±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 3173  |  »Ø¸´: 26
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

menghuan01

ľ³æ (ÕýʽдÊÖ)


[½»Á÷] ÔöËÜÌåϵ˫Âݸ˼·³ö¹ý³ÌÖÐÊܵ½µÄ¼ôÇÐ×÷ÓÃÇ¿Èõ

¶ÔÓÚË«Âݸ˼·³ö£¬Èç¹ûתËÙ¡¢Î¶ÈÖ®ÀàµÄ¶¼Ïàͬ¡£ÔÚPSÌåϵÖÐÌí¼ÓÔöËܼÁ£¬Óë²»¼ÓÔöËܼÁÏà±È£¬ÄĸöÊܵ½µÄ¼ôÇÐ×÷ÓÃÇ¿°¡£¿£¨ÔöËÜÌåϵ¡¢Î´ÔöËÜÌåϵ£©
¸ø»Ø¸´Õß½ð±ÒÉèÖôíÎ󣬶ÔÎÊÌâÓÐÒâÒåµÄ»Ø¸´»áÔö¼Ó½ð±Ò¡£

[ Last edited by menghuan01 on 2012-3-2 at 10:40 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï
menghuan01(½ð±Ò+1):лл²ÎÓë
wgs8136(½ð±Ò+1): 2012-03-03 09:29:58
menghuan01(½ð±Ò+3): ½ð±Ò¹»ÓþÍÐУ¬ºÇºÇ£¡ 2012-03-09 15:02:19
ÔöËܺó·Ö×ÓÁ´±ä³¤±äÈí£¬PS¼ÓÈëÔöËܼÁºó¼ôÇÐ×÷ÓñäÈõ¡£¾ÍÕâ¸öÎÊÌâÄÃ40¸ö½ð±Ò³öÀ´ÊDz»ÊÇÌ«ÀË·Ñ£¿
3Â¥2012-03-02 21:20:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 27 ¸ö»Ø´ð

manhongkai

½ð³æ (ÕýʽдÊÖ)


¡ï ¡ï ¡ï ¡ï ¡ï
menghuan01(½ð±Ò+1):лл²ÎÓë
wgs8136(½ð±Ò+1): 2012-03-03 09:29:54
menghuan01(½ð±Ò+3): 2012-03-09 15:01:49
ÎÒµÄÀí½â£¬µ±ÔöËܺÍδÔöËÜÌåϵÔÚͬһ˫Âݸ˼·³ö»ú¼·³öʱ£¬Î¹ÁÏËÙ¶È£¬ÂݸËתËÙ£¬ÁÏͲζȵȶ¼Ïàͬʱ¡£¼ôÇÐ×÷ÓõĴóС¾ÍÌåÏÖÔÚŤ¾ØÉÏÁË£¬Å¤¾Ø´ó¼ôÇÐÇ¿£¬Å¤¾ØÐ¡¼ôÇÐÈõ¡£ÎÒÖ»¿¼ÂÇÁË»úÆ÷·½Ãæ¡£ÖÁÓÚÅä·½Ìåϵ£¬ÎÒÃDz»×öPS¡£Ï£Íû¶ÔÄãÓÐÓá£
2Â¥2012-03-02 11:02:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cdyn

ľ³æ (СÓÐÃûÆø)


¡ï ¡ï ¡ï ¡ï ¡ï
menghuan01(½ð±Ò+1):лл²ÎÓë
wgs8136(½ð±Ò+1): 2012-03-03 09:30:02
menghuan01(½ð±Ò+3): 2012-03-09 15:02:31
¼ôÇÐÁ¦ºÍÅä·½ÓÐɶ¹ØÏµ°¡¡£
¼ôÇÐÁ¦²»ÊÇÖ»ºÍbarrelµÄ°ë¾¶£¬»¹ÓÐѹÁ¦µÄÌݶÈÓйØÂï¡£
shear stress=(R/2)(dP/dz)
5Â¥2012-03-02 21:36:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÒýÓûØÌû:
5Â¥: Originally posted by cdyn at 2012-03-02 21:36:19:
¼ôÇÐÁ¦ºÍÅä·½ÓÐɶ¹ØÏµ°¡¡£
¼ôÇÐÁ¦²»ÊÇÖ»ºÍbarrelµÄ°ë¾¶£¬»¹ÓÐѹÁ¦µÄÌݶÈÓйØÂï¡£
shear stress=(R/2)(dP/dz)

