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½ºÅ×Æijë Stefano   13-07-28 15:07
Pump¿¡¼­ "Surging"À̶ó´Â ¿ë¾î´Â »ç¿ëÇÏÁö ¾Ê´Âµ¥  Ȥ½Ã "¼ÒÀ½", "Cavitation", ¶Ç´Â"¾×Ãæ°Ý(Hydraulic Impact hammer)" ¸¦ ÀǹÌÇϴ°ÍÀº ¾Æ´ÑÁö ¹Ì¸® È®Àιٶø´Ï´Ù.  ¾Õ µÎ°¡Áö´Â Pump Suction ¿¡ °ü·ÃµÈ °ÍÀÌ°í  ¸¶Áö¸·Àº Discharge¿Í °ü·ÃµÈ »çÇ×ÀÔ´Ï´Ù.
     
¹è°æȯ grape808   13-08-05 22:22
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hanwonclub¡¦ hanwonclub2   13-07-31 14:38
Á¦°¡ ¾ó¸¶Àü¿¡ Liquid surge analysis¿¡ ´ëÇÑ ½ºÅ͵𸦠Çϱâ À§ÇØ µµ¿òÀ» ¹ÞÀº »çÀÌÆ®°¡ Àִµ¥ ¿©±â Á¢¼ÓÇϼż­ °øºÎÇغ¸½Ã±â ¹Ù¶ø´Ï´Ù. µµ¿òÀÌ µÇ¸®¶ó »ý°¢ÇÕ´Ï´Ù.

http://charliestory.tistory.com/58
     
¹è°æȯ grape808   13-08-05 22:21
ÁÁÀº ÀÚ·á °¨»çÇÕ´Ï´Ù.^^
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Á¶±Ý Á¤ÀÇÀÇ È¥µ¿ÀÌ ÀÖ´Â µíÇÕ´Ï´Ù.

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Åë»óÀº Pump¿¡¼­´Â Compressor ÈçÈ÷ º¼¼öÀÖ´Â SurgingÇö»óÀÌ ³ªÁö ¾Ê½À´Ï´Ù.
±¸¸Å´Ü°è¿¡¼­ Performance Curve°¡ ÃÖ´ëÁ¡ÀÌ ÀÖ´Â Á¦Ç°Àº Á¦¿ÜÇϱ⠶§¹®ÀÔ´Ï´Ù.
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CompressorÀÇ Surge¸¦ °øºÎÇϽøé ÀÚ¿¬ ¾Ë°Ô µÇ½Ç µí Çϱ¸¿ä.

¹ß»ýÁ¶°Ç 2¹øÀÇ ÅäÃâ°ü·Î°¡ ±æ¶§ ¹ß»ýÇÏ´Â °ÍÀº Long Pipeline Surge (or Hammering)À̶ó°í ºÎ¸£´Â °ÍÀ¸·Î
Long PipelineÀÇ ÇÑÂÊ¿¡¼­ÀÇ º¯È­¸¦ Èê·¯°¡´Â À¯Ã¼°¡ ¾Ë¼öÀÖ´Â Speed of InformationÀÌ pressure wave¿¡ Á¦ÇѵDZâ
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ÀÌ pressure peak°¡ UpstreamÀ¸·Î À̵¿Çؼ­ Check Valveµî¿¡¼­ ´Ù½Ã ¹Ý»çµÇ¾î¼­ °è¼Ó ¼ÒÀ½(Hammering)°ú ÇÔ²²
Pressure Peak Wave°¡ ¿Õº¹ÇÏ´Â Çö»óÀÔ´Ï´Ù. ¼³¸íÇÏ·Á´Ï ±äµ¥, À­ºÐ¿¡¼­ ÃßõÇϽŠ»çÀÌÆ® µî¿¡¼­ º°µµ·Î °øºÎÇϽÉÀÌ ÁÁÀ» µíÇÕ´Ï´Ù.

¹ß»ýÁ¶°Ç 2/3¹øÀÇ "¼öÁ¶" ºÎºÐÀº Àß ¸ð¸£°Ú°í, "±â»ó"ÀÌ ÀÖ´Â °æ¿ì´Â Two phase line¿¡¼­ ¹ß»ýÇÏ´Â FlowÀÇ ¹Ýº¹ÀûÀÎ Áõ°¨À» ÀǹÌÇÏ´Â µíÇÕ´Ï´Ù.

±âº»ÀûÀ¸·Î Surge´Â ¿ì¸®¸»·Î ¸Æµ¿Çö»óÀ̹ǷΠPump/Compressor surge, long pipeline surge, two phase line surge µî ¿©·¯ Àǹ̷Π»ç¿ëµË´Ï´Ù.
¹è°æȯ grape808   13-08-05 22:22
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