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metalfinally
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2805 Posts |
Posted - 12/23/2021 : 09:34:23
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quote: Originally posted by ¤p¤ò
©Ò¥H§Ú´£¾ã¸É¥ÒªO¹Ô°ª¤@¼h¡A§ï¦¨¥¬¹p¦hªÅ¯àªÅ¶¡¡A¬Ýn¶ë³fÂd¡A¤ô¹p¡A³½¹p¡A©ì¦²Án¯Ç¡A©Î¬O¦Q±¾Án¯Ç¡A¹Î±d¡A³¨³½¡A¤Hû¹L¹D³£¥i¥H..... nª±¤Ï¼ç¤]¤£¬O¥u¦³Ä¥çFÁn¯Ç©M©ì¦²Án¯Ç¡Aª½¤É¾÷¥Îªº¦Q±¾Án¯Ç¤]¯à¦b²î¤W¨Ï¥Î¡A¯ÊÂI´N¬O¥²¶·°±¤U¨Ó¥Î¡A¦n¦b°»´ú½d³ò¤]¦³50¤½¨½¥H¤W¡A·Qn¦¬Án¯Ç§Ö¶]«e¶i¤]¤£¥Î«Ü¤[¡C ÁÙ¦³¤@Ó¤ñ¸ûªá¿úªº©ß±ó¦¡Án¯Ç¯B¼Ð¡A¨ºÓ¨C¦~³£n½s¹wºâ¥h¶R¡A¤é¥»ªºP-3C¥Î¨ì«á¨Ó´N«z«z¥s¡A¨C¦~³£¦b¥á¿ú¨ì¤ô¨½.....
¬°¤°»òn·d³o»ò³Â·Ð¡A¦Ó¥BÂùÅé²îªº¼u©Ê¨S¨º»ò°ª¡A¥ú¬Oªb¦¿Åܶ𦿡A¤ô¤U²î¼Ò´N«·s³]p¹LÁÙ«¶]¤@¦¸¤ô¼ÑÅçÃҦ椣¦æ §A¦A¥[¤@¼h¥ÒªO¾ãÓ«¤ß³£ÅܤF¡A¤Sn«·s³]p²îÅé¯B¤O¦A¶]¤@¦¸¤ô¼Ò¡C¤£¦Eºâ¡C§ì¤@±ø³æÅé²î¨Ó§ï¤£´N¦n¤F¶Ü¡H |
Edited by - metalfinally on 12/23/2021 09:35:01 |
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¤p¤ò
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Taiwan
10742 Posts |
Posted - 12/23/2021 : 09:41:28
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³æÅé²î¦³ªü¡A§Ú¦³´£¥Î¥ú¤»§ï¦¨µL¤H¤Ï¼ç§Ö¸¥³á..... ¦Ü©ó¨ä¥Lªº2xxx¾·¡A45xx¾·¡A65xx¾·ªº¡A²{¦b³£¤£ª¾¹Dþ¦~¤~·|¦³....¥ý©ñ¹L.... §Ú³Ìªñ¦³ÂIÃhºÃªb¦¿¶ð¦¿¬O¤£¬O²î§À¤Ó»´¡A©Ò¥H§À¬y¤Ó±j¡A¦pªG¥i¥H§â²î§ÀÀ£«À£²`¤@ÂI¡AÅý¤ô¼Q®g¤£nÂ÷¤ô±¤Óªñ¡A»¡¤£©w¥i¥H°§C§À¬yÝ´£°ª±À¶i®Ä²v(¬Ùªo)¡A¦pªG¬°¯u¡A¨º²î§À¥[°ª¤@¼h¤£´N§ó¦n¡H
** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....** http://lordmrx.pixnet.net/blog Åwªï°ÑÆ[ |
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MistOfWar
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USA
1511 Posts |
Posted - 12/23/2021 : 11:51:47
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quote:
¨S¨£ÃÑ´N¬O¨S¨£ÃÑ!
¤H®a§@²î¼Ò¹êÅç·íµM¬O¥ÎÁY¤Ø¼Ò«¬¦b¤ô¼Ñ§@¹êÅçÅo! 1m/s,2m/s,3m/s...³o³£¬O¦b¤ô¼Ñ¤¤ªº¬y³t.´«¦¨¯u¹ê¯è³t,·íµMnÂà´«¹L°Õ. ¤¤¶¡ÁÙ¦³³\¦h³Â·Ðªº¤½¦¡,ªL¥_´N¬OÃi±o¸ÑÄÀ,¤~¤£·Qµ¹ì¤å.½Ð¦Û¤v§ä.
©Ò¥H§Ú»¡¶K³oºØpaper ¸Ìªº¹Ïµ¹¥Xlink¬O°ò¥»¹D¼w°Ú¡A §AY¶Kªº¥u¬O model¼Æ¾Ú¡A ¦ý§A¤S¤£»¡¬Omodel¡A ¤]¨S¦³model¬ÛÃö´«ºâ°Ñ¼Æ¡A §A¬O·Qn½k§Ë½Ö©O¡H
¦ý§A²{¦bªº°ÝÃD¤£¬Omodel©Î¼Æ¾Úªº°ÝÃD¡A ¬O§A¥X¬v¬Ûªº°ÝÃD¡A §A¥H¬°§Ú·|¦b¨S§ä¨ìpaperªº±¡ªp¤U°Ý§An paper¶Ü? §Ú¦ª¾¹D§A®Ú¥»´N¨S¬Ý¹L³opaper, ÀH«K¦bgoogle ¤@Ó¦³¡§towing¡§¦r¼Ëªºªº¾¸µ¦±½u¹Ï´N·Q½k§Ë¤H¡C
Paper¦b³o¸Ì°Õ¡G https://www.researchgate.net/publication/281285377_Underwater_radiated_noise_measurements_with_a_silent_towing_carriage_in_the_Depressurized_Wave_Basin
§A¤£·|¥H¬°¤å³¹¼ÐÃD¡§DWB new silent towing carriage ¡§´N¬O¤ô¤U¦btow¤@ÓªF¦è´ú¶q§a¡C ¡§towing carriage¡¨¨ä¹ê¦ì¦b¤ô¼Ñªº¤W¤è¡A ¦p¦Ppaper¸Ìfig 1 b¹ÏÅã¥Üªº¨º¼Ë¡C ¹êÅ窺®ÉÔ¬O¾a³oÓ¡§towing carriage¡¨§â²î¼Ò©Î°Ê¤O¼Ò²Õ¸m©ó¤ô¤¤¡A towing carriage·|©Ô°Ê²î¼Ò(²î¼Ò¥»¨Y¦³Á³±Û¼Õ¡A towing carriage·|´£¨Ñ°Ê¤O)¡A µM«á¦b¤ô¼Ñ¸Ì´ú¶q(´ú¶q³t«×¡A ªý¤O¡A ¾¸µµ¥)¡C
°ÝÃD¬O¡§towing carriage¡¨³oÓ¹êÅç³]³Æ¥»¨¤]·|»s³y¾¸µ¡A ²üÄõªºMARIN³æ¦ì±qÅK»s·Æ½ü§ï¦¨»E®òà»s·Æ½ü(polyurethane wheel)¡A ¥L̼gªº³oÓpaper ¤£¬O¦b±´°Q¤@Ó¹ê»Ú©ñ¦b¤ô¼Ñ¤º¹êÅ窺²î¼Ò¡A ¦Ó¬O¦b½Í¡§towing carriage¡¨ ¥»¨ªº¾¸µ°ÝÃD°Ú¡C
§Aµ¹ªº³oÓFig 10 ¹Ï¦bpaper²Ä12¶¡A Ãö©óFig 10 ¬O³o»ò¼gªº¡G
quote:
The background noise levels of the silent towing carriage with polyurethane wheels for a range of velocities under atmospheric conditions is given in Figure 10.
