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  shell and tube heat exchanger ¿¡¼­ baffle space ´Â ¾î¶²±âÁØÀ¸·Î Àâ¾Æ¾ß Çϳª¿ä?
  ±Û¾´ÀÌ : °í¹Ù   °íÀ¯ID : moozo17     ³¯Â¥ : 14-07-09 17:00     Á¶È¸ : 4960    

½ºÅ×Æijë Stefano   14-07-09 17:55
¹èÇà °£°ÝÀÌ Å©¸é ¾Ð·Â¼Õ½ÇÀº ÀÛ¾ÆÁöÁö¸¸ ¿­Àü´Þ°è¼ö°¡ ¶³¾îÁý´Ï´Ù.  µû¶ó¼­
Heat Transfer Coefficient¿Í Pressure DropÀ» °í·ÁÇؼ­ ŸÇùÇؼ­ Á¤ÇØÁÖ¾î¾ß ÇÕ´Ï´Ù.
°í¹Ù moozo17   14-07-10 08:45
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 1.baffle space ¸¦ Á¤ÇÏ´Â ¾î¶²±âÁØÀ̳ª ´ë·«ÀûÀÎ °ø½ÄÀº ¾ø³ª¿ä? 
  ¾î¶²ÀÚ·á¿¡ º¸´Ï B=0.4Ds(Ds=shell ³»°æ)ÀÌ·±°ø½ÄÀÌ ÀÖ´Â°Í °°´øµ¥¿ä?
   
2. ±×¸®°í counter flow ¿Í parallel flow ±¸ºÐÀº ¾î¶»°Ô ÇØ¾Ö Çϳª¿ä?
    È帧¹æÇâ¿¡ µû¶ó¼­ LMTD °ªÀÌ ¸¹ÀÌ Â÷ÀÌ°¡ ¹ß»ýÇÏÀܾƿä?
    ÇѹæÇâÀ¸·Î¸¸ È帣´Â ÀÌÁß°ü¿¡¼­´Â ¸íÈ®È÷ ±¸ºÐÈ÷ µÇ´Âµ¥, shell and tube ¿¡¼­´Â 2 pass  À̻󿡼­´Â
    ¿Õº¹È帧ÀÌ ÀÌ·ç¾î ÀÌ·ç¾î ÁöÀܾƿä? ±×·¡¼­ ¹æÇâÀ» ¾î¶»°Ô ±¸ºÐÇØ¾ß ÇÒÁö¸¦ ¸ð¸£°Ú½À´Ï´Ù.
    ÀÌ»óÀÔ´Ï´Ù.
    ¼ö°íÇϽʽÿä.
½ºÅ×Æijë Stefano   14-07-10 11:24
(1) ¿øÇü BaffleÀ» ¹Ý´Þ¸ð¾çÀ¸·Î À߶󳻴 Cut ºñÀ²À» ¾ð±ÞÇÑ °ÍÀ¸·Î º¸ÀÔ´Ï´Ù.  Àß¶ó³½ ¸éÀûºñÀ²·Î ³ªÅ¸³»±âµµ ÇÕ´Ï´Ù¸¸ º¸Åë Á÷°æ±æÀÌÀÇ 30~40% µÇ´Â ºÎºÐ¿¡¼­ ÇöÀ» À߶󳻴 ¹æ¹ýÀ¸·Î ³ªÅ¸³»´Â °ÍÀÌ ÀϹÝÀûÀÌÁö¿ä.

(2) ¿­±³È¯±â ¼³°è½Ã Pass°¡ ¸¹Àº °æ¿ì Counter-ParallelÀÇ ±¸ºÐÀÌ ¸ðÈ£ÇØÁú ¼ö°¡ ÀÖÁö¸¸  ¿¬°áµÈ Nozzle¿¡¼­ °í¿Â-Àú¿Â À¯Ã¼ÀÇ ¿ÂµµÂ÷¸¦ ±âÁØÀ¸·Î LMTD¸¦ °è»êÇÏ°í Shell-Tube Pass ¼öÈ¿¿¡ ÇØ´çÇÏ´Â LMTD Correction Factor¸¦ Àû¿äÇØ ÁÖ¸é µË´Ï´Ù. 

¿¬°á³ëÁñ TypeÀ» °£´ÜÇÑ µµ¸éÀ¸·Î º¸¿©Áֱ⵵ ÇÕ´Ï´Ù¸¸ LMTD Correction Factor Chart´Â Counter-Parallel·Î ±¸ºÐµÇ¾î ÀÖÁö´Â ¾Ê½À´Ï´Ù.  ´ëºÎºÐ °£´ÜÇÑ 1-2, 1-4, 2-4, 2-6,.. µîÀÇ Chart¸¦ ÀÌ¿ëÇÏÁö¸¸  ¾ÆÁÖ º¹ÀâÇÑ °æ¿ìµµ ÀÖ½À´Ï´Ù. 

ÀÌ°÷¿¡¼­ ¿©·¯ TypeÀÇ LMTD °è»ê ¹× LMTD Correction Factor Chart ¹× °è»ê¼ö½ÄÀ» ã¾Æ º¸¼¼¿ä.

https://www.google.co.kr/search?q=lmtd+correction+factor+equation&newwindow=1&tbm=isch&imgil=Sbqt5RxKkH5paM%253A%253Bhttps%253A%252F%252Fencrypted-tbn1.gstatic.com%252Fimages%253Fq%253Dtbn%253AANd9GcTdMt8GPNO6ZplXWA-oenCi45PKDvkQ6yUWpi6hK-YoPo7-JCkzGQ%253B269%253B366%253B89OAVaQ8LNf6bM%253Bhttp%25253A%25252F%25252Fexcelcalculations.blogspot.com%25252F2011%25252F06%25252Flmtd-correction-factor.html&source=iu&usg=__zAqg1F7hBggVLitbnaOI9JHOodk%3D&sa=X&ei=a_i9U_a4Nc6pkAXUyYDgBw&ved=0CCMQ9QEwAA&biw=1674&bih=1165&dpr=0.75#newwindow=1&q=lmtd+correction+factor&tbm=isch
°í¹Ù moozo17   14-07-14 10:43
³× ã¾ÆÁ¶°í °øºÎÁ¡Çؼ­ ¿Ã¸±²²¿ä.
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