Znn3bq.jpeg
²é¿´: 1684  |  »Ø¸´: 12

lebronbb

гæ (СÓÐÃûÆø)

[ÇóÖú] COMSOLÄ£ÄâÈÈ´«µ¼£¬Ä£Äâ½á¹ûºÍʵÑé½á¹ûÏà²î½Ï´ó£¬²»ÖªµÀÄÄÀï×ö´í

Ä£ÄâÒ»¸öº¬¿ÕÆø²ãÆö¿é£¨Èçͼ£©µÄ±£ÎÂÐÔÄÜ£¬ÓÃÁ˷ǵÈÎÂÁ÷Ä£¿é£¬Ä£Äâ¹ý³ÌûÓÐÎÊÌ⣬µ«Êǽá¹ûºÃÏñ²»¶Ô£¬Ä£Äâ³öÀ´µÄthermal conductivityÊÇ0.91 W/(km)£¬µ«ÊµÑéÊÒ½á¹ûÖ»ÓÐ0.628 W/(km)£¬ÊµÔÚÕÒ²»³öÄ£ÐÍÄÄÀï³öÎÊÌ⣬´ó¼Ò°ïæÏëÏë°¡£¬¸öÈ˸оõÊǶÔÁ÷²¿·Ö¿ÉÄÜÓÐÎÊÌ⣬µ«²»ÖªµÀÄÄÀï²»¶Ô£¬¶®µÄÅóÓѰïæÏëÏ룬ÏÈллÁË

Geometry.gif
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖ§³Ö ( ÏÔʾ֧³Ö¶È×î¸ßµÄǰ 50 Ãû )

lebronbb

гæ (СÓÐÃûÆø)

Ìå»ýÁ¦=g*beta*rho*(T0-T)
4Â¥2012-09-03 07:56:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

lebronbb

гæ (СÓÐÃûÆø)

ÓÐÈ˶®Âð£¿
2Â¥2012-09-03 05:07:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lebronbb

гæ (СÓÐÃûÆø)

¶ÔÁ÷µÄ¿ÕÆø¸¡Á¦ÓÃÁËbousinesq approximation£¬Ìå»ýÁ¦=beta*rho*(T-T0), betaÊÇ¿ÕÆøµÄthermal expansion coefficient£¬ µ«ÊÇ·¢ÏָıäT0µÄÊýÖµ£¬¶ÔÁ÷ËÙ¶ÈûÔõô±ä£¬ÊDz»ÊÇÎÒ¶ÔÁ÷Ä£¿éÀïµÄÉ趨ÓÐʲô´íÁË£¿
3Â¥2012-09-03 07:54:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dk1013

ľ³æ (ÕýʽдÊÖ)

¡ï
³ôË®¹µ: ½ð±Ò+1, лл½»Á÷~~ 2012-11-15 19:44:04
²»°ÑԭʼfileÌù³öÀ´£¬¹À¼Æ±ðÈ˺ÜÄÑÕÒ³ö´íÎó°É¡£¡£¡£
Ä£Ä⣬±à³ÌɶµÄ£¬¾ÍÕâÑù£¬¶ÔÁ˾ͶÔÁË£¬´íÁËÓÐǧ°Ù¸öÔ­Òò¡£
µ½µÃ»¹À´±ðÎÞÊ ®ɽÑÌÓêÕã½­³±
5Â¥2012-09-03 18:31:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lebronbb

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by dk1013 at 2012-09-03 18:31:59
²»°ÑԭʼfileÌù³öÀ´£¬¹À¼Æ±ðÈ˺ÜÄÑÕÒ³ö´íÎó°É¡£¡£¡£
Ä£Ä⣬±à³ÌɶµÄ£¬¾ÍÕâÑù£¬¶ÔÁ˾ͶÔÁË£¬´íÁËÓÐǧ°Ù¸öÔ­Òò¡£