¬Ý¨ì§A¥Xªº°ÝÃD¤F¶Ü¡H Fig 10 ¥u¬O¤@Ó¡¨ towing carriage¹êÅç³]³Æªºbackground noise levels¡¨´úÅç¡A §A«o»~¥H¬°¯u¬O¦bTow¤@Ó°}¦C¦b°µ´úÅç¡C
§A³Q§Ú½èºÃ¡§¬°¤°»ò¥u¦³7¸`³t«×¡§¡A §A´N«H¤fJ¹Q³o¥u¬O¤@Ó ¡§model¡§¡A ¦óÁÙ¦³¨ä¥L´«ºâ¡C §Ú¥h¬d¤F³o¤ô¼Ñªºtowing carriage³Ì°ª³t¥u¨ì6m/s¡A ©Ò¥H¤H®a¯u¬O¦b°µ¹ê»Ú0-4 m/sªºI´º¾¸µÈ´úÅç(¤ô¼Ñ¤º§ó°ªªº³t«×¥i¥H¾atowing carriage©M¤ô¼Ñ¤ô¬y³tªº¬Û¹ï³t«×¹F¦¨¡A ¦ý¤H®a²{¦b¥u¬O¦b°µtowing carriage¥»¨ªº¾¸µÈ´úÅç¡C)
Towing carriage«Ü¦hªº¾¸µ¬O±q¡§·Æ½ü¡§¨Óªº¡A ¤H®a«e±ªº½g´T´N¬O¦b¤ñ¸ûÅK»s·Æ½ü©M»E®òà·Æ½üªº¾¸µ¤£¦P¡C
©Ò¥H¤j±M®a°Ú¡A §A²{¦bª¾¹D§A¥Xªº¬v¬Û¦bþ¸Ì¤F¶Ü¡H §A¼L¤W»¡¶K¤@±i¤ô¬y¹ï©ì£Án¯ÇªºªÅ»k®ÄÀ³¾¸µ¹Ï¡A µ²ªG§A¶K¤F¤@±i¹êÅç«Ç¤ô¼Ñ³]³Æ¡§towing carriage¡¨ªº0-4 m/sI´º¾¸µ¹Ï¡A ¨ä¾¸µ¥Dn¨Ó·½¬O·Æyªº³¡¥÷¡A §Ú¨S¨£¹L¦³¤H¦bMDC¥X³oºØ¬v¬ÛÁÙ¨S¦Ûıªº¡C
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§A¥h¬Ý¬Ý§A¤W½gªºµo¨¥¦h»ò¡§¦Û§Ú©ï°ª/¶S§C¥L¤H¡§¡A ¨ä¹ê§AÀ³¸Óª¾¹D®Ú¥»¶K¿ù¹Ï¡A ¦ý§A±¹ï§Ú¸ò§An¤å³¹linkªº½èºÃ¡A §A¦^µª¡G
quote:
§Ú¤S¤£¬O§A¦Ñ®v,¤S¨S®³»È¤l,¾Ì¤°»ò»¡¤Ó©ú??? ÁÙÅG½×¹D¼wù?! §A¦b¨ºùØJ»¡¤K¹D,¬O¦h¦³¹D¼w???
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¦Ó¦b§Ú´£¿ô§A¹Ï¸Ì¼Æ¾Ú¹ï¤£¤Ó¤W®É¡A §Aªº¦^ÂЬO¡G
quote:
¤H®a§@²î¼Ò¹êÅç·íµM¬O¥ÎÁY¤Ø¼Ò«¬¦b¤ô¼Ñ§@¹êÅçÅo! 1m/s,2m/s,3m/s...³o³£¬O¦b¤ô¼Ñ¤¤ªº¬y³t.´«¦¨¯u¹ê¯è³t,·íµMnÂà´«¹L°Õ. ¤¤¶¡ÁÙ¦³³\¦h³Â·Ðªº¤½¦¡,ªL¥_´N¬OÃi±o¸ÑÄÀ,¤~¤£·Qµ¹ì¤å.½Ð¦Û¤v§ä. keyword§Ú³£µ¹§A¤F,¦Û¤v§ä¬Ý±oÀ´ªº,¤£¦n¶Ü???
·d¨ì¦n¹³§A¦³×§Úªº½Ò,¦³¥I»È¤l¤W½Ò,§Ú¨S¦³ºÉ±Ð¾Ç³d¥ô¦üªº?! «ô°U,§Ú¤@¨â»È¤l³£¨S®³,¾ÌÔ£nÁ¿ªº¥¨²ÓÃû¿ò,Á¿¨ì§AÀ´¬°¤î???
¤£À´,¤SnGGYY,þ¨Ó³o»ò¦h¨Æ?! ·Q¥þ·dÀ´,¦n¦n§ä©Ò¤j¾Çµù¥U·í¾Ç¥Í§a!
