Fluent¶àÏàÁ÷Ä£ÐÍÑ¡ÔñÓëÉ趨

-reaction ¶à±íÃæÒìÏ෴ӦģÐÍ£¬ÄÇô£¬ÓÉÓÚ»¯Ñ§·´Ó¦¼ÆÁ¿±ÈÔÚ»ìºÏ½éÖÊÖÐÒѾ­±»È·¶¨£¬ËùÒÔOxidizing Species ÓëProduct Species ÁÐ±í½«±ä»Ò£¨²»¿ÉÑ¡£©¡£ (6) µã»÷Point Properties ²Ëµ¥Ìõ£¨È±Ê¡Ñ¡Ï£¬È»ºóÉ趨ÉäÁ÷Ô´ÊôÐÔ£¨Î»Öá¢Ëٶȡ¢¿ÅÁ£Ö±¾¶¡¢Î¶ȡ¢ÈôÐèÒªµÄ»°£¬»¹¿ÉÉ趨¿ÅÁ£ÖÊÁ¿Á÷Á¿ÒÔ¼°ÆäËüµÄÓëÅç×ìÏà¹ØµÄ²ÎÊý£©£¬¹ØÓÚÈçºÎÉèÖÃ,ÏÂÃ潫Ҫ½²½â¡£

£¨7£©ÈôÁ÷¶¯ÎªÍÄÁ÷²¢ÇÒÏ£Íû¿¼ÂÇÍÄÁ÷¶Ô¿ÅÁ£µÄÓ°Ï죬¿Éµã»÷Turbulent Dispersion ²Ëµ¥Ï¼¤»îStochastic Model »òCloud Model Ñ¡Ï²¢É趨ÏàÓ¦µÄ²ÎÊý¡£

£¨8£©ÈôȼÉÕ¿ÅÁ£°üº¬ÓпÉÕô·¢³É·Ö£¬µã»÷Wet Combustion ²Ëµ¥Ïѡ¶¨Wet CombustionÑ¡ÏȻºóÔÚLiquid Material ÏÂÀ­Áбí¿òÖÐÑ¡¶¨¿ÅÁ£»Ó·¢·ÖÎö³ö֮ǰ´Ó¿ÅÁ£Õô·¢£¨·ÐÌÚ£©³öÀ´µÄ½éÖÊ×é·Ö¡£Ò²¿ÉÒÔͨ¹ýÔÚLiquid Fraction ÏÂÊäÈëÊýÖµÀ´É趨ҺÌå×é·ÖµÄÌå»ý·ÖÊý¡£×îºó£¬ÔÚÃæ°å¶¥²¿µÄEvaporating Species ÏÂÀ­ÁбíÖÐÑ¡¶¨ÓÉÕô·¢¡¢·ÐÌÚ¶¨ÂÉÈ·¶¨µÄÆøÏà×é·Ö¡£

5. ƽ¿ÚÎí»¯Åç×ìµÄµãÊôÐÔÉ趨£¨plain-orifice atomizer£©

¶ÔÓÚƽ¿ÚÎí»¯Åç×죬Óû§ÐèÒªÔÚPoint Properties ÏÂÉ趨ÈçϵijõʼÌõ¼þ£º ??λÖãºÔÚX-, Y-, and Z-Position Îı¾¿òÇø¿ÉÒÔÉ趨ÉäÁ÷µÄÑØÖ±½Ç×ø±êµÄÈýÏòλÖã¨ÔÚÈýάÇé¿öϲŻáÓÐZ-Position ³öÏÖ£©

??ËٶȣºÔÚX-, Y-, and Z- Velocity Îı¾¿òÇø¿ÉÒÔÉ趨ÉäÁ÷³õʼËÙ¶ÈÑØÖ±½Ç×ø±êµÄÈýÏò·ÖÁ¿£¨ÔÚÈýάÇé¿öϲŻáÓÐZ- Velocity ³öÏÖ£©

??ÖáµÄ·½Ïò£¨½öÊÊÓÃÓÚÈýά£©£ºÉ趨ȷ¶¨Åç×ìÖáÏß·½ÏòµÄÈý¸ö·ÖÁ¿£¬ÔÚX-Axis, Y-Axis, andZ-Axis ÇøÉ趨¡£

??ζȣºÔÚTemperature Çø¿ÉÉ趨ÅçÉä¿ÅÁ£Á÷µÄ³õʼ¿ÅÁ££¨¾ø¶Ô£©Î¶ȡ£ ??ÖÊÁ¿Á÷ÂÊ£º¿ÉÔÚFlow Rate ÇøÉ趨Åç×ìµÄ¿ÅÁ£ÖÊÁ¿Á÷Á¿¡£

??ÉäÁ÷³ÖÐøʱ¼ä£º¶ÔÓÚ·ÇÎÈ̬¿ÅÁ£¸ú×Ù¼ÆË㣬ÔÚStart Time ºÍStop TimeÇøÉ趨ÅçÉäµÄ¿ªÊ¼Óë½áÊøʱ¼ä¡£

??ÕôÆøѹ£ºÉ趨¿ØÖÆͨ¹ýÅç×ìÄÚ²¿Á÷¶¯µÄÕôÆøѹ£¬ÔÚVapor PressureÇøÉ趨¡£ ??Ö±¾¶£ºÉ趨Åç×ìÖ±¾¶£¬ÔÚInjector Inner Diam.ÇøÉ趨¡£ ??Åç×쳤¶È£ºÉ趨Åç×ìµÄ³¤¶È£¬ÔÚOrifice Length ÇøÉ趨¡£

25

??ÄŲ́½×½Ç°ë¾¶£¨µ¼½Ç°ë¾¶£©£ºÉ趨Åç×ìÄŲ́½×´¦µÄµ¼½Ç°ë¾¶£¬ÔÚCornerRadius of Curv.ÇøÉ趨¡£

??Åç×ì²ÎÊý£ºÉ趨ÉäÁ÷½ÇÐÞÕýϵÊý£¬ÔÚConstant A ÇøÉ趨¡£

??·½Î»½Ç£ºÉ趨ÈýάÇé¿öϵÄÅç×췽λ¿ªÊ¼½ÇÓë½áÊø½Ç£¬ÔÚAzimuthal Start Angle andAzimuthal Stop Angle ÇøÉ趨¡£

6. ѹÁ¦£­ÐýÁ÷Îí»¯Åç×ìµÄµãÊôÐÔÉ趨£¨pressure-swirl atomizer£©

¶ÔÓÚѹÁ¦£­ÐýÁ÷Îí»¯Åç×죬Óû§µÄºÜ¶àÉ趨ÏîÓëƽ¿ÚÎí»¯Åç×ìÉ趨Ïàͬ¡£³ýÁËÉ趨λÖá¢ÖáÏß·½Ïò£¨Èýά£©¡¢Î¶ȡ¢ÖÊÁ¿Á÷Á¿¡¢ÉäÁ÷³ÖÐøʱ¼ä£¨·ÇÎÈ̬£©¡¢ÉäÁ÷Äڰ뾶ÒÔ¼°·½Î»½Ç£¨ÈôÐèÒª£©¡£»¹ÐèÒªÔÚPoint Properties ÏÂÉ趨ÈçϵIJÎÊý£º

??ÉäÁ÷½Ç£ºÔÚSpray Half Angle ÇøÏÂÉ趨ÉäÁ÷ÅçÉä°ë½Ç ??ѹÁ¦£ºÔÚUpstream Pressure ÇøÏÂÉ趨Åç×ìÉÏÓÎѹÁ¦

??ҺĤÆÆËé³£Êý£ºÉ趨ȷ¶¨ÒºÄ¤ÆÆËéʱÐγɵÄÏß״ҺĤ³¤¶ÈµÄÒ»¸ö¾­Ñé³£Êý£¬ÔÚSheet Constant ÇøÉ趨¡£

??Ïß״ҺĤֱ¾¶£º¶ÔÓڶ̲¨£¬È·¶¨ÒºÄ¤ÆÆË鲨³¤ÓëÏß״ҺĤ°ë¾¶Ö®¼äµÄÏßÐαÈÀý¹ØϵµÄ±ÈÀý³£Êý£¬ÔÚLigament Constant ÇøÉ趨¡£ 7. ¿ÕÆø¸¨ÖúÎí»¯Åç×ìµÄµãÊôÐÔÉ趨£¨air-blast atomizer£©

