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- Ìû×Ó: 407
- ÔÚÏß: 130.8Сʱ
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- ×¢²á: 2015-11-05
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4Â¥2017-04-11 20:20:11
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- ×¢²á: 2015-09-26
- ÐÔ±ð: MM
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ÎÒÕâÓÐÒ»¸öudf£¬ÓдóÉñ»á¸ÄÂð/***********************************************************************/ /* heat_conductivity.c */ /* UDF for specifying a temperature-dependent heat_conductivity property of fuel */ /***********************************************************************/ #include "udf.h" #define pi 3.1415 #define qmax 53503100.8 DEFINE_PROPERTY(fuel_heat_conductivity, cell, thread) { real heat_conductivity; real temp = C_T(cell, thread); heat_conductivity = 38.24 / (temp+402.55) + 4.788 * (temp+273.15) * (temp+273.15) * (temp+273.15) * pow(10, -11); return heat_conductivity; } /***********************************************************************/ /* heat_conductivity.c */ /* UDF for specifying a temperature-dependent heat_conductivity property of gap gas*/ /***********************************************************************/ DEFINE_PROPERTY(gapgas_heat_conductivity, cell, thread) { real heat_conductivity; real temp = C_T(cell, thread); heat_conductivity = 100 * 0.39 * pow(10, -4) * pow(temp, 0.645); return heat_conductivity; } /***********************************************************************/ /* heat_source.c */ /* UDF for specifying a location-dependent heat_source of fuel */ /***********************************************************************/ DEFINE_SOURCE(cell_heat_source, cell, thread) { real x; real heat_source; real t,z; t= RP_Get_Real("flow-time" ;z = x; heat_source = qmax * sin(pi*(z+0.1)/1.1) * sin (0.2 * pi * t); return heat_source; } |
2Â¥2017-04-11 12:08:35
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- Ó¦Öú: 6 (Ó×¶ùÔ°)
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֮ǰ×ö¹ýÕâ·½ÃæµÄÀý×Ó£¬¸øÂ¥Ö÷¸ÄϵÚÒ»¸öµ¼ÈÈÂʵÄUDF DEFINE_PROPERTY(fuel_heat_conductivity, cell, thread) { real heat_conductivity; real temp = C_T(cell, thread); heat_conductivity = ***(»»³ÉÄãµÄ²ÄÁϵıí´ïʽ); return heat_conductivity; } ÔõôµÃµ½ÄãµÄ²ÄÁϹØÓÚζȱí´ïʽ£¿ Ö÷Òª¿´ÎÄÏ×£¬ÓеÄÎÄÏ×ÀïÖ±½Ó»áÓбí´ïʽ£¬ÓеÄÎÄÏ×Àï»áÓжà×éÊý¾Ý£¨ÓÃÇúÏßÄâºÏ¾Í¿ÉÒÔÁË£© Ï£Íû¿ÉÒÔ°ïµ½Äã |
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3Â¥2017-04-11 20:19:01
ÑÝÒïµÄ¸ñµ÷
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- Ìû×Ó: 155
- ÔÚÏß: 9.3Сʱ
- ³æºÅ: 4103514
- ×¢²á: 2015-09-26
- ÐÔ±ð: MM
- רҵ: ¹¤³ÌÈÈÎïÀíÏà¹Ø½»²æÁìÓò
5Â¥2017-04-12 11:13:05














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