¨Æ¹ê¤W¬Ý¹L§Úµ¹¥Xªºì¤å«á¡A ¥ô¦ó¤H³£¥i¥Hª¾¹Dì¤å¤£¬O¡§ÁY¤Ø¼Ò«¬¦b¤ô¼Ñ§@¹êÅ硧¡A ¤H®a¬O¦b´ú¶q0-4 m/sªº¹êÅç³]³ÆI´º¾¸µ(¥DnÁn·½ÁÙ¬O·Æ½ü¡A ¤£¬O¤ô¤U¬yÅé²£¥Íªº)¡A ®Ú¥»´N¤£¬O¦b°µ¤@Ó¨ãÅ骺¹êÅç¡C §Aªº¦ÛÅÊ«¬¤H®æ¤S¤£·Q±¹ï§Úªº½èºÃ¡A ¥u¦n¥Î§ðÀ»©Êªº¸Ü³N»¡¡§¨S¨£ÃÑ¡¨¡A ¡§ªL¥_´N¬OÃi±o¸ÑÄÀ¡¨¡A ¡§¦Û¤v§ä¬Ý±oÀ´ªº¡§¡A ¡§¾ÌÔ£nÁ¿ªº¥¨²ÓÃû¿ò,Á¿¨ì§AÀ´¬°¤î¡¨¡A ¡§GGYY, ¦n¦n§ä©Ò¤j¾Çµù¥U·í¾Ç¥Í¡§¡C
§Ú·Q¡A §Aªº°ÝÃD¥i¯àªº½T¤£¥u¬O¹D¼w°ÝÃD¡A ´N¹³ªLªÃ¼Ïªº°ÝÃD¤]¤£¥u¬O¹D¼w°ÝÃD¡A ¤w¸g¬O¦³¯fn¬Ý¯fªº°ÝÃD¡C «Ü¦hºô¸ô¤W¥X¨¥¤£»¹¡A ¥H¬°§ðÀ»§O¤H´N¯à©ï°ª¦Û¤vªºTroll¡A ³£¬O³oºØ¦ÛÅʯfºA¡C
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¹ï¨ä¥Lºô¤Í¡A §Ú·Q»¡ªº¬O¡A »Pcwchang2100§n³o»ò¦h¬[¥H«á¡A §Ú¥uı±o¥L¦b¹q¤l¤¸¥ó¤è±ªº·N¨£ÁÙ¯àťť¡A ¨ä¥L´N¨þ¨þ¤F¡C ¦Ó¥B¥LÅG½×®É±`·|¹³³o¦¸¤@¼Ë¡A °Q½×¤ô¬ycavitation«o¬G·N¥á¥X¤@±i¨Ó¸ô¤£©ú¡A «o¤S¬Ý°_¨Ó¹³¼Ò¹³¼Ëªº¹Ï¡A µM«án§A¦Û¤v¥h¡§¸É¸£¡¨¡C ¨ä¹ê¥L¶Kªº¹Ï»P¹ê»Ú°Q½×ÃD¥Ø±`±`®Ú¥»·¤û°¨¤£¬Û¤Î¡A ¬G§Ë¥Èµê½}¤F¡C
¤H¤¬¬Û¶¡ªº´L«®É¬O°ò¥»ªº, ¦pªG¥L¥X¨¥¤£»¹¡A ¤£»Ýn¦b»P¥L°Q½×®É³Q¥L°ä¦í¡A ³Q¨¥»yÅQâ¡C |
Edited by - MistOfWar on 12/23/2021 11:55:02 |
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cwchang2100
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Cayman Islands
17243 Posts |
Posted - 12/23/2021 : 14:02:28
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quote: Originally posted by MistOfWar
©Ò¥H§Ú»¡¶K³oºØpaper ¸Ìªº¹Ïµ¹¥Xlink¬O°ò¥»¹D¼w°Ú¡A §AY¶Kªº¥u¬O model¼Æ¾Ú¡A ¦ý§A¤S¤£»¡¬Omodel¡A ¤]¨S¦³model¬ÛÃö´«ºâ°Ñ¼Æ¡A §A¬O·Qn½k§Ë½Ö©O¡H
¦ý§A²{¦bªº°ÝÃD¤£¬Omodel©Î¼Æ¾Úªº°ÝÃD¡A ¬O§A¥X¬v¬Ûªº°ÝÃD¡A §A¥H¬°§Ú·|¦b¨S§ä¨ìpaperªº±¡ªp¤U°Ý§An paper¶Ü? §Ú¦ª¾¹D§A®Ú¥»´N¨S¬Ý¹L³opaper, ÀH«K¦bgoogle ¤@Ó¦³¡§towing¡§¦r¼Ëªºªº¾¸µ¦±½u¹Ï´N·Q½k§Ë¤H¡C
Paper¦b³o¸Ì°Õ¡G https://www.researchgate.net/publication/281285377_Underwater_radiated_noise_measurements_with_a_silent_towing_carriage_in_the_Depressurized_Wave_Basin
¨þ¨þ, §A¿ù¤F!
¯u¥¿n¥Îªº½×¤å¬O³o½g:
https://www.researchgate.net/publication/281285258_Model_scale_measurements_of_surface_ship_radiated_flow_noise Model scale measurements of surface ship radiated flow noise
¦¹½gªº¯ÊÂI¬Oºô¯¸Â^¨úªº¹Ï¤£¤Ó¦n,®`§Ú¥²¶·¥Î¥t¥~¤@½gpaperªº¹Ï.
quote: Originally posted by MistOfWar
§A¤£·|¥H¬°¤å³¹¼ÐÃD¡§DWB new silent towing carriage ¡§´N¬O¤ô¤U¦btow¤@ÓªF¦è´ú¶q§a¡C ¡§towing carriage¡¨¨ä¹ê¦ì¦b¤ô¼Ñªº¤W¤è¡A ¦p¦Ppaper¸Ìfig 1 b¹ÏÅã¥Üªº¨º¼Ë¡C ¹êÅ窺®ÉÔ¬O¾a³oÓ¡§towing carriage¡¨§â²î¼Ò©Î°Ê¤O¼Ò²Õ¸m©ó¤ô¤¤¡A towing carriage·|©Ô°Ê²î¼Ò(²î¼Ò¥»¨Y¦³Á³±Û¼Õ¡A towing carriage·|´£¨Ñ°Ê¤O)¡A µM«á¦b¤ô¼Ñ¸Ì´ú¶q(´ú¶q³t«×¡A ªý¤O¡A ¾¸µµ¥)¡C
°ÝÃD¬O¡§towing carriage¡¨³oÓ¹êÅç³]³Æ¥»¨¤]·|»s³y¾¸µ¡A ²üÄõªºMARIN³æ¦ì±qÅK»s·Æ½ü§ï¦¨»E®òà»s·Æ½ü(polyurethane wheel)¡A ¥L̼gªº³oÓpaper ¤£¬O¦b±´°Q¤@Ó¹ê»Ú©ñ¦b¤ô¼Ñ¤º¹êÅ窺²î¼Ò¡A ¦Ó¬O¦b½Í¡§towing carriage¡¨ ¥»¨ªº¾¸µ°ÝÃD°Ú¡C [;/
§Aµ¹ªº³oÓFig 10 ¹Ï¦bpaper²Ä12¶¡A Ãö©óFig 10 ¬O³o»ò¼gªº¡G
quote:
The background noise levels of the silent towing carriage with polyurethane wheels for a range of velocities under atmospheric conditions is given in Figure 10.
¬Ý¨ì§A¥Xªº°ÝÃD¤F¶Ü¡H Fig 10 ¥u¬O¤@Ó¡¨ towing carriage¹êÅç³]³Æªºbackground noise levels¡¨´úÅç¡A §A«o»~¥H¬°¯u¬O¦bTow¤@Ó°}¦C¦b°µ´úÅç¡C
§ÚɥΨº±i¹Ï,¬O¦]¬°¨º±i¹Ï§ó¦n²z¸Ñ.¦]¬°¦³¤£¦P¬y³tªº¤ñ¸û.