ºÇºÇ£¬¼ôÇÐÁ¦ÊÇÕâôÀ´Ë㣬µ«LZÎʵÄÊǼôÇÐ×÷Óá£
¾ÙÀýÀ´Ëµ£¬Ò»¸öÉíÌåÈáÈíorǿ׳µÄÈË£¬Êܵ½Í¬ÑùµÄÁ¦£¬Õâ¸öÁ¦¶Ô¶þÕß²úÉúµÄ×÷ÓÃÊDz»Í¬µÄ¡£
Á½¸ö¸ÅÄî
6Â¥2012-03-02 21:40:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085600 295·ÖÇóµ÷¼Á +4 W55j 2026-03-30 6/300 2026-03-30 17:13 by ÎåºÅµç³Ø5
[¿¼ÑÐ] 317·Ö Ò»Ö¾Ô¸ÄÏÀí¹¤²ÄÁϹ¤³Ì ±¾¿Æºþ¹¤´ó Çóµ÷¼Á +12 ÓóÄàСÁåîõ 2026-03-28 12/600 2026-03-30 17:06 by wangjy2002
[¿¼ÑÐ] 303Çóµ÷¼Á +4 DLkz1314. 2026-03-30 4/200 2026-03-30 16:18 by JourneyLucky
[¿¼ÑÐ] 266·Ö£¬Çó²ÄÁÏÏà¹Ø×¨Òµµ÷¼Á +4 ÍÛºôºßºôºß 2026-03-30 4/200 2026-03-30 16:17 by wangjy2002
[¿¼ÑÐ] 291Çóµ÷¼Á +8 Y-cap 2026-03-29 9/450 2026-03-30 16:10 by Wang200018
[¿¼ÑÐ] 318Çóµ÷¼Á +7 ³Â³¿79 2026-03-30 7/350 2026-03-30 10:49 by ̽123
[¿¼ÑÐ] 327Çóµ÷¼Á +6 ¼³Òàê» 2026-03-29 6/300 2026-03-29 13:40 by peike
[¿¼ÑÐ] 349Çóµ÷¼Á +6 Àîľ×Ó°¡¹þ¹þ 2026-03-25 6/300 2026-03-29 12:47 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +6 ´Þwj 2026-03-26 6/300 2026-03-29 01:11 by hanserlol
[¿¼ÑÐ] ѹ¹ú¼ÒÒ»ÇøÏߣ¬Çóµ¼Ê¦ÊÕÁô£¬Óж÷±ØÐ»£¡ +7 ÃÔÈ˵Ĺþ¹þ 2026-03-28 7/350 2026-03-28 16:47 by ´ß»¯´ó°×
[¿¼ÑÐ] 312£¬ÉúÎïѧÇóµ÷¼Á +3 СÒëͬѧabc 2026-03-28 3/150 2026-03-28 15:32 by ÂäÉ˼
[¿¼ÑÐ] 081200-314 +3 LILIQQ 2026-03-27 4/200 2026-03-28 09:41 by ±£»¤µØÇòÄãÎÒ×öÆ
[¿¼ÑÐ] 086000µ÷¼Á +3 7901117076 2026-03-26 3/150 2026-03-27 21:34 by Jianing_Mi
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉϺ£Àí¹¤ÄÜÔ´¶¯Á¦£¨085800£©310·ÖÇóµ÷¼Á +3 zhangmingc 2026-03-27 4/200 2026-03-27 19:01 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] 314Çóµ÷¼Á +3 ÏªÔÆçæ 2026-03-26 3/150 2026-03-27 11:20 by sanrepian
[¿¼ÑÐ] ¿¼Ñе÷¼Á +9 СÀ¯ÐÂ±Ê 2026-03-26 9/450 2026-03-27 11:10 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +5 .m.. 2026-03-25 5/250 2026-03-27 11:08 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 321Çóµ÷¼Á +6 Ymlll 2026-03-24 6/300 2026-03-26 20:50 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 289Çóµ÷¼Á +17 ˶ÐǸ° 2026-03-23 17/850 2026-03-26 16:18 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó£¬085400£¬320£¬Çóµ÷¼Á +4 gdlf9999 2026-03-24 4/200 2026-03-25 23:01 by boxking200
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û