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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.5, 2009³â, pp.375-383
°æ»ç À§¾îÀÇ À¯·®°è¼ö »êÁ¤¿¡ ´ëÇÑ ¿¬±¸
( Study on Estimation for Discharge Coefficient of Diagonal Weir )
ÀÓÀåÇõ;Áø½Å¿í;¼ÛÀç¿ì; Çö´ë°Ç¼³ ±â¼ú°³¹ß¿ø ±â¼ú¿¬±¸¼Ò;µµÈ­Á¾ÇÕ±â¼ú°ø»ç ¼öÀÚ¿øºÎ;È«ÀÍ´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¼ö¸®¸ðÇü½ÇÇèÀ» ÀÌ¿ëÇÏ¿© °æ»ç À§¾îÀÇ ¼ö¸®Æ¯¼ºÀ» ºÐ¼®ÇÏ¿´À¸¸ç, ¼³°èÁ¶°ÇÀ» ´Ù¾çÇÏ°Ô °í·Á ÇÒ ¼ö ÀÖµµ·Ï ´ÙÁßȸ±ÍºÐ¼®À» ÅëÇØ À¯·®°è¼ö½ÄÀ» Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ, Á¦½ÃµÈ À¯·®°è¼ö½ÄÀ» ÀÌ¿ëÇÏ¿© °æ»ç À§¾îÀÇ È¿°úÀûÀÎ ¼³°è¿¡ ±â¿©Çϴµ¥ º» ¿¬±¸ÀÇ ¸ñÀûÀÌ ÀÖ´Ù. °æ»ç À§¾î´Â ÀüÆø À§¾îº¸´Ù »ó·ù ¼ö¸éÇüÀÌ ÀÏÁ¤ ÇÏ¿´À¸¸ç, °æ»ç À§¾î ¼³Ä¡°¢ÀÌ Áõ°¡ÇÒ¼ö·Ï ¼ö½É À¯Áö È¿°ú°¡ ÄÇ´Ù. ÀÌ·¯ÇÑ °á°ú·Î, ÀüÆø À§¾îº¸´Ù ¸¶·ç±æÀ̰¡ Áõ°¡ÇÑ °æ»ç À§¾î´Â »ó·ù ¼öÀ§¸¦ ÀÏÁ¤ÇÏ°Ô À¯Áö½ÃÄÑ ¿îÇÏ ½Ã½ºÅÛ¿¡ È¿°úÀûÀ¸·Î ÀÌ¿ë °¡´ÉÇÒ °ÍÀÌ´Ù. ´Ü¼øÈ¸±ÍºÐ¼®¿¡ ÀÇÇØ Á¦½ÃµÈ À¯·®°è¼ö½ÄÀº Àû¿ë¼ºÀÌ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸³ª, °¢µµ¿¡ µû¸¥ »êÁ¤¿¡ Á¦¾à¼ºÀ» °¡Á³´Ù. ±×·¯¹Ç·Î, ´Ù¾çÇÑ °¢µµ¿¡ ´ëÇØ Á÷Á¢ÀûÀ¸·Î À¯·®°è¼ö¸¦ »êÁ¤Çϱâ À§ÇØ, ´ÙÁßȸ±ÍºÐ¼®¿¡ ÀÇÇÑ À¯·®°è¼ö½ÄÀ» Á¦½ÃÇÏ¿´´Ù. Á¦½ÃµÈ ½ÄÀº °áÁ¤°è¼ö($R^2$), ÀÜÂ÷ÀÇ ÇÕ, MAPE ºÐ¼®À» ÅëÇØ °ËÁõ ÇÏ¿´À¸¸ç, °æ»ç À§¾îÀÇ ¼³°è¿¡ Àû¿ë °¡´É ÇÒ °ÍÀÌ´Ù.
This study examined hydraulic characteristics on diagonal weirs with hydraulic experiment and presented a discharge coefficient equation utilizing multiple regression analysis for various design conditions. This study had a object in designing efficiently diagonal weirs utilizing this equation. Diagonal weirs maintained uniformly upstream water level than rectangular suppressed weirs. Also, as installation degrees of diagonal weirs increased, diagonal weirs increased maintenance effects of a upstream water level. Because of these characteristics, diagonal weirs were suitable to canal system. This study presented discharge coefficient equations for diagonal weirs utilizing simple regression analysis. But, these equations are some restrictions on degrees. Therefore, this study presented an equation to estimate directly discharge coefficients to various degrees utilizing multiple regression analysis. This equation was verified by making use of analyses of $R^2$, the sum of residuals, MAPE. Therefore, this equation is enable to make good use of a design in diagonal weirs.
 
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°æ»ç À§¾î;±ä ¸¶·ç À§¾î;´ÙÁß È¸±ÍºÐ¼®;¼ö¸® ½ÇÇè;diagonal weirs;long crested weirs;multiple regression analysis;hydraulic experiment;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.5, 2009³â, pp.375-383
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200916041585815)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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