§AÁÙ¬G·N©¿²¤¤F"model scale using the cavitation-noise scaling formula Eq. (3) with XX = 15" (XX¬O¤@Ó§Æþ¦r¥À)
¦³¨S¦³¬Ý¨ì"ªÅ»k¾¸µ"??? ¥i¨£ªº§A®Ú¥»n»~¾É¤j®a.
quote: Originally posted by MistOfWar
§A³Q§Ú½èºÃ¡§¬°¤°»ò¥u¦³7¸`³t«×¡§¡A §A´N«H¤fJ¹Q³o¥u¬O¤@Ó ¡§model¡§¡A ¦óÁÙ¦³¨ä¥L´«ºâ¡C §Ú¥h¬d¤F³o¤ô¼Ñªºtowing carriage³Ì°ª³t¥u¨ì6m/s¡A ©Ò¥H¤H®a¯u¬O¦b°µ¹ê»Ú0-4 m/sªºI´º¾¸µÈ´úÅç(¤ô¼Ñ¤º§ó°ªªº³t«×¥i¥H¾atowing carriage©M¤ô¼Ñ¤ô¬y³tªº¬Û¹ï³t«×¹F¦¨¡A ¦ý¤H®a²{¦b¥u¬O¦b°µtowing carriage¥»¨ªº¾¸µÈ´úÅç¡C)
Towing carriage«Ü¦hªº¾¸µ¬O±q¡§·Æ½ü¡§¨Óªº¡A ¤H®a«e±ªº½g´T´N¬O¦b¤ñ¸ûÅK»s·Æ½ü©M»E®òà·Æ½üªº¾¸µ¤£¦P¡C
©Ò¥H¤j±M®a°Ú¡A §A²{¦bª¾¹D§A¥Xªº¬v¬Û¦bþ¸Ì¤F¶Ü¡H §A¼L¤W»¡¶K¤@±i¤ô¬y¹ï©ì£Án¯ÇªºªÅ»k®ÄÀ³¾¸µ¹Ï¡A µ²ªG§A¶K¤F¤@±i¹êÅç«Ç¤ô¼Ñ³]³Æ¡§towing carriage¡¨ªº0-4 m/sI´º¾¸µ¹Ï¡A ¨ä¾¸µ¥Dn¨Ó·½¬O·Æyªº³¡¥÷¡A §Ú¨S¨£¹L¦³¤H¦bMDC¥X³oºØ¬v¬ÛÁÙ¨S¦Ûıªº¡C
¤Ö¨Ó¤F,³o¨â½g³£¬O¦bÁ¿²î¼Ò¹êÅç. ÁÙ"µØ°"°Ç?! ¨S¦³"¦º°"¶Ü?! §A¥H¬°§O¤H¤£·|Ū¶Ü??? ¤p²Â³J! (¶À¤g±ø¥Ü½dµL¸o! ¨þ¨þ )
quote: Originally posted by MistOfWar
»¡¹ê¦b¡A ¥b±í¤ôÅLÅLÅT´Nºâ¤F¡A §AÁٲߺD©Ê¥Î¨¥»y©ï°ª¦Û¤v©M«V°d§O¤H¡A ¸ò¨ºÓ³Ìªñ¾x¥X·s»Dªº¦ÛÅÊ«¬¤H®æªLªÃ¼Ï¦³ÂI¹³¡A §A¦³¯fn¥h¬Ý°Ú¡C
§A¥h¬Ý¬Ý§A¤W½gªºµo¨¥¦h»ò¡§¦Û§Ú©ï°ª/¶S§C¥L¤H¡§¡A ¨ä¹ê§AÀ³¸Óª¾¹D®Ú¥»¶K¿ù¹Ï¡A ¦ý§A±¹ï§Ú¸ò§An¤å³¹linkªº½èºÃ¡A §A¦^µª¡G
quote:
§Ú¤S¤£¬O§A¦Ñ®v,¤S¨S®³»È¤l,¾Ì¤°»ò»¡¤Ó©ú??? ÁÙÅG½×¹D¼wù?! §A¦b¨ºùØJ»¡¤K¹D,¬O¦h¦³¹D¼w???
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¥»¨Ó§Ú´N¨S¸q°È±Ð§A¥þ®M.§A¦Û¤v§ä¥X¨Ó³¡¤Àªº¬ã¨s.´N¶}©l»~¾É¤j®a. ³o¤~¬O³Ì¥O¤H¤£®¢ªº.
§ÚÁ¿ªº¦³¿ù¶Ü??? °ª³t¤ô¬y·|²£¥Í®ðªw,¯}µõ«á²£¥Í¾¸µ. §¹¥þ¨S¦³¿ù! §ÚÁ|ªº½×¤å³Ì«áªºµ²½×¬O:
These measurements demonstrate that the flow around the hull of a surface ship generates underwater noise due to bubble creation when surface waves are breaking and to turbulent excitation of the ship hull.
quote: Originally posted by MistOfWar
¦Ó¦b§Ú´£¿ô§A¹Ï¸Ì¼Æ¾Ú¹ï¤£¤Ó¤W®É¡A §Aªº¦^ÂЬO¡G
quote:
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quote: Originally posted by MistOfWar
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Edited by - cwchang2100 on 12/23/2021 14:24:19 |
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MistOfWar
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USA
1511 Posts |
Posted - 12/23/2021 : 15:26:59
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quote:
¨þ¨þ, §A¿ù¤F!
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https://www.researchgate.net/publication/281285258_Model_scale_measurements_of_surface_ship_radiated_flow_noise Model scale measurements of surface ship radiated flow noise
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cwchang2100
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Cayman Islands
17243 Posts |
Posted - 12/23/2021 : 19:03:11
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quote: Originally posted by MistOfWar
©Ò¥H¡¨¿ù¡§ªº¬O³o½gpaperªº¹Ï¤£°÷¦n¬Ý¡A ¡¨®`¡§§A¥²¶·°½®³¥t¤@½gpaper®Ú¥»¤£¦P¹êÅ窺¹Ï¨Ó¡¨»¡¬G¨Æ¡§¡A ³Q§Ú½èºÃ¼Æ¾Ú¦³°ÝÃD¡A ¥´Áy¥H«á¡A ÁÙ¡¨©Ç¡§§Ú³oÓ¾\ŪªÌ¡¨¿ù»~²z¸Ñ§A¡§¡H¡H
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§A³oºØ¬G§Ë¥Èµê¡A ²¾ªá±µ¤ì¦¡¶K¤@Ó¤£¬Û¤zªº¹Ï¡A ³Q§Ú§ì¥¿µÛ¡A ¦³ÂIsorryªººA«×³o»òÃø¶Ü¡H §A¨ì©³¬O¦h¦ÛÅÊ¡H ¨ä¹ê±q§A³o»ò»´ÃP´N¡¨¥¿·í¤Æ¡§³oºØ¦æ¬°¡A §Ú´N¤w¸g«ÜÃi±o¦A»P§AÅG¤U¥h¤F¡C ¤£¹L§A¤S¶K¤F¤@½g»P§A³Ìªìªº¸Ü¤£¬Û¤zªºpaper, ©Ò¥H§Ú¥u¯à²µuªº»¡¤@¤U§Úªº¬Ýªk¡C
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quote: Originally posted by MistOfWar
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quote:
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quote: Originally posted by MistOfWar
¥i¬O§A³o±´°QÄ¥Å龸µªºpaper¡A ¦³¬Û·í½g´T³£¬O¦b½ÍHull²£¥Íªº¾¸µ ¨Ò¦pFig 5: Spatial distribution of the flow noise sources along the hull ©MÁ¿TBL hull pressuresªº½g´T¡C
§Aµ¹¥Xªºpaper¨S´£¨ì¥bÂItowing²Óªøª«Å骺¾¸µ±¡ªp¡A ¤Ï¦Ó¤j½Í§A쥻»{¬°»P¾¸µ¨S¦³¤°»òÃö«YªºHull¾¸µ¡A §Aµ¹³oºØpaper¥X¨Ó¬O¦b¥´Áy¦Û¤v¶Ü¡H
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quote: Originally posted by MistOfWar
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§ÚÁ¿ªº¦³¿ù¶Ü??? °ª³t¤ô¬y·|²£¥Í®ðªw,¯}µõ«á²£¥Í¾¸µ. §¹¥þ¨S¦³¿ù!
