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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.10, 2009³â, pp.785-793
ºÎÁ¤·ù È¿°ú¸¦ °í·ÁÇÑ Á¶¾Ð¼öÁ¶°¡ ÀÖ´Â »ó¼ö°ü¸ÁÀÇ ÆÄ±«È®·ü
( Probability of Pipe Breakage for Pipe Network with Surge Tank regarding Unsteady Effect )
±ÇÇõÀç;ÀÌöÀÀ; °­¿ø´ëÇб³ Åä¸ñ°øÇаú;°­¿ø´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ºÎÁ¤·ù »óÅÂÀÇ Á¶¾Ð¼öÁ¶¸¦ ÇØ¼® ÇÒ ¼ö ÀÖ´Â ¼öÄ¡¸ðÇüÀÌ °³¹ßµÇ¾ú´Ù. ±×¸®°í ºÎÁ¤·ù È¿°ú¸¦ °í·ÁÇÑ ÆÄÀÌÇÁÀÇ ÆÄ±«È®·ü »êÁ¤À» À§ÇÑ ½Å·Ú¼º ¸ðÇüÀÌ °³¹ßµÇ¾ú´Ù. ÆÄÀÌÇÁ ÆÄ±«ÀÇ »ó´ëÀû À§Çèµµ Æò°¡¿Í Á¶¾Ð¼öÁ¶ÀÇ ±â´É¼º Æò°¡¸¦ À§ÇØ ºÎÁ¤·ù È¿°ú¸¦ °í·ÁÇÑ Á¶¾Ð¼öÁ¶°¡ ÀÖ´Â »ó¼ö°ü¸Á ½Ã½ºÅÛÀÇ ÆÄ±«È®·üÀ» »êÁ¤ÇÏ¿´´Ù. ½Å·Ú¼º ÇØ¼®À» ÅëÇÏ¿© ºÎÁ¤·ù°¡ ÆÄ±«È®·üÀ» Å©°Ô Áõ°¡ ½ÃŰ´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾úÀ¸¸ç Á¶¾Ð¼öÁ¶°¡ ºÎÁ¤·ùÀÇ ¾Ð·ÂÀ» Å©°Ô °¨¼è½ÃÅ´À¸·Î½á ÆÄ±«È®·üÀ» ÇöÀúÈ÷ ÀúÇϽÃŰ´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
Numerical model which can simulate the surge tank for unsteady flow was developed in the present study. Furthermore, reliability model which can calculate the probability of pipe breakage regarding unsteady effect was developed. For the risk estimation of pipe breakage and functional estimation of surge tank, probability of pipe breakage for pipe network with surge tank was calculated regarding unsteady effect. From the results, it was found that unsteady flow significantly increase the probability of pipe breakage and surge tank considerably decrease probability of pipe breakage as damping out the pressure oscillations.
 
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»ó¼ö°ü¸Á;ÆÄÀÌÇÁ ÆÄ±«;½Å·Ú¼º;Á¶¾Ð¼öÁ¶;ºÎÁ¤·ù;Pipe network;Pipe breakage;Reliability;Surge tank;Unsteady flow;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.10, 2009³â, pp.785-793
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200932848675450)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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