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metalfinally
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2530 Posts

Posted - 12/23/2021 :  09:34:23  ·|­û¸ê®Æ Send metalfinally a Private Message
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.....
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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
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Edited by - metalfinally on 12/23/2021 09:35:01
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¤p¤ò
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Taiwan
9932 Posts

Posted - 12/23/2021 :  09:41:28  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
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http://lordmrx.pixnet.net/blog
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MistOfWar
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USA
1333 Posts

Posted - 12/23/2021 :  11:51:47  ·|­û¸ê®Æ Send MistOfWar a Private Message
quote:

¨S¨£ÃÑ´N¬O¨S¨£ÃÑ!

¤H®a§@²î¼Ò¹êÅç·íµM¬O¥ÎÁY¤Ø¼Ò«¬¦b¤ô¼Ñ§@¹êÅçÅo!
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©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


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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 ¥L­Ì¼gªº³o­Ópaper ¤£¬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)

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©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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quote:

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quote:


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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.
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¨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  ·|­û¸ê®Æ  Visit cwchang2100's Homepage Send cwchang2100 a Private Message
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 ¥L­Ì¼gªº³o­Ópaper ¤£¬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



§Ú­É¥Î¨º±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®ò୷ƽüªº¾¸­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¬°§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???


¬Ý¨ì¤F¨S¡A ©ú©ú¦b¦Ûª¾·d¿ù¡A ¤£´±µ¹linkªº±¡ªp¤U¡A §AÁÙ°í«ù­n¦Û§Ú±a¤J¡§¦Ñ®v¡§ªº¦ì¸m¡A »¡§Ú¡¨ ­J»¡¤K¹D¡§



¥»¨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

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MistOfWar
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USA
1333 Posts

Posted - 12/23/2021 :  15:26:59  ·|­û¸ê®Æ Send MistOfWar a Private Message
quote:

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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  ·|­û¸ê®Æ  Visit cwchang2100's Homepage Send cwchang2100 a Private Message
quote:
Originally posted by MistOfWar


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quote:
Originally posted by MistOfWar


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quote:
Originally posted by MistOfWar


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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!

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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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Edited by - cwchang2100 on 12/23/2021 19:09:48
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BlueWhaleMoon
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12583 Posts

Posted - 12/24/2021 :  13:38:57  ·|­û¸ê®Æ Send BlueWhaleMoon a Private Message
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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MistOfWar
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Posted - 12/24/2021 :  15:42:52  ·|­û¸ê®Æ Send MistOfWar a Private Message
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MistOfWar
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Posted - 12/24/2021 :  16:23:17  ·|­û¸ê®Æ Send MistOfWar a Private Message
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Edited by - MistOfWar on 12/24/2021 17:03:24
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¤p¤ò
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Taiwan
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Posted - 12/24/2021 :  16:31:30  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
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MistOfWar
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1333 Posts

Posted - 12/24/2021 :  16:39:59  ·|­û¸ê®Æ Send MistOfWar a Private Message
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Edited by - MistOfWar on 12/24/2021 16:55:11
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¤p¤ò
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Taiwan
9932 Posts

Posted - 12/24/2021 :  16:46:41  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
¤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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** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....**
http://lordmrx.pixnet.net/blog
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MistOfWar
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USA
1333 Posts

Posted - 12/24/2021 :  16:52:10  ·|­û¸ê®Æ Send MistOfWar a Private Message
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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12583 Posts

Posted - 12/24/2021 :  16:56:30  ·|­û¸ê®Æ Send BlueWhaleMoon a Private Message
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¤p¤ò
§Ú¬O¦Ñ³¾

Taiwan
9932 Posts

Posted - 12/24/2021 :  17:14:49  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
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....
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** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....**
http://lordmrx.pixnet.net/blog
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MistOfWar
¸ô¤H¥Ò¤A¤þ

USA
1333 Posts

Posted - 12/24/2021 :  17:22:46  ·|­û¸ê®Æ Send MistOfWar a Private Message
quote:
¤]´N¬O»¡¦pªG²î¤W¨t²Î¦Û°Ê¤Æµ{«×¶V°ª
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Edited by - MistOfWar on 12/24/2021 17:38:14
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cwchang2100
§Ú¬O¦Ñ³¾

Cayman Islands
17243 Posts

Posted - 12/24/2021 :  18:23:45  ·|­û¸ê®Æ  Visit cwchang2100's Homepage Send cwchang2100 a Private Message
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
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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.
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½×¤å¤¤©ú¥Õ¼gµÛ¤½¦¡¤Tthe cavitation-noise scaling formula,
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quote:
Originally posted by MistOfWar


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§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

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quote:
Originally posted by MistOfWar

­º¥ý³o¬O§Úªº­ì¸Ü¡G
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


³o¬O§Aªº¦^µª¡G
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.
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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§Ú­Ì³Ìªìªº¥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



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³o¤w¸g¬O±`ÃѤF.©Ò¥H¦ÛµM¥D­nªº¬ã¨sªÌ¤£·|¦Û§ä³Â·Ð,±N©ì¦²Án¯Ç°ª³t©ì¦².
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cwchang2100
§Ú¬O¦Ñ³¾

Cayman Islands
17243 Posts

Posted - 12/24/2021 :  18:30:53  ·|­û¸ê®Æ  Visit cwchang2100's Homepage Send cwchang2100 a Private Message
quote:
Originally posted by MistOfWar


³oºØº®²îÀ³¸Ó¥»¨Ó´N¬O¬G·N­n±ß¶¡¶}¿O¨Ó¸É³½ªº.....

¦Ó¥B¨ä¹ê­x¶¤¤ñº®²î©È¥X¨Æ¡A º®²î¨Æ¬G²v®¼°ªªº¡C



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metalfinally
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Posted - 12/24/2021 :  20:18:49  ·|­û¸ê®Æ Send metalfinally a Private Message
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Taiwan
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Posted - 12/24/2021 :  20:44:39  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
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Taiwan
9932 Posts

Posted - 12/24/2021 :  21:51:53  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
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MistOfWar
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