So? §A¡¨°ª³t¡§ªº©w¸q¬O¤°»ò¡H ªÅ»kn¬Ýª«Åé§Îª¬©M¤ô¬y±¡ªp¡A ¤@¿´25¸`²î³tÁ³±Û¼ß240rpmªº²î¦³ªÅ»k¾¸µ¡A ¤£¥Nªí¥t¤@¿´25¸`²î³tÁ³±Û¼ß240rpmªº²î¤]·|¦³ªÅ»k¾¸µ°Ú¡C §Aªº¥ß³õ¤w¸g«á°h¨ì»¡¼o¸Ü¶Ü¡H
§A»¡©ì¦²Án¯Ç¬O¤@Ó²Óªøªºª«Åé¡A°ª²î³t(¦p30¸`)·|²£¥ÍªÅ»k¡A ³o¬O¤@ӫܨãÅ骺±¡ªp¡A §A¬°¤F¡¨ÃÒ©ú¡§¦³³oºØ±¡ªp¬Æ¦Ü¬G·N¶K¤F¤@Ó¦³"towing¡§¦r²´ªº¹Ï(ÁöµM§A«Ü¾x¯º¸Ü¦¡ªº§âtowing carriage³oÓ¹êÅç³]³ÆªºI´º¾¸µ´ú¶q¡A ·í¦¨¬O¦b·dtowing¾¸µ¹êÅç)¡A §A³Ì°_½X¸Ó°µªº¬O§ä¥X¤@Ó©ú½T¦b°µ³oÓ¹êÅ窺paper§a(·íµM¦³¤H°µ¹L³oÓ¹êÅç)¡A §_«hÁÙ¼o¸Ü¤°»ò¡H
https://www.researchgate.net/publication/301295714_Flow_noise_analysis_of_towed_sonar_arrays Flow noise analysis of towed sonar arrays
³oºØ½×¤åºô¸ô¤W¤@¤j°ï,¨ä¹ê§A¦Û¤vGoogle´N¦³¤F. ³o¸Ì¥i¥H©úÅã¬Ý¥X,©ì¦²Án¯Çªº¬ã¨s³£¶°¤¤¦b§CÀW,´N¬O±µªñ1KHz©M¥H¤U. ³o¨Çµ²ªG¸ò§Ú¤W±©Ò´£ªº½×¤åªº¹êÅç¸ê®Æ¬O¤@Pªº. ¦³¨S¦³¬Ý¨ìTBL?! ¦³¿ù¶Ü??? ¤Á...
¨Æ¹ê¤W,I´º¾¸µ´ú¶qªº½×¤å,¸ÑÄÀ¤F¬°¤°»ò²î¨¥Dn¬O¬Ý¤¤°ªÀW. ¨S¦³¿ï³o¨Ç½×¤å,¥DnÁÙ¬O¨S¦³Åã¦Ó©öÀ´ªº¹Ï. »Ýn¦V¸ò§A³oºØ¤p²Â³J¸ÑÄÀ¤@¤j°ï.
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§ÚÁ|ªº½×¤å,¥]¬A§A§ä¨ìªº,þ¤@Ó¦³¦bÁ¿SL??? þ¤@½g¦³¦bÁ¿FOM??? ®Ú¥»´N¬OJ»¡¤K¹D¦Ó¤w! ®Ú¥»¥Î¤£¤WªºªF¦è! ¨º¨Ç¬O°ò¥»·§©À,¯u¥¿¹ê¥Îªº®ÉÔ,¬O¥Î¤£¤Wªº! À´¤£À´?!
n¦bªø½g¤j¶qªº½×¤å¤¤,¬D°ÝÃD·íµM²³æ,³o¤]´N¬O§Ú«Ü¤£·Q´£¨Ñ½×¤åµ¹§A. »°§Ö¾a¦Û¤vŪÂI®Ñ§a! ¥ú¾a§Ú±Ð,³o¤]¤£¬O¿ìªk. ªáÂI»È¤l¥h¤W¤j¾Ç§a! ¨þ¨þ
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Edited by - cwchang2100 on 12/23/2021 19:09:48 |
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BlueWhaleMoon
§Ú¬O¦Ñ³¾
13032 Posts |
Posted - 12/24/2021 : 13:38:57
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quote: Originally posted by metalfinally ©Ò¥HLCS¤Ï¼ç´N¥æµ¹ª½ª@¾÷¤F¡A´î¤Ö¾¸µªº¨ä¤¤¤@Ó¤èªk´N¬OÁn¯ÇÂ÷Ä¥Åé¶V»·¶V¦n¡C
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Taiwan
10742 Posts |
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Taiwan
10742 Posts |
Posted - 12/24/2021 : 14:07:03
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Taiwan
10742 Posts |
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MistOfWar
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USA
1511 Posts |
Posted - 12/24/2021 : 15:42:52
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§Ú¥»¨Ó´N¨S¦³´£¨Ñ½×¤å! n¦Û§Ú·Q¹³³oºØ³±¿Ñ½×,§A¤]¤ÓµL²á¤F§a!
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¤H®a§@²î¼Ò¹êÅç·íµM¬O¥ÎÁY¤Ø¼Ò«¬¦b¤ô¼Ñ§@¹êÅçÅo! 1m/s,2m/s,3m/s...³o³£¬O¦b¤ô¼Ñ¤¤ªº¬y³t.´«¦¨¯u¹ê¯è³t,·íµMnÂà´«¹L°Õ. ¤¤¶¡ÁÙ¦³³\¦h³Â·Ðªº¤½¦¡,ªL¥_´N¬OÃi±o¸ÑÄÀ,¤~¤£·Qµ¹ì¤å.½Ð¦Û¤v§ä. keyword§Ú³£µ¹§A¤F,¦Û¤v§ä¬Ý±oÀ´ªº,¤£¦n¶Ü???
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https://www.researchgate.net/publication/301295714_Flow_noise_analysis_of_towed_sonar_arrays Flow noise analysis of towed sonar arrays
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°ª³t¹ï©ì¦²Án¯Ç·|¦³¼vÅT.¬OÁn¯Ç¥»Åé³Q°ª³t¤ô¬y¼vÅTªº°ÝÃD.¤£¬O²î¨¦n¶Ü??? °ª³t¤ô¬y®e©ö¥X²{ªÅ»k®ÄÀ³.³oºØ¾¸µ¤~¬OP©Rªº.