¶ÔÓÚ¿ÕÆø¸¨ÖúÎí»¯Åç×죬Óû§ÐèÒªµÄÐí¶àÉ趨ÏîÓëƽ¿ÚÎí»¯Åç×ìµÄÉ趨Ïàͬ¡£³ýÁËÐèÒªÉ趨λÖá¢ÖáÏß·½Ïò£¨Èýά£©¡¢Î¶ȡ¢ÖÊÁ¿Á÷Á¿¡¢ÉäÁ÷³ÖÐøʱ¼ä£¨·ÇÎÈ̬£©¡¢Åç×ìÄڰ뾶ÒÔ¼°·½Î»½Ç£¨ÈôÐèÒªµÄ»°£©Ö®Í⣬»¹ÐèÒªÔÚPoint Properties:ÇøÏÂÉ趨ÆäËû²ÎÊý£º

??Åç×ìÍâ°ë¾¶£ºÔÚInjector Outer Diam.ÇøÏÂÉ趨ÉäÁ÷µÄÍⲿ°ë¾¶¡£´ËÊýÖµÓëÅç×ìÄÚ²¿°ë

¾¶¹²Í¬È·¶¨ÁËҺĤºñ¶È¡£

??ÉäÁ÷½Ç£ºÉ趨ÉäÁ÷À뿪Åç¿ÚʱµÄҺĤ³õʼ¹ìµÀ£¬ÔÚSpray HalfAngle ÇøÉ趨¡£ ??Ïà¶ÔËٶȣºÉ趨ҺĤÓë¿ÕÆøÖ®¼äµÄ×î´óÏà¶ÔËٶȣ¬ÔÚRelative Velocity ÇøÉ趨¡£

??ҺĤÆÆËé³£Êý£ºÉ趨ȷ¶¨ÒºÄ¤ÆÆËéʱÐγɵÄÏß״ҺĤ³¤¶ÈµÄÒ»¸ö¾­Ñé³£Êý£¬

26

ÔÚSheet Constant ÇøÉ趨¡£

??Ïß״ҺĤֱ¾¶£º¶ÔÓڶ̲¨£¬È·¶¨ÒºÄ¤ÆÆË鲨³¤ÓëÏß״ҺĤ°ë¾¶Ö®¼äµÄÏßÐαÈÀý¹ØϵµÄ±ÈÀý³£Êý£¬ÔÚLigament Constant ÇøÉ趨¡£

8. ƽ°åÉÈÒ¶Îí»¯Åç×ìµÄµãÊôÐÔÉ趨£¨flat-fan atomizer£©

ƽ°åÉÈÐÎÎí»¯Ä£ÐͽöÊÊÓÃÓÚÈýάÇé¿ö¡£Óû§ÐèÒªÔÚPoint Properties ÏÂÉ趨ÈçϵijõʼÌõ¼þ£º

??ÉÈÒ¶ÖÐÐĵ㣺É趨ÉäÁ÷Ô´ÆðʼλÖõÄÈýÏò×ø±êÖµ£¬ÔÚX-Center,Y-Center, and Z-Center ÇøÉ趨¡£ ??ÐéµãλÖãºÉ趨Åç×ìÉÈÒ¶µÄ¸÷±ßµÄÐéÄâ½»²æµã£¬ÔÚX-Virtual Origin,Y-Virtual Origin, and Z-Virtual Origin ÇøÉ趨¡£

??´¹Ö±·½Ïò£ºÉ趨´¹Ö±ÉÈÒ¶µÄÏòÁ¿¸÷¸ö·ÖÁ¿£¬ÔÚX-Fan Normal Vector, Y-Fan Normal

Vector, and Z-Fan Normal Vector ÇøÉ趨¡£

??ζȣºÉ趨¿ÅÁ£Á÷µÄζȣ¬ÔÚTemperature ÇøÉ趨¡£ ??ÖÊÁ¿Á÷Á¿£ºÉ趨Åç×ìµÄÖÊÁ¿Á÷Á¿£¬ÔÚFlow Rate ÇøÉ趨¡£

??ÉäÁ÷³ÖÐøʱ¼ä£º¶ÔÓÚ·ÇÎÈ̬¿ÅÁ£¸ú×Ù¼ÆË㣬ÔÚStart Time ºÍStop TimeÇøÉ趨ÅçÉäµÄ¿ªÊ¼ÓÚ½áÊøʱ¼ä¡£

