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  PSV Outlet line size
  ±Û¾´ÀÌ : ¿µ¿£Áø   °íÀ¯ID : show1130     ³¯Â¥ : 18-10-19 14:50     Á¶È¸ : 4877    
Áú¹®¿¡ ¾Õ¼­ Ç×»ó ¸¹Àº °í°ß¿¡ °¨»çÇÕ´Ï´Ù.
 
 
PSV Line outlet line sizeÇÒ °æ¿ì, Mach No.°¡ ³Ê¹« Å©Áö¾Êµµ·Ï °í·ÁÇÏ´Â °ÍÀ¸·Î ¾Ë°í ÀÖ½À´Ï´Ù.
(Flare Main HeaderÀÇ °æ¿ì 0.5ÀÌÇÏ, Tail PipeÀÇ °æ¿ì 0.75ÀÌÇÏ)
PSV DestinationÀÌ ´ë±â¹æÃâ À϶§µµ Mach No.¸¦ °í·ÁÇØ¾ß µÇ´ÂÁö¿ä?
°í·ÁÇØ¾ß µÈ´Ù¸é ±× ÀÌÀ¯´Â ¹«¾ùÀΰ¡¿ä?
 
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½ºÅ×Æijë Stefano   18-10-22 11:00
PSV Vent LineÀÇ Mach No¸¦ ³Ê¹« ³ô°Ô ÇÏ¸é ¹èÃâ½Ã ¼ÒÀ½ÀÌ Å©´Ù´Â °ÍÀε¥ ´ë±â¾Ð ¹æÃâÀÇ °æ¿ì¿¡µµ Mach No.°¡  1¿¡ °¡±õ´Ù¸é º¸È£ ¿ë±â¿¡ °É¸®´Â Over Pressure°¡ ±âÁØÄ¡¸¦ ÃÊ°úÇÒ ¼ö ÀÖÀ» ¿ì·Á°¡ Àֱ⠶§¹®¿¡ Åë»óÀûÀ¸·Î 0.9ÀÌ»óÀ¸·Î µÇÁö ¾Êµµ·Ï ÇÏ´Â Á¤µµÀÔ´Ï´Ù.
ÀÌÁ¾¼® chemtech   18-10-22 12:03
Mach No. ´Â °á±¹¿¡´Â À¯¼Ó / Sonic Velocity ÀÇ ºñÀ²À» ¸»ÇÏ´Â °ÍÀ¸·Î¼­ ¹èÃâµÇ´Â ¹è°üÀÇ ³¡´Ü¿¡
¼­ À¯¼ÓÀÌ ¾ó¸¶Àΰ¡ÀÇ ±âÁØÀ¸·Î À¯¼ÓÀÌ ³Ê¹« »¡¶ó Sonic Velocity¿¡ µµ´ÞÇÏ¸é ¾ÊµÇ¹Ç·Î ÀÏÁ¤
±âÁØÀ» ¸¸µé¾î Mach No. ¸¦ °ü¸®ÇÏ´Â °Í ÀÔ´Ï´Ù

¹èÃâµÇ´Â ÃÖÁ¾ºÎÀÇ ¾Ð·ÂÀÌ ¾ó¸¶ÀÎÁö »ó°ü¾øÀÌ À¯¼ÓÀÇ ¼³°è¹üÀ§°¡ ÆÈ¿äÇÑ °Í ÀÌÁö¿ä
¹«¾úº¸´Ù Áß¿äÇÑ °ÍÀº Â÷¾ÐÀÌ °É¸®Áö ¾Êµµ·Ï ¹è°ü SizingÀ» ÇÏ´Â°Í À̸ç ÀÌ·¸°Ô Á¤»óÀûÀ¸·Î ¼³°è
¸¦ Çϸé Mach No.´Â ÀÚµ¿À¸·Î ¹®Á¦¾øÀÌ Á¤ÇØÁø Á¶°ÇÀ» ¸¸Á·ÇÏ°Ô µË´Ï´Ù
½ºÅ×Æijë Stefano   18-10-22 16:25
(0) ÂüÀ¸·Î ´ä´ä...