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§A«o«Dn»¡¼vÅTÁn¯Ç¹B§@ªº¬OªÅ»k¡A ¦ý§A¦Û¤v¶Kªº½×¤å¤]¦b»¡flow noise¡A §¹¥þ¨S»¡Cavitation¡A §A¬O¤£¬O¦Û¤v¥´Áy¦Û¤v¤F¡H (¦Ó¥B§A¶Kªº¡§¤ß¥Ø¤¤ªº½×¤å1.0¡¨¦³´£¨ìTBL¹ï²î¨¾¸µªº¼vÅT¡A ©Ò¥H§Ú¤@¶}©l¤]¨S±Æ°£²î¨¥»¨¥i¯àªº¾¸µ¡A ªZÂ_±Æ°£²î¨¥»¨¾¸µªº¬O§A)
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MistOfWar
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USA
1511 Posts |
Posted - 12/24/2021 : 16:23:17
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¤p¤ò
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Taiwan
10742 Posts |
Posted - 12/24/2021 : 16:31:30
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MistOfWar
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USA
1511 Posts |
Posted - 12/24/2021 : 16:39:59
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Taiwan
10742 Posts |
Posted - 12/24/2021 : 16:46:41
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MistOfWar
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USA
1511 Posts |
Posted - 12/24/2021 : 16:52:10
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quote: ¤j³¡¤Àªºº®²î³£¬Oâ±á²`©]¥X¤J´ä¡A¤j³¡¤Àº®²î¤W±¤]¨S¦³¤ô¤U¨¾¼²Án¯Ç©M¥u¦³Â²³æªº¾É¯è¨t²Î........
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¦Ó¥B¨ä¹êx¶¤¤ñº®²î©È¥X¨Æ¡A º®²î¨Æ¬G²v®¼°ªªº¡C |
Edited by - MistOfWar on 12/24/2021 16:54:23 |
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BlueWhaleMoon
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13032 Posts |
Posted - 12/24/2021 : 16:56:30
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M¤j©Ò¨¥¡A°T®§«Ü¦h¡C
¤]´N¬O»¡¦pªG²î¤W¨t²Î¦Û°Ê¤Æµ{«×¶V°ª ¡]»ÝnÀËצ¸¼Æ¶V¤Ö¡^ ¤H¤O»Ý¨D´N¶V§C
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¤p¤ò
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Taiwan
10742 Posts |
Posted - 12/24/2021 : 17:14:49
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¹³¥D¾÷®ãªo¤ÞÀº¨â³¡ÅÜ¥|³¡¡AMK32³½¹pµo®g¾¹®³±¼¡A©ì¦²Án¯Ç®³±¼¡A¦h¤F¹ïªÅ¹p¹F¡A¦h¤F®ü¼C¤G....¤H¤O±q41ÅÜ53.... ¸Ü»¡®ãªo¥D¾÷¦³»Ýn¤@³¡°t¤@Ó¤H¶Ü¡H
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MistOfWar
¸ô¤H¥Ò¤A¤þ
USA
1511 Posts |
Posted - 12/24/2021 : 17:22:46
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quote: ¤]´N¬O»¡¦pªG²î¤W¨t²Î¦Û°Ê¤Æµ{«×¶V°ª ¡]»ÝnÀËצ¸¼Æ¶V¤Ö¡^ ¤H¤O»Ý¨D´N¶V§C
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²z½×¤W¤@Ó§¹¬üªº¾Ô°«¨t²Î(ªZ¾¹¡A ¹p¹Fµ¥)¡A ¤£¥u©Ê¯à±j¡A ÁÙn¦nÀË´ú©M¦nºûסC
¦ý°È¹ê¤W¡§¨t²Î¦Û°Ê¤Æµ{«×¶V°ª¡¨ÁöµM¥Nªí¤ñ¸û¦nÀË´ú¡A ©¹©¹¤£¥Nªí¡§¦nºûס¨¡A ¬Æ¦Ü¦]¬°³oºØ¨t²Î±Ä¥Îªº¬ì§Þµ{«×³q±`¸û°ª¡A ·|§óÃøºûסC
¦Ó¥B§Ú¹ê»Ú¬Ý¨ì©Ò¿×¡§°ª«×¦Û°Ê¤Æ¨t²Î¡¨¡A ±`¥u¬O¤@ºØ¥b¦Q¤l¡A ¤£§¹¥þªº¦UºØÀË´úÂI¸ê®Æ§PŪ.... ¦]¬°x¤õ¤½¥q³q±`·|§â³Ì¦n¡A 80%ªº¤uµ{¤H¤O©ñ¦b©Ê¯à¶}µoªº³¡¥÷¡A 20%©ñ¦bÀË´úºû׳]p³o¨Ç¡§§CÀu¥ý«×¡¨ªº¶µ¥Ø¡A ³o·|¾ÉP쥻À³¸Ó«Ü¹Ú¤Ûªº¡§¦Û°ÊÀË´ú¡¨³Ì«á¤£¨º»ò¹Ú¤Û¡A ¬Æ¦Ü»Ýn¾aÀWÁcªº»·ºÝ¤ä´©¡C (³o·|ª½±µ¶Ë®`¿W¥ß§@¾Ôªº¯à¤O)
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Edited by - MistOfWar on 12/24/2021 17:38:14 |
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cwchang2100
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Cayman Islands
17243 Posts |
Posted - 12/24/2021 : 18:23:45
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quote: Originally posted by MistOfWar
°ÝÃD¬O§A´£¨Ñ¤F¤@±i¹Ï¡A ¦Ó¥Bn§Ú¦Û¤v§ä½×¤å°Ú¡A ³o¬O§Aªºì¸Ü¡G
quote:
¨S¨£ÃÑ´N¬O¨S¨£ÃÑ!
¤H®a§@²î¼Ò¹êÅç·íµM¬O¥ÎÁY¤Ø¼Ò«¬¦b¤ô¼Ñ§@¹êÅçÅo! 1m/s,2m/s,3m/s...³o³£¬O¦b¤ô¼Ñ¤¤ªº¬y³t.´«¦¨¯u¹ê¯è³t,·íµMnÂà´«¹L°Õ. ¤¤¶¡ÁÙ¦³³\¦h³Â·Ðªº¤½¦¡,ªL¥_´N¬OÃi±o¸ÑÄÀ,¤~¤£·Qµ¹ì¤å.½Ð¦Û¤v§ä. keyword§Ú³£µ¹§A¤F,¦Û¤v§ä¬Ý±oÀ´ªº,¤£¦n¶Ü???
³o¬O§Aµ¹ªº¹Ï¡A §A»¡¦³¤½¦¡¥i¥HÂà´«³o0-4 m/s µ¹ªº¾¸µ¦±½u¡A þ¸Ì¦³¡H¡H
§Úpaperì¤å³£µ¹§A§ä¥X¨Ó¤F¡A ½Ð°Ý³o¬O¦b¤ô¼Ñ¥ÎÁY¤Ø¼Ò«¬²î¼Òªº¹êÅç¶Ü¡H §A´N¬OÀH«K§ä¤FÓ¿ù¹Ï¡A ³Q½èºÃ¼Æ¾Ú«á¤SJ¹Q³o¨Ç¼Æ¾Ú³£¦³Âà´«¤½¦¡¡C §Ú«ö·Ó§Aµ¹ªº¹Ï§ä¥X½×¤å«á¥´Áy§A¡A §A¤S»¡¡§³o¤£¬O§Ú¤ß¥Ø¤¤ªº½×¤å¡A ¥u¬O¹Ï¦n¬Ý¤~¤Þ¥Î¡¨¡C
¦bMDC§AÁÙ¦³Áx¥i¥H«H¤f»Û¶À¡A J»¡¤K¹D¨ì³oºØµ{«×¡H
½×¤å¤¤©ú¥Õ¼gµÛ¤½¦¡¤Tthe cavitation-noise scaling formula, ¬O§A¤@ª½¸õ¹L¥h,¬G·N·Q©¿²¤. ³o¥»¨Ó´N¬O²î¼Ò¹êÅç,©Ò´ú¨ìªº¼Æ¾Ú¥»¨Ó´NnÂà´«¹L¤~¦X²z.
