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Çѱ¹¼öÀÚ¿øÇÐȸ / v.29, no.5, 1996³â, pp.161-172
»ó¿ë°ü ¸¶Âû°è¼ö¿¡ µû¸¥ °ü¸ÁÇØ¼®
( Pipe Network Analysis according to Friction Factor of Commercial Pipe )
À¯µ¿ÈÆ;¿øÀ¯½Â;À±°è¼·; ¾ÆÁÖ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¾ÆÁÖ´ëÇб³ Åä¸ñ°øÇаú;(ÁÖ) ´ë¿ì¿£Áö´Ï¾î¸µ ȯ°æ»ç¾÷ºÎ;
 
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»ó¿ë°ü ¸¶Âû°è¼ö »êÁ¤À» À§ÇØ °³¹ßµÈ ±âÁ¸ÀÇ Hazen-Williams ½Ä, Colebrook-White ½Ä°ú À¯µ¿ÈÆ(1995)ÀÌ Á¦¾ÈÇÑ¾ß ¿µÁ¡³ôÀÌ Æò±Õ¹ý°ú ¸¶Âû°è¼ö Æò±Õ¹ýÀÇ »êÁ¤½ÄµéÀ» ºñ±³ °ËÅäÇÏ¿´´Ù. °£´ÜÇÑ °ü¸Á¿¡ ´ëÇÏ¿© °üÁ¾·ù, °ü°æ, À¯¼Ó, °ü±æÀ̸¦ º¯È­½ÃÄÑ ¼ö¸®Á¶°ÇÀ» ±¸¼ºÇÏ¿´À¸¸ç, ³×°¡Áö »ó¿ë°ü ¸¶Âû°è¼ö »êÁ¤½ÄÀ» Àû¿ëÇÏ¿© ±¸ÇÑ ¾Ð·ÂÂ÷À̸¦ ºñ±³ÇÏ¿© °¢°¢ÀÇ »êÁ¤½ÄµéÀÌ °¡Áö´Â Ư¡À» ³íÇÏ¿´°í, ÀÔ·ÂÀÚ·áÀÇ º¯È­¿¡ µû¶ó ¸¶Âû¼Õ½ÇÀÌ ¾î¶°ÇÑ °Åµ¿À» ÇÏ´ÂÁö ¾Ë¾Æº¸¾Ò´Ù. °ü°æÀ» ¼ÒÇü°ü ¹×´ëÇü°üÀ¸·Î º¯È­½ÃÄ×À» ¶§ÀÇ ºÐ¼®°á°ú¿Í ÁßÇü°üÀÏ ¶§ÀÇ ºÐ¼®°á°ú¸¦ ¼¼ Á¾·ùÀÇ °­°ü¿¡ ´ëÇÏ¿© ºñ±³ÇÏ¿´°í, À¯¼Ó º¯È­¿Í ¾Ð·Â º¯È­¿ÍÀÇ ºñ±³¸¦ ÅëÇÏ¿© ±âÁ¸ »ó¿ë°ü ¸¶Âû °è¼ö »êÁ¤½ÄÀÇ ¹®Á¦Á¡¿¡ ´ëÇÏ¿© ³íÇÏ¿´´Ù.
Studied are the existing equations of Hazen-Williams and Colebrook-White, and the equations of Yoo's (1995) mean zero velocity point and mean friction factor developed for the estimation of commercial pipe friction factor. Simple arrangements of pipe network are devised by changing the diameter, flow discharge and length, and the characteristics of four equations are investigated by comparing the computed results of pressures at each node. Three groups of pipe diameter, small, medium, large, are considered in the comparison, and various problems of existing equations are discussed based on the computed results of pressures and velocities.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.29, no.5, 1996³â, pp.161-172
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920097823)
¾ð¾î : Çѱ¹¾î
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