(1) Mach No.¸¦ µûÁö´Â ÀÌÀ¯´Â 

1) ¹è°ü³» ¾Ð·ÂÂ÷¸¦ °è»êÇÒ ¶§ Sub-sonicÀ¸·Î °è»êÇÒ °ÍÀÌ³Ä ±×·¸Áö ¾Ê´À³Ä¸¦ ÆÇ°¡¸§Çϱâ À§ÇÔ, 
2) Sub-sonic ±¸°£°ú Sonic ±¸°£À» ±¸ºÐÇÏ¿© °è»êÀ» Á¤È®È÷ Çϱâ À§ÇÔ,
3) ±×¸®ÇÏ¿© ÃÖÁ¾ ¹èÃâºÎÀÇ ¾Ð·ÂÀ¸·ÎºÎÅÍ ¾Ð·ÂÀ» °è»êÇØ ºÁ¼­ PSV ÈÄ´Ü¿¡ °É¸®´Â ¾Ð·ÂÀ» ¾Ë¾Æº¸·Á´Â °ÍÀÌ°í,
4) °á°úÀûÀ¸·Î PSV ¹èÃâºÎÇϸ¦ ¹èÃâ°üÀÇ Å©±â°¡ ´çÇÏ´À³Ä ¸ø´çÇÏ´À³Ä¸¦ ¾Ë¾Æº¸·Á´Â °ÍÀÔ´Ï´Ù.

´Ü¼øÈ÷ (1) Sonic Velocity¸¦ °è»êÇغ¸·Á´Â °ÍÀ̳ª  (2) Sonic Velocity¿¡ µµ´ÞÇÏÁö ¾Êµµ·Ï Çϱâ À§ÇÔÀ̳ª  (3)ÃÖÁ¾ ¹èÃâºÎÀÇ ¾Ð·ÂÀ» ¹«½ÃÇÏ°í ¹èÃâ°üÀ» ¼³°èÇÏ·Á´Â °ÍÀÌ "Àý´ë·Î ¾Æ´Õ´Ï´Ù."

(2) PSV °è»ê¿¡¼­ EgineerµéÀÌ Ãß±¸ÇÏ·Á´Â Àǵµ´Â...
¹è°ü³»¿¡¼­ Sonic Velocity¿¡ µµ´ÞÇÏÁö ¾Ê´Â´Ù°í º¸°í Sub-sonic Velocity °è»ê¼ö½ÄÀ¸·Î °è»êÇÏ·Á´Â °ÍÀÔ´Ï´Ù.  Sub-sonic Calculation Mode´Â ¹Ðµµ(¾ÐÃ༺ ±âüÀÇ °æ¿ì ¾Ð·Â°ú ¿Âµµ)¸¸ °í·ÁÇÏ¸é °è»êÀÌ °£´ÜÇϱ⠶§¹®ÀÌÁö¿ä. 

¸¸ÀÏ.. ¹èÃâ°ü Áß°£ ¾îµò°¡¿¡¼­ Sonic Velocity¿¡ µµ´ÞÇÏ¿´´Ù¸é ±×°÷ ÀÌÈÄ, ¹èÃⱸ Tip±îÁöÀÇ Â÷¾Ð°è»êÀº ¸ðµÎ Sonic Velocity °è»ê¼ö½ÄÀ¸·Î °è»êÇØ¾ß Çϱ⠶§¹®¿¡ °è»êÀÌ ¾ÆÁÖ º¹ÀâÇØÁý´Ï´Ù.  Â÷¾Ð¸¸Å­ ¾Ð·ÂÀÌ ³·¾ÆÁö¸é¼­ ¹Ðµµ°¡ ´Þ¶óÁö°í ±×¿¡ µû¶ó Sonic Velocity°¡ À§Ä¡¸¶´Ù ´Þ¶óÁö±â ¶§¹®ÀÌÁö¿ä.  LineÀ» ¹ÌºÐÇϵí Àß¶ó¼­ Sonic Velocity¸¦ ±¸Çغ»´Ù...  ¸»ÀÌ ½±Áö °ñ¸Ó¸® ¾ÆÇÂÀÏÀÌÁö¿ä.

±×·¡¼­ °è»êÀÌ ½±µµ·Ï Mach No. 1ÀÌ ³ÑÁö ¾Êµµ·Ï ¹Ì¸® Á¡°ËÇØ º¸´Â°ÍÀÌÁö ÀÚµ¿À¸·Î Mach No°¡ Á¶°ÇÀ» ¸¸Á·ÇÏ´Â ÀÏÀÌ ÀÌ·¯³ª´Â ÀÏÀÌ ¾Æ´Õ´Ï´Ù. 

(3) ¾ÊµÇ´Â ==> ¾ÈµÇ´Â   

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ÀÌÁ¾¼® chemtech   18-10-23 09:53
¿£Áö´Ï¾î¸µ ¿¡¼­´Â Sonic Velocity¿¡ µµ´ÞÇÏÁö ¾Ê´Â´Ù°í º¸°í °è»êÇÏ´Â °ÍÀÌ ¾Æ´Ï¶ó
Sonic Velocity¸¦ °è»êÇؼ­ ÀÌ °è»êµÈ Sonic Velocity·Î ½ÇÁ¦À¯¼ÓÀ» ³ª´©¾î Mach No.¸¦ °è»êÀ» Çϸç
ÀÌ°ªÀ» 1 ¹Ì¸¸À¸·Î ¼³°è¸¦ ÇϹǷΠ´ç¿¬ÇÏ°Ô Subsonic Á¶°ÇÀ¸·Î °è»êÀ» ÇÕ´Ï´Ù

À¯¼ÓÀÌ ÀÛÀ¸¸é Áï Mach No. °¡ ÀÛ¾ÆÁö°í ´ç¿¬ÇÏ°Ô Â÷¾ÐÀÌ Àû°Ô °É¸®¸ç À¯¼ÓÀÌ Å©¸é Mach No.µµ Ä¿Áö°Ô µÇ¸ç
´ç¿¬ÇÏ°Ô Â÷¾ÐÀÌ ´õ °É¸®°Ô µÇ°ÚÁö¿ä. µû¶ó¼­ Mach No. °ª¸¸ ºÁµµ ¹è°ü sizingÀÇ ÀûÀý¼ºÀ» Æò°¡ÇÒ¼ö ÀÖÁö¿ä

±Ã±ØÀûÀ¸·Î´Â ¹è°ü±æ¿¡¿¡ ´ëÇØ Â÷¾ÐÀÌ Àû°Ô °É¸®µµ·Ï ¹è°ü SizingÀ» Çؼ­¹®Á¦°¡ ¾øµµ·Ï ÇÏ´Â°Í À̸ç
ÀÌ·¸°Ô Â÷¾Ð¿¡ ¹®Á¦¾øµµ·Ï ¼³°è¸¦ Çϸé Mach No. ´Â µûÁ®º¸Áö ¾Ê¾Æµµ ÀüÇô ¹®Á¦°¡ µÇÁö ¾Ê½À´Ï´Ù
¹«Á¶°Ç Mach No.°¡ 1 ¹Ì¸¸ÀÌ µÇ±â¶§¹® ÀÔ´Ï´Ù

