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Çѱ¹¼öÀÚ¿øÇÐȸ / v.31, no.4, 1998³â, pp.491-501
¿©¼ö·Î À¯µµº® ¼³°è¸¦ À§ÇÑ Á¢±Ù¼ö·ÎÀÇ 2Â÷¿ø Èå¸§ÇØ¼®
( Two-Dimensional Flow Analysis of Approach Channel for the Design of Spillway Guidewall )
À̱漺;±è³²ÀÏ; ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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Á¢±Ù¼ö·ÎÀÇ À¯È² ÆÄ¾Ç°ú ¾ÈÁ¤ÀûÀÎ È帧Á¶°ÇÀ» ¸¸Á·½ÃŰ´Â ¿©¼ö·Î À¯µµº® ¼³°è¸¦ À§ÇÏ¿© ¼öÄ¡¸ðÀǸ¦ ¼öÇàÇÏ¿´´Ù. º¹ÀâÇÑ ÁöÇü ÀçÇöÀÌ ¿ëÀÌÇÑ 2Â÷¿ø À¯ÇÑ¿ä¼Ò¸ðÇüÀÎ RMA-2¸¦ »ç¿ëÇÏ¿´À¸¸ç, ¼ö¸®¸ðÇü½ÇÇèÀÇ °á°ú¸¦ ÀÌ¿ëÇÏ¿© ¸ðÇüÀÇ ¸Å°³º¯¼ö¸¦ ÃßÁ¤ÇÏ¿´´Ù. ¼¼ºÎ±¸°£°ú È®À屸°£À¸·Î ³ª´©¾î¼­ ¼öÄ¡¸ðÀǸ¦ ¼öÇàÇÏ¿´À¸¸ç, À̸¦ ÅëÇÏ¿© °æ°èÀÇ ¿µÇâÀ» ¹«½ÃÇÒ ¼ö ÀÖ´Â ¼ö¸®¸ðÇü½ÇÇèÀÇ »ó·ù°æ°èÀÇ À§Ä¡¸¦ ¼³Á¤ÇÏ¿´´Ù. Á¢±Ù¼ö·Î ³»ÀÇ È帧À» ¾ÈÁ¤È­½Ã۱â À§ÇÏ¿© À¯µµº®ÀÇ ´ë¾È ¼³°è¸¦ ÇÏ¿´À¸¸ç, ÀÌ¿¡ ´ëÇÑ ¼öÄ¡¸ðÀǸ¦ ÅëÇØ¼­ °¢ ´ë¾È¿¡ ´ëÇÏ¿© Èå¸§ÇØ¼®À» ÇÏ¿´´Ù. ´ë¾È¼³°è¿¡ ´ëÇÑ ÇØ¼®°á°ú, Á¢±Ù¼ö·Î ³»ÀÇ À¯È²ÀÌ ¾ÈÁ¤ÀûÀ̸ç Ⱦ¹æÇâ ¼öÀ§ÆíÂ÷°¡ ¿©¼ö·Î ¿ù·ùºÎ Àü¸é¿¡¼­ °ÅÀÇ ÇØ¼ÒµÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.Çٽɿë¾î : ¿©¼ö·Î, À¯µµº®, Èå¸§ÇØ¼®, RAM-2
Numerical simulations were performed to analyse the flow pattern of the approach channel and to design the spillway guidewall for stable flow conditions. RMA-2, two dimensional finite element model which can easily represent complicated geometry was used, and model parameters were estimated from the observation data of hydraulic model test. Numerical experiments were made separately for the approach region and for the upstream region, and upstream boundary position of the hydraulic model beyond which the boundary effects are negligible was determined from the numerical results. For the stable flow condition in approach channel, alternative designs for guidewall were developed, and flow analysis for alternative designs was done through the numerical simulation. From the analysis of alternative design, we can see that the flow pattern in the approach channel is stable and the lateral stage difference disappears mostly before the spillway crest. Keywords : Spillway, Guidewall, Flow analysis, RMA-2
 
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¿©¼ö·Î;À¯µµº®;Èå¸§ÇØ¼®;Spillway;Guidewall;Flow analysis;RMA-2;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.31, no.4, 1998³â, pp.491-501
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920101173)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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