??ÉäÁ÷½Ç£ºÔÚSpray Half Angle ÇøÏÂÉ趨ÉäÁ÷ÅçÉä°ë½Ç¡£

??Åç¿Ú¿í¶È£ºÉ趨Åç¿Ú´¹Ö±·½ÏòµÄ¿í¶È£¬ÔÚOrifice Width ÇøÉ趨¡£

??ҺĤÆÆËé³£Êý£ºÉ趨ȷ¶¨ÒºÄ¤ÆÆËéʱÐγɵÄÏß״ҺĤ³¤¶ÈµÄÒ»¸ö¾­Ñé³£Êý£¬ÔÚFlat Fan Sheet Constant ÇøÉ趨¡£

9.ÆøÅÝÎí»¯Åç×ìµÄµãÊôÐÔÉ趨

¶ÔÓÚÆøÅÝÎí»¯Åç×죬Óû§ÐèÒªµÄÐí¶àÉ趨ÏîÓëƽ¿ÚÎí»¯Åç×ìµÄÉ趨Ïàͬ¡£³ýÁËÇ°Ãæ½éÉܵÄÐèÒªÉ趨λÖá¢ÖáÏß·½Ïò£¨Èýά£©¡¢Î¶ȡ¢ÖÊÁ¿Á÷Á¿£¨°üÀ¨¿ÕѨÓë·Ç¿ÕѨÁ÷Á¿£©¡¢ÉäÁ÷³ÖÐøʱ¼ä£¨·ÇÎÈ̬£©¡¢ÕôÆûѹ¡¢Åç×ìÄڰ뾶ÒÔ¼°·½Î»½Ç£¨ÈôÐèÒªµÄ»°£©Ö®Í⣬»¹ÐèÒªÔÚPointProperties:ÇøÏÂÉ趨ÆäËû²ÎÊý£º

??»ìºÏÇé¿ö²ÎÊý£ºÉ趨ÉäÁ÷ÖÐÒº£­Æø»ìºÏÎïÖÐÒÑÕô·¢µÄÒºµÎÖÊÁ¿·ÖÊý£¬ÔÚMixture Quality ÇøÉ趨¡£

??±¥ºÍζȣºÉ趨¿É»Ó·¢³É·ÖµÄ±¥ºÍζȣ¬ÔÚSaturation Temp.ÇøÉ趨¡£ ??ÒºµÎÀ©É¢ÏµÊý£ºÉ趨¿ØÖÆÒºµÎÔÚ¿Õ¼äÀ©É¢ÐÔÄܵÄÀ©É¢ÏµÊý£¬ÔÚDispersion Constant ÇøÉ趨

??ÉäÁ÷½Ç£ºÉ趨ҺĤÀ뿪Åç¿ÚʱµÄ³õʼ¹ìµÀ·½Ïò½Ç£¬ÔÚMaximum Half Angle ÇøÉ趨¡£

8. Ä£Äâ¿ÅÁ£ÍÄÁ÷À©É¢

¿ÉÒÔÑ¡ÔñËæ»ú¸ú×Ù»ò¿ÅÁ£ÔÆÄ£ÐÍÀ´Ä£Äâ¿ÅÁ£µÄÍÄÁ÷À©É¢¡£

27

**£¨1£©Ëæ»ú¸ú×Ù

¶ÔÓÚÍÄÁ÷£¬ÈôÓû§Ï£ÍûʹÓÃËæ»ú¸ú×Ù·½·¨£¬ÄÇô£¬±ØÐ뼤»î´ËÑ¡Ï²¢ÇÒÉ趨¸ú×Ù´ÎÊý£¨the``number of tries''.£©¡£Ëæ»ú¸ú×Ù·½·¨Ê¹ÓÃËæ»úÓÎ×ß·½·¨À´¿¼ÂÇ¿ÅÁ£ÍÄÁ÷Âö¶¯ËٶȶԿÅÁ£µÄÓ°Ïì¡£

1. ÔÚSet Injection Properties Ãæ°åÖеã»÷Turbulent Dispersion ²Ëµ¥Ïî¡£ 2. ÔÚStochastic Tracking Ñ¡ÏîÏÂÑ¡ÖÐStochastic Model ÒÔ¼¤»îËæ»ú¸ú×Ù·½·¨¡£

3. É趨¸ú×Ù´ÎÊý£¨Number Of Tries£©£º

??ÈôÊäÈëÁ㣬ÄÇô£¬FLUENT ʹÓÃÁ¬ÐøÏàµÄʱ¾ùËÙ¶ÈÀ´¼ÆËã¿ÅÁ£¹ìµÀ£¬Òò´Ë£¬¼ÆËãÖкöÂÔÁËÍÄÁ÷¶Ô¿ÅÁ£¹ìµÀµÄÓ°Ïì¡£

??ÈôÊäÈëΪ´ó£¯µÈÓÚ1 µÄÊýÖµ£¬ÄÇô£¬FLUENT ÔÚ¼ÆËã¿ÅÁ£¹ìµÀʱ£¬½«¿¼ÂÇÍÄÁ÷¶Ô¿ÅÁ£µÄÓ°Ïì¡£ÈôÊäÈëÊýÖµ´óÓÚ1£¬½«¶à´Î¼ÆËã¿ÅÁ£¹ìµÀ£ºÊäÈë2£¬Ôò¼ÆËãÁ½´Î¹ìµÀ£»ÊäÈë3¡£Ôò¼ÆËãÈý´Î¹ìµÀ£¬µÈµÈ¡£Ã¿´Î¹ìµÀ¼ÆË㣬ÔÚ¿ÅÁ£Æ½ºâ·½³ÌÖж¼Ê¹ÓÃеÄÍÄÁ÷Âö¶¯Öµ¡£Èô¼ÆËã×ã¹»¶à´Î¿ÅÁ£¹ìµÀ£¬ÄÇô£¬¹ìµÀ¼ÆËãÖоͰüº¬ÓÐÊܵ½ÍÄÁ÷Ó°ÏìµÄ¿ÅÁ£Á÷µÄͳ¼ÆÌØÕ÷Á¿¡£ÐèҪעÒâµÄÊÇ£¬¶ÔÓÚ·ÇÎÈ̬¿ÅÁ£¸ú×Ù£¬Èô¼¤»îÁËËæ»ú¸ú×Ù·½·¨£¬ÄÇô£¬¹ìµÀ¼ÆËã´ÎÊýÐèÉ趨Ϊ1£¿£¿¡£ £¨2£©¿ÅÁ£ÔÆÄ£ÐÍ

¶ÔÓÚÍÄÁ÷£¬Óû§¿ÉÒÔ¿¼ÂÇÍÄÁ÷À©É¢¶ÔÉäÁ÷¿ÅÁ£µÄÓ°Ïì¡£µ±Ê¹ÓÿÅÁ£ÔÆÄ£ÐÍ·½·¨Ê±£¬Ëù¸ú×ٵĿÅÁ£Á÷¹ìµÀ½«ÊÇΧÈÆ×Åij¸öƽ¾ù¹ìµÀµÄ¡°ÔÆÍÅ¡±¡£

1. ÔÚSet Injection Properties Ãæ°åÖеã»÷Turbulent Dispersion ²Ëµ¥Ïî¡£ 2. ÔÚCloud Tracking ÏÂÑ¡¶¨Cloud Model ÒÔ¼¤»î¿ÅÁ£ÔÆÄ£ÐÍ¡£

3. É趨¿ÅÁ£ÔÆÍŵÄ×îСÓë×î´óÐí¿É°ë¾¶¡£¿ÅÁ£½«ÒÔÉ趨µÄ×îСÐí¿É°ë¾¶£¨Min. CloudDiameter£©½øÈëÁ÷¶¯ÇøÓò¡£ÔÚMax. Cloud Diameter.Ï¿ÉÉ趨¿ÅÁ£ÔƵÄ×î´óÐí¿É°ë¾¶¡£

Óû§¿ÉÄÜ»áÐèÒª¸ù¾Ý¾ßÌåÎÊÌâµÄ³¤¶È³ß¶ÈÀ´ÏÞÖÆ×î´óÐí¿É°ë¾¶ÒÔÌá¸ß¾ßÓи´ÔÓ¼¸ºÎÐÎ×´½á¹¹µÄ¼ÆËãЧ¹û£¬ÒòΪÕâÖÖÇé¿öÏ£¬ÔÚ¾Ö²¿»ØÁ÷ÇøÓò£¬¿ÅÁ£Á÷µÄƽ¾ù¹ìµÀ¼ÆËã»áÏÝÈëËÀÑ­»·¡£

FLUENT ÖеÄÀëÉ¢Ïàȱʡ±ß½çÌõ¼þΪ;

??±ÚÃ棨wall£©¡¢¶Ô³ÆÃ棨symmetry£©¡¢Öá¶Ô³ÆµÄÖáÏߣ¨axis£©¾ùΪ``reflect''

28

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ì滻Ϊ@)