Êǰ¡£¬¿´ÁËÈýÌìҲûÕÒµ½Ô­Òò
6Â¥2012-09-03 19:40:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

maccaboy

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï
³ôË®¹µ: ½ð±Ò+1, лл½»Á÷~~ 2012-11-15 19:44:23
Ä£ÄâµÄ¶«Î÷ ÓкܶàÈËΪÒòËØ Èç¹û½á¹ûÒªÓëʵÑéÒ»Ö ʵ¼ÊÊÇÒª±£Ö¤ÆäËü¿É±äÒòËØÓëʵÑéÌõ¼þÒ»ÖÂÐԺܺÃ
7Â¥2012-09-03 21:38:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

maccaboy

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
7Â¥: Originally posted by maccaboy at 2012-09-03 21:38:47
Ä£ÄâµÄ¶«Î÷ ÓкܶàÈËΪÒòËØ Èç¹û½á¹ûÒªÓëʵÑéÒ»Ö ʵ¼ÊÊÇÒª±£Ö¤ÆäËü¿É±äÒòËØÓëʵÑéÌõ¼þÒ»ÖÂÐԺܺÃ

»¹¿ÉÒÔ»»¸ö˼· ÓÃÄãʵÑéµÄÈȵ¼ÂÊ Ä£Äâ¼ÆËãÆäËüµÄÁ¿ ¿´½á¹ûÈçºÎ
8Â¥2012-09-03 21:40:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lebronbb

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
8Â¥: Originally posted by maccaboy at 2012-09-03 21:40:46
»¹¿ÉÒÔ»»¸ö˼· ÓÃÄãʵÑéµÄÈȵ¼ÂÊ Ä£Äâ¼ÆËãÆäËüµÄÁ¿ ¿´½á¹ûÈçºÎ...

ÎÒ°ÑÄ£ÐÍÎļþ´«ÁË£¬È¡ÁËÔ­À´Õû¸öÆö¿éµÄËÄ·ÖÖ®Ò»½¨Ä££¬³¤¿í¸ß·Ö±ðÊÇ0.1125£¬0.3, 0.15Ãס£ÎÒ¹ÀËã±íÃæµÄheat fluxÈ»ºó³ýÒÔÆö¿éÁ½¸öÃæµÄβîÀ´ËãU-value£¬ÊµÑéÊҵĽá¹ûÊÇ0.294 w/(km2)£¬ÎÒÕâÀï·øÉ仹û¼ÓÉÏÈ¥¾ÍÓÐ0.33 w/(km2)×óÓÒÁË£¬²îÌ«¶àÁË£¬µ«ÕÒ²»µ½ÄIJ»¶Ô£¬°Ñ¶ÔÁ÷Ä£¿é¹Øµôºó½á¹û»¹ÊǺܴó£¬ÎÒÕâ±ßѧУûÈËÓÃcomsol£¬ÄܰïÎÒ¿´¿´Âð£¿ÏÈлÁË
9Â¥2012-09-04 09:22:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lebronbb

гæ (СÓÐÃûÆø)

³ôË®¹µ: »ØÌûÖö¥ 2012-11-15 19:44:48
ÒýÓûØÌû:
9Â¥: Originally posted by lebronbb at 2012-09-04 09:22:49
ÎÒ°ÑÄ£ÐÍÎļþ´«ÁË£¬È¡ÁËÔ­À´Õû¸öÆö¿éµÄËÄ·ÖÖ®Ò»½¨Ä££¬³¤¿í¸ß·Ö±ðÊÇ0.1125£¬0.3, 0.15Ãס£ÎÒ¹ÀËã±íÃæµÄheat fluxÈ»ºó³ýÒÔÆö¿éÁ½¸öÃæµÄβîÀ´ËãU-value£¬ÊµÑéÊҵĽá¹ûÊÇ0.294 w/(km2)£¬ÎÒÕâÀï·øÉ仹û¼ÓÉÏÈ¥¾ÍÓÐ0.33 ...

