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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.1, 2007³â, pp.51-62
Ⱦ¿ù·ùÀ§¾îÀÇ Çü»ó¿¡ µû¸¥ À¯·®ÀÚ¼ö ÃßÁ¤
( An Estimation of Discharge Coefficients with the Variations of Side Weir Shape )
¼ÛÀç¿ì;¹Ú¼º½Ä;±èÁöÈ£; È«ÀÍ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;È«ÀÍ´ëÇб³ ¹æÀ翬±¸¼¾ÅÍ;¼­ÀÏ´ëÇÐ Åä¸ñ°ú;
 
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Ⱦ¿ù·ùÀ§¾îÀÇ ¿ù·ù·®À» »êÁ¤Çϱâ À§Çؼ­´Â Ⱦ¿ù·ùÀ§¾îÀÇ È帧Ư¼ºÀ» ºÐ¼®Çϰí À¯·®°è¼ö¸¦ »êÁ¤ÇÏ´Â °ÍÀÌ ÇÊ¿äÇÏ´Ù. º» ¿¬±¸¿¡¼­´Â ¼ö¸®½ÇÇèÀ» ÅëÇÏ¿© Á÷»ç°¢Çü, »ï°¢Çü Ⱦ¿ù·ùÀ§¾î¿¡ ´ëÇÏ¿© º»·ùÀÇ Froude ¼ö, Ⱦ¿ù·ùÀ§¾îÀÇ Æø, À§¾îÁ¤°¢ µîÀÇ Çü»óº¯È­¿¡ µû¸¥ À¯·®°è¼ö¸¦ »êÁ¤ÇÏ¿´´Ù. Ⱦ¿ù·ùÀ§¾îÀÇ À¯·®°è¼ö´Â Ⱦ¿ù·ùÀ§¾îÀÇ Çü»ó ¹× ±âÇÏÇÐÀû Á¶°Ç°ú º»·ùÀÇ Froude¼ö¿¡ µû¶ó º¯ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ´ÙÁß È¸±ÍºÐ¼®À» ÅëÇÏ¿© Á÷»ç°¢Çü°ú »ï°¢Çü Ⱦ¿ù·ùÀ§¾îÀÇ À¯·®°è¼ö½ÄÀ» Á¦½ÃÇÏ¿´À¸¸ç, ÃøÁ¤µÈ ¿ù·ù·®°úÀÇ ºñ±³ ºÐ¼®À» ÅëÇØ Àû¿ë¼ºÀ» È®ÀÎÇÏ¿´´Ù.
To estimate more accurately the outflow over a sharp crested side weir, it is necessary to analyze the flow characteristics over side weir and to estimate the discharge coefficient in the weir equation. The purpose of this study is to estimate the discharge coefficients of sharp crested rectