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Çѱ¹¼öÀÚ¿øÇÐȸ / v.37, no.8, 2004³â, pp.613-622
Non-Darcy È帧Ư¼ºÀ» °í·ÁÇÑ ÃÖÁ¾Ã¼Àý ¼ö¸®Æ¯¼ººÐ¼®
( Hydraulic Characteristic Analysis of Final Closing considering Non-Darcy Flow )
ÃÖÈï½Ä; »óÁö´ëÇб³ À̰ø°ú´ëÇÐ °Ç¼³½Ã½ºÅÛ°øÇаú;
 
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Non-Darcy Á¦Ã¼³» ħÅõ¼ö È帧°ú ¹è¼ö°©¹®À» ÅëÇÑ È帧ÀÇ Æ¯¼ºÀ» °í·ÁÇÑ ÃÖÁ¾Ã¼ÀýÀÇ ¼ö¸®Æ¯¼ººÐ¼® ¸ðÇü¿¡ ÀÇÇÑ ÇØ¼®°á°ú´Â ½ÇÃøÀÚ·á¿Í Àß ÀÏÄ¡ÇÏ¿© °³¹ßµÈ ¸ðÇüÀÇ Àû¿ë¼ºÀÌ ÀÖÀ½À» º¸¿©ÁÖ¾ú´Ù. ½ÇÃøÄ¡¿ÍÀÇ ºñ±³¿¡¼­ º»°£(1985) ½Ä¿¡ ÀÇÇÑ °è»ê°á°ú°¡ ³ªÁ¤¿ì(1987)¿¡ ÀÇÇÑ ¹æ¹ýº¸´Ù ºñ±³Àû Á¤È®ÇÔÀ» º¸¿©ÁÖ¾ú´Ù. ¾Æ¿ï·¯ ¿ÏÀü ¶Ç´Â ºÒ¿ÏÀü ¿ù·ùÀÇ ±¸ºÐÀÌ ¾øÀÌ ¿ÏÀü¿ù·ù½Ä¿¡ Àá¼öµµ¸¦ ÀÌ¿ëÇÑ À¯·®°è¼ö½ÄÀ» »ç¿ëÇÑ ³ªÁ¤¿ì ½ÄÀÇ »ç¿ë¼ºÀ» º¸¿© ÁÖ¾ú´Ù. º»°£ ½Ä°ú ³ªÁ¤¿ì ½Ä¿¡ ÀÇÇÑ °è»ê °ªÀÌ ½ÇÃøÄ¡º¸´Ù´Â À¯ÃâÀÔ Æ¯¼ºÀÌ Å©°Ô ³ªÅ¸³ª ÇöÀå¿¡¼­ üÀý±¸°£ÀÇ ºÒ±ÔÄ¢ÀûÀÎ ´Ü¸é ¾ç»óÀ» °¨¾ÈÇÑ À¯·®°è¼öÀÇ Á¶Á¤ÀÌ ÇÊ¿äÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. ÀϹÝÀûÀ¸·Î ÃÖÁ¾Ã¼ÀýÀÇ ¼ö¸®Æ¯¼º ºÐ¼®¿¡¼­ Á¦Ã¼±¸°£ÀÇ Ä§Åõ¼ö È帧ÀÇ °í·Á´Â Darcy È帧¿¡ ±âÃÊÇÏ¿© ºÐ¼®ÇÏ¿©¿Ô´Ù. Á¦Ã¼³» ħÅõ¼öÀÇ À¯·®°ú °³¹æ±¸°£À» Åë°úÇÏ´Â À¯·®ÀÇ ºñ°¡ üÀý±¸°£ÀÌ Á¼À»¼ö·Ï Å©°Ô ³ªÅ¸³ª, Á¦Ã¼³» ħÅõ¼öÀÇ Á¤È®ÇÑ ÇØ¼®¿¡ ÀÇÇÑ Ã¼Àý±¸°£ÀÇ ¼ö¸®Æ¯¼ºÀ» ºÐ¼®ÇؾßÇÒ Çʿ䰡 ÀÖ´Ù.
The simulation results of final closing by the developed model considering the flows through tide embankment of non-Darcy and through sluice gate agree well to the observed data which shows the model applicability. In comparative analysis with observed data, the simulation results by Homma(1958) are more accurate than those by Na(1987). The free flow equation with discharge coefficient, regardless of free or submerged flows, by Na based on the submergence ratio is applicable to the engineering practices. Because two simulated discharges are greater than the actual one, the correction of discharge coefficients reflecting the irregular section of actual closing gap situation is necessary. In the hydraulic analysis of final closing, the flow through tide embankment has been generally analysed by Darcy. Hydraulic analysis by the correct discharge through tide embankment of non-Darcy flow is necessary, because the ratio between flows through tide embankment and closing gap is relatively great at final closing.
 
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non-DarcyÈ帧;È£¾ÈÁ¦Ã¼;ÃÖÁ¾Ã¼Àý;Àá¼öµµ;non-Darcy flow;tide embankment;final closing;submergence ratio;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.37, no.8, 2004³â, pp.613-622
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922628320)
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