ÀúÀÇ °æ¿ì Mach No.´Â °¡´ÉÇÑ 0.5¸¦ ³ÑÁö¾Ê´Â Á¶°ÇÀ¸·Î ¹è°ü SizingÀ» ÇÕ´Ï´Ù

Mach No. °¡ 1 º¸´Ù ÀÛÀ¸¸é Subsonic ÀÎ °ÍÀ̸ç Mach No.¸¦ ´ç¿¬ÇÏ°Ô 1 º¸´Ù ÀÛ°Ô ¼³°è¸¦ ÇϹǷÎ
¸ðµç PSVÀÇ ¹èÃâ¹è°ü SizingÀº ´ç¿¬ÇÏ°Ô Subsonic Á¶°Ç¿¡¼­ °è»êÀÌ µË´Ï´Ù

Âü°í·Î Sub-sonic ===> Subsonic
½ºÅ×Æijë Stefano   18-10-26 15:24
PSVÀÇ ¹èÃâ°ü ¼³°è½Ã Mach No.  PSV ¹èÃâ°ü Branch Line°ú Main Header°£ÀÌ ¸¸³ª´Â ³¡ºÎºÐ¿¡¼­ÀÇ °ªÀ» ±âÁØÀ¸·Î ÇÏ´Â °ÍÀÌ°í ÀÌ °ªÀ» Branch LineÀÇ °æ¿ì ¿¬°áºÎ ¾Ð·ÂÁ¶°Ç¿¡¼­ 0.7~0.9Á¤µµ·Î Á¤ÇØµÎ°í  PSV~¹èÃâ°ü ÀüüÀÇ ¾Ð·ÂÂ÷°¡ PSV ¼³Á¤¾Ð·ÂÀÇ 10%ÀÌÇÏ°¡ µÇµµ·Ï ¹èÃâ°üÀÇ Å©±â¸¦ Á¤ÇÏ´Â °úÁ¤ÀÔ´Ï´Ù. 

Mach No. 5´Â ÁÖ·Î Main HeaderÀÇ ÃÖ´ë°ªÀ¸·Î ÃëÇÏ´Â Typical °ªÀ̸ç Branch Line°ú´Â ±¸º°ÇÏ¿© »ç¿ëÇÏÁö¿ä.  ÀϹÝÀûÀ¸·Î Main Header¿¡¼­µµ 0.3~0.4 Á¤µµ ¹üÀ§¿¡¼­ Code ±Ô°ÜÀ̳ª ¿£Áö´Ï¾î¸µ»ç¸¶´Ù ¾à°£¾¿ ´Ù¸¥°ªÀ» ÃëÇÕ´Ï´Ù.   

Âü°í·Î ±ÍÇÏÀÇ °Ô½Ã¹°¿¡´Â Ç×»ó ¾ÈµÇ´Â,  ¾ÈµÈ´Ù,... µîÀ» °ÅÀÇ ¿¹¿Ü¾øÀÌ ¾ÊµÈ´Ù,  ¾ÊµÇ´Â, µîÀ¸·Î ¾²¿©À־ óÀ½À¸·Î ÁöÀûÇÑ °ÍÀÔ´Ï´Ù.  Sub-sonicÀ̶ó°í ¾´ °ÍÀº ±¸º°ÇÏ°í °­Á¶Çϱâ À§ÇØ  ÀϺη¯ »ç¿ëÇÏ¿´´ø ¿ë¾îÀÔ´Ï´Ù.  ÇѱÛöÀÚ¹ý ÁöÀûÇß´Ù°í  Sub-sonic ===> Subsonic  ÀÌ·± Æ®Áý Àâ´Â °ÍÀ» µÎ°í  ÇÒ¸»À» ÀÒ½À´Ï´Ù.

Âü°í: http://www.chemeng.co.kr/site/bbs/board.php?bo_table=vqna&sca=&sfl=wr_subject%7C%7Cwr_content&stx=%BE%CA%B5%C7&sop=and&x=28&y=15
¿µ¿£Áø show1130   18-11-16 11:29
³Ê¹« ½±°í ÁÁÀº °í°ßµé ³Ê¹«³Ê¹« °¨»çµå¸³´Ï´Ù.
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