_theta, real porosity, cell_t c, Thread *t) { const real K_abs = 2.55e-13; \/* m^2 --- Kaviany *\/ const real surf_ten = 0.0644; \/* N\/m2 *\/ const real mu_liq = 4.05e-4; \/* kg\/m-s *\/ real krl = sat*sat*sat; real dpcds = 0.0;\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/pemfc%e8%a8%88%e7%ae%97%e6%99%82%e3%81%ae%e6%8e%a5%e8%a7%a6%e8%a7%92%e3%81%ae%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%9e%e3%82%a4%e3%82%ba\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-01-31T08:55:30+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:37:48+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"PEMFC\u8a08\u7b97\u6642\u306e\u63a5\u89e6\u89d2\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"PEM\u30e2\u30b8\u30e5\u30fc\u30eb(fuelcells 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Saturation_Diffusivity(real sat, real cos_theta, real porosity, cell_t c, Thread *t) { const real K_abs = 2.55e-13; \/* m^2 --- Kaviany *\/ const real surf_ten = 0.0644; \/* N\/m2 *\/ const real mu_liq = 4.05e-4; \/* kg\/m-s *\/ real krl = sat*sat*sat; real dpcds = 0.0;\" \/>\n\t\t<script type=\"application\/ld+json\" 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