ÎļþÒ»Ö±´«²»ÉÏ£¬ÏÖÔÚºÃÁËhttp://kuai.xunlei.com/d/OHNVGJTXZETL
10Â¥2012-09-04 09:37:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ lebronbb µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 293Çóµ÷¼Á +10 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 10/500 2026-04-12 11:15 by Ò»ÇÐOK
[¿¼ÑÐ] »¯Ñ§¹¤³Ìµ÷¼Á289 +44 yangæÃ 2026-04-07 50/2500 2026-04-12 02:36 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 305Çóµ÷¼Á +6 77Qi 2026-04-07 6/300 2026-04-12 02:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] Çóµ÷¼Á +18 MAXâê㯠2026-04-09 20/1000 2026-04-11 23:31 by zhen¡«
[¿¼ÑÐ] 277 ÊýÒ»104£¬Ñ§Ë¶£¬Çóµ÷¼Á +21 Æ¿×ÓPZ 2026-04-09 23/1150 2026-04-11 23:12 by labixiaoqiao
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬0703»¯Ñ§305·ÖÇóµ÷¼Á +26 ÑÏÎ÷Î÷Ï· 2026-04-06 33/1650 2026-04-11 23:01 by 314126402
[¿¼ÑÐ] 311Çóµ÷¼Á +13 xypÏë¶ÁÊé 2026-04-10 14/700 2026-04-11 09:41 by Öí»á·É
[¿¼ÑÐ] µ÷¼Á +12 ¾í¾í¾íÐIJË_ 2026-04-09 13/650 2026-04-10 22:36 by Ftglcn90
[¿¼ÑÐ] 297Çóµ÷¼Á +27 GENJIOW 2026-04-07 30/1500 2026-04-09 23:20 by wolf97
[¿¼ÑÐ] ±¾¿Æ211 ¹¤¿Æ085400 280·ÖÇóµ÷¼Á ¿É¿çרҵ +3 LZH£¨µÈ´ýµ÷¼ÁÖÐ 2026-04-09 3/150 2026-04-09 21:29 by wutongshun
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +14 Ò»ÑùYWY 2026-04-06 14/700 2026-04-08 23:00 by Öí»á·É
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì320Çóµ÷¼Á£¬080500 +12 »Æ¹ÏζÊíÆ¬ 2026-04-06 12/600 2026-04-08 16:26 by luoyongfeng
[¿¼ÑÐ] 264Çóµ÷¼Á +11 ÂóС¶£µ± 2026-04-07 11/550 2026-04-08 16:05 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ª´ó»¯Ñ§327Çóµ÷¼Á +12 ÍõÍõ°×ʯ 2026-04-06 13/650 2026-04-08 16:05 by luoyongfeng
[¿¼ÑÐ] µ÷¼ÁÇóÖú£¨ÉúÎïÓëÒ½Ò©£© +6 @6952 2026-04-06 6/300 2026-04-07 23:52 by lys0704
[¿¼ÑÐ] ²ÄÁϹ¤³ÌרҵÈÕÓïÉúÇóµ÷¼Á +9 111623 2026-04-07 9/450 2026-04-07 23:31 by Ò»Ö»ºÃ¹û×Ó?
[¿¼²©] ²©Ê¿ÉêÇë +3 IQwQl 2026-04-05 3/150 2026-04-07 20:31 by greychen00
[¿¼ÑÐ] 318Çóµ÷¼Á +5 ÀîÇàɽɽɽ 2026-04-07 5/250 2026-04-07 18:24 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 327Çóµ÷¼Á +4 ʰ¹âÈÎȾ 2026-04-05 4/200 2026-04-05 20:16 by ÄϺ½~ÍòÀÏʦ
[¿¼ÑÐ] Çóµ÷¼Áµ½0856²ÄÁϹ¤³Ì +3 ³Ì9915 2026-04-05 3/150 2026-04-05 18:15 by À¶ÔÆË¼Óê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û