Âà´«¤½¦¡¥»¨Ó´N¦s¦b,¥u¬O¦¹¤½¦¡¬O¦b¬ã¨sÁ³±Û¼ÕªÅ»kªº®ÉÔµo®i¥X¨Óªº. ®£©È¤p²Â³J¤Sn¦©¦r²´,ÉÃDµo´§,§è¤£²M¤F. ©Ò¥H,Âà´«¤½¦¡©ú©ú´N¦³,§A¦Û¤w²´·ú¬Ý¤£¨£,§ÚÁÙ¯à«ç¼Ë?!
ÀW²vªºÂà´«´N¬O fs/fm = ¤ñ¨Ò**(-0.5),
¦Ü©ó³t«×,¦b½×¤å¤W¼g±o«Ü²M·¡,¬O®Ú¾ÚFroude number similarity, ©Ò¥H¤]¬OVs = Vm*¤ñ¨Ò**(0.5). ¤ñ¨Ò¦b¹Ï¤W¦³¼g¬O15,¦]¦¹15**(0.5)=3.87. ¦pªG¬O3m/s¬ùµ¥©ó6¸`,¦]¦¹¹ê»Ú¤W¬Û·í©ó23.22¸`.
³o¤£¬O«Ü²M·¡¶Ü??? «ÂI¬O§A¬Ý¤F,¨ä¹ê¤]¤£ª¾¹D¬OÔ£·N«ä. ¦ôp§Ú±Ð§A«ç»òºâ,¬On¦¬ÂI»È¤lªº! ¨þ¨þ
quote: Originally posted by MistOfWar
¦n¯ºªº¬O§A´£¥Xªº¡§¤ß¥Ø¤¤ªº½×¤å1.0¡¨¤S³Q§Ú¥´Áy¡A ¦]¬°§¹¥þ¤£¬O¦b¬ã¨s©ì£Án¯Ç¡A ¦Ó¥B¦b¬ã¨s²î¨¾¸µªºpaper¡A §A²{¦b¤S´£¥X¤U±ªº¡§¤ß¥Ø¤¤ªº½×¤å2.0¡¨¡C
§Ú¤w¸g§i¶D§A¤F¦³¬ã¨s©ì£Án¯Çªº½×¤å¡A ¦ý³o½×¤å³q½g´N¨S¤@Ó¦r¬O§A»¡ªºªÅ»kCavitation¡C §Ú¤w¸g§i¶D§ACavitation¬O¯S©w±¡ªp(¤£¬O¦³¤ô¬y´N¤@©w¦³¡A ¥Dn¦bÁ³±Û¼Õ)¡A §A»¡tow array·|¦³nµ¹©ú½T»¡©ú¡C
ÁÙ¬O§A»{¬°TBL = Cavitation??
§Ú¥u¬OÁ|Ó¨Ò¤l¦Ó¤w,§A«ç»ò¤£»¡§Ún§A¥h§ä§A¬Ý±oÀ´ªº??? ¤£n¿ï¾Ü©Ê§ä¦Û¤v³ßÅwªºÁ¿.
¨Æ¹ê¤WTBL¦b°ª³t¤ô¬y¬O·|²£¥ÍªÅ»k,³o¦b«Ü¦h½×¤å¤W³£¦³. ³oÓ¤S·Qn§Ú§ä½×¤å±Ð§A¤F¶Ü???
¦]¬°©ì¦²Án¯Ç²{¦b´N¤w¸gª¾¹Dn§C³t©ì¦²¤F, ©Ò¥H¥Ø«eªº¬ã¨sªÌ¬O¤£·|¶Ì¨ì¥h´ú°ª³t¤ô¬y,¦h¼Æ³£¬O¬ã¨s§C¬y³t. n§ä°ª³t¤ô¬yªº¬ã¨s,¦ôpÁÙ¬O§ä±o¨ì,¦ý¬O¥i¯àn«Üªá¤O®ð¥h¦Ò¥j. Ó¤H¬O¤£·Q¸ò§A¬°³oºØ°ò¥»±`ÃÑ®ö¶O®É¶¡,¤Ï¥¿§A¤]¥u¬O·R§äâí¦Ó¤w.
quote: Originally posted by MistOfWar
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quote:
¨ãÅé¤Ï¼ç¾Ô³N°ò¥»³£¬O±j½Õ¡¨ºû«ù§C³t¡§¡A ¤ô¬y¼¯À¿²îÅé®Ú¥»´N¤£¬O§CÀWÁn¯Çªº2-3kHz½d³ò¡A §AY»{¬°Âoªi¾¹¸U¯à¡A ¬°¤°»ò³sºû«ù°ª³t¤Ï¼ç³£°µ¤£¨ì¡H ·Ó¹D²z¨Ó»¡®Ú¥»¤£¬O2-3kHzªº¤ô¬y¾¸µÀ³¸Ó®Ú¥»¤£¼vÅT§CÀW¤Ï¼çÅ¥µ°Ú¡H ¨º¬°¤°»ò¤Ï¼ç¾Ô¤£¯à¶}30¸`¶]¡H
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quote:
°ª³t¹ï©ì¦²Án¯Ç·|¦³¼vÅT.¬OÁn¯Ç¥»Åé³Q°ª³t¤ô¬y¼vÅTªº°ÝÃD.¤£¬O²î¨¦n¶Ü??? °ª³t¤ô¬y®e©ö¥X²{ªÅ»k®ÄÀ³.³oºØ¾¸µ¤~¬OP©Rªº.
¹ï·Ó´X½g½×¤å¡A ½Ö³Ìªìªº¸Ü¤ñ¸û¹ï¡H §ÚÁ¿¨ì¤F¡§¤£¬O2-3kHzªº¤ô¬y¾¸µ¡¨¡A ³o½g¤å³¹Á¿±o¥¿¬O¥Dn1kHz¥H¤UªºFlow Noise (¤ô¬y¾¸µ)¡C §A«o»{¬°¤£¬O¤ô¬y¾¸µ¡A ¦Ó¬O¡§ªÅ»k®ÄÀ³¡§¡A ¦Ó¥B»{¬°³oÓ¡§ªÅ»k®ÄÀ³¡§·|«I¤JÁn¯Çªº2-3kHz¹B§@½d³ò¡C
¬Ý¹L¨º½gÁn¯Ç½×¤åªº´Nª¾¹D,¹êÅ窺³t«×³£¬O§C³t. ³Ì°ª¤~15kts,«ç»ò·|¦³¶W¹L1KHzªºÂøµ??? ¦Ü¤Ö¤]n¨ì30¸`¦n¤£¦n??? §A¥i¥H·ÓTBL¦b°ª³t¤ô¬y¤Uªº½×¤å,´Nª¾¹D¦³¨S¦³2-3KHzªºÂøµ¤F. §Ú²q§A¤Sn°Ý§Ú§ä¤F! ¹ï¤£¹ï??? (¹Ä®ð...)
§Ú´Nª¾¹D·|³o¼ËÀ½¤ú»I¦¡ªº§äâí.«ô°U¦Û¤v§ä,¤£n¤°»ò³£n¤H®a¨Ó¥´Áy!
quote: Originally posted by MistOfWar
§Ú¤£¬OÁn¯Ç±M®a¡A ¦ý§Ú°_½X¤W¹L¤@ÂI½Ò¡A §Ú´N¬O°O±o¤ô¬y¾¸µ¹ï¦Û¨Án¯Ç¼vÅT¬O¤ñ¸û©úÅ㪺¡A ¦Ó¤£¬OªÅ»k®ÄÀ³¡C ®üx¤@ª½±j½ÕªÅ»k¹ïÁ³±Û¼ß¾¸µªº¼vÅT¡A ¦ý§Ú¤£°O±o¦³¯S§O±j½ÕªÅ»k®ÄÀ³¹ï¥»Ä¥Án¯Çªº¼vÅT¡A ¦pªG³o¬O¤@ºØ±`¨£²{¶H¡A ¤£¥i¯à¤£´£ªº¡C
§A«o«Dn»¡¼vÅTÁn¯Ç¹B§@ªº¬OªÅ»k¡A ¦ý§A¦Û¤v¶Kªº½×¤å¤]¦b»¡flow noise¡A §¹¥þ¨S»¡Cavitation¡A §A¬O¤£¬O¦Û¤v¥´Áy¦Û¤v¤F¡H (¦Ó¥B§A¶Kªº¡§¤ß¥Ø¤¤ªº½×¤å1.0¡¨¦³´£¨ìTBL¹ï²î¨¾¸µªº¼vÅT¡A ©Ò¥H§Ú¤@¶}©l¤]¨S±Æ°£²î¨¥»¨¥i¯àªº¾¸µ¡A ªZÂ_±Æ°£²î¨¥»¨¾¸µªº¬O§A)
¦óªp³o¤]±a¤J§Ú̳̪쪺¥t¤@Ó°ÝÃD¡A §A²{¦b¦Û¤v¤]¤j³Û¡§¾¸µ³£¦b1kHz¥H¤U¡¨¡A ¥i¬OÁn¯Ç¹B§@¥Dn¦b2-3kHz¡C §A¤£¬O»{¬°FFT¸U¯à¶Ü¡H ¬JµM¦³¸U¯àªºFFT¨ºn¹LÂo1kHz¥H¤UÂøµ¤£¬O¤Ó²³æ¤F¡H ¬JµM¦p¦¹¡A ¥þ¥@¬ÉxÄ¥ÁÙn§C³t¤Ï¼ç¤z¹À¡H¡H
§AªºÅÞ¿è¤Ó®t¤F!
§Ú¤£¬OÁ¿¹L¤F¶Ü? °ª³t¤ô¬yªºTBL·|²£¥Í´õ¬y,¦]¬°À£¤OÅܤƲ£¥ÍªÅ»k. ³o¤w¸g¬O±`ÃѤF.©Ò¥H¦ÛµM¥Dnªº¬ã¨sªÌ¤£·|¦Û§ä³Â·Ð,±N©ì¦²Án¯Ç°ª³t©ì¦². ©Ò¥H²{¦bªº¥D¤O¬ã¨s,¦ÛµM¶°¤¤¨ì§C³t¤ô¬yªºÂøµ²£¥Í.
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³o¨Ç¯µ±K¸Ü»y¨Ó¦Û¬¡µÛªºC¿q¡A¥Ñ}}¼¯´µ¡EµS¤j¡E¦h°¨°O¿ý¡C ¥L»¡¡G¡u¥ô¦ó¤Hµo²{¤F³o¨Ç¸Üªº·N¸q¡A±N¤£·|À|¨ì¦º¤`ªº´þ¨ý¡C¡v ¦h°¨ºÖµ²Ä1¸` |
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cwchang2100
§Ú¬O¦Ñ³¾
Cayman Islands
17243 Posts |
Posted - 12/24/2021 : 18:30:53
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quote: Originally posted by MistOfWar
³oºØº®²îÀ³¸Ó¥»¨Ó´N¬O¬G·Nn±ß¶¡¶}¿O¨Ó¸É³½ªº.....
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¨º´N¨SÔ£®ü¤W¦b²î¤Wºûפ§Ãþªº¨Æ. ¤Ï¦Ó¥i¯à¬O¥X°ÝÃD¤F,¦A§ä¤H§¤ª½¤É¾÷¥hשάOª½±µ©ì¦^¨Ó. ¤]³\¨ì®É´N¥Î¤£µÛ¨º»ò¦hªº¦³¤H²î,¤]¤£¥Î¨¯W¦a½ü¯Z¤F. ¨þ¨þ
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³o¨Ç¯µ±K¸Ü»y¨Ó¦Û¬¡µÛªºC¿q¡A¥Ñ}}¼¯´µ¡EµS¤j¡E¦h°¨°O¿ý¡C ¥L»¡¡G¡u¥ô¦ó¤Hµo²{¤F³o¨Ç¸Üªº·N¸q¡A±N¤£·|À|¨ì¦º¤`ªº´þ¨ý¡C¡v ¦h°¨ºÖµ²Ä1¸` |
Edited by - cwchang2100 on 12/24/2021 18:52:17 |
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metalfinally
¸ô¤H¥Ò¤A¤þ
2805 Posts |
Posted - 12/24/2021 : 20:18:49
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¬å¤H¬å¨ì³Ì«á¡Aºû×¥i¯à¤]¬O¦Û°ÊÀË´úµLªk¸Ñ¨M®É¡A´N·|¦³¡uºûפp²Õ¡v·fª½ª@¾÷¹L¨Ó¤W²î³B²z¨ºÃþªº ¤G¾Ô¥H«eªºtenderÜ®w²î¥i¯à¤]·|´_¬¡¡A¬°¤F¦Û°Ê¤ÆxÄ¥«e½uºûרºÃþªº
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¤p¤ò
§Ú¬O¦Ñ³¾
Taiwan
10742 Posts |
Posted - 12/24/2021 : 20:44:39
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©Ò¥H²{¦b¬y¦æ3D¦C¦L¡A²î¤W¯Êªº¹s¥ó¦Û¤v¥[¤u¦Û¤v¦L¡C
** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....** http://lordmrx.pixnet.net/blog Åwªï°ÑÆ[ |
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¤p¤ò
§Ú¬O¦Ñ³¾
Taiwan
10742 Posts |
Posted - 12/24/2021 : 21:51:53
|
èè¤S¦^¥h§ä¶ÀªeÄ¥ªøªº³X°Ý¼v¤ù¡AÀA¦¿¯Å¶]´ä°»ªº½T¬O¦Y§¹±ßÀ\¥X®ü¡A¤¤¤È«e¦^´ä¦Y¤ÈÀ\¡C¨ä¥L¥ô°È´N¤£·|¥u¦³¥b¤Ñ¤F¡C
** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....** http://lordmrx.pixnet.net/blog Åwªï°ÑÆ[ |
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MistOfWar
¸ô¤H¥Ò¤A¤þ
USA
1511 Posts |
Posted - 12/25/2021 : 15:50:39
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Edited by - MistOfWar on 12/25/2021 16:23:14 |
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