|
![](/site/images/left/m_top.jpg) |
|
ÄÁÅÙÃ÷ | contents |
![](/site/images/left/m_title_arrow.gif) |
|
½ºÅ͵ð | study |
![](/site/images/left/m_title_arrow.gif) |
|
![](/site/images/left/m_bottom.gif) |
|
|
|
ÆßÇÁ Áú¹®µå·Á¿ä |
![±ÛÀÚ Ãà¼Ò](../skin/board/basic/img/icon_zoomout.gif) |
|
±Û¾´ÀÌ : ÇÎÅ©¼ÖÆ® °íÀ¯ID : oldironold
³¯Â¥ : 21-11-29 07:28
Á¶È¸ : 3728
|
|
|
1. Pump suctionÀÇ NPSHa°¡ ÃæºÐÇÏÁö ¾ÊÀ» °æ¿ì impeller¿¡¼ ¾Ð·Â°ÇÏ? head °¨¼Ò?¿¡ ÀÇÇÑ cavitationÀÌ ¹ß»ýÇÏ´Â °ÍÀ¸·Î ¾Ë°í ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ Suction pressure°¡ negativeÀÎ °æ¿ì¿¡´Â (´Ü, NPSHa marginÀº È®º¸ °¡´É) pump ÀÛµ¿¿¡ ¹®Á¦°¡ ¾ø´Â °ÍÀ¸·Î ¾Ë°í´Â Àִµ¥ ¾î¶»°Ô ÈíÀԾзÂÀÌ À½ÀÇ °ªÀε¥ pump°¡ ÀÛµ¿ÇÒ ¼ö ÀÖ´ÂÁö ¼±¶æ ÀÌÇØ°¡ °¡Áö ¾Ê½À´Ï´Ù.
2. NPSHa¿Í Pump suction pressure ±¸ÇÏ´Â °ø½ÄÀÇ Â÷ÀÌ´Â vapor pressure¸¦ »©´Â°¡ »©Áö ¾Ê´Â°¡Àε¥, ÀÌ Â÷ÀÌ°¡ °³³äÀûÀ¸·Î ¿Ö Áß¿äÇÑÁö ¿Ö µÎ °¡ÁöÀÇ °³³äÀÌ Á¸ÀçÇØ¾ß ÇÏ´Â °ÍÀÎÁö ±Ã±ÝÇÕ´Ï´Ù.
°£´ÜÇÑ ³»¿ëÀÌÁö¸¸ ¼ö½ÄÀÌ ¾Æ´Ñ Çö»ó/¿ø¸®¸¦ ÀÌÇØÇϴµ¥ ¾î·Á¿òÀÌ ÀÖ¾î¼ µµ¿òÀ» ûÇÕ´Ï´Ù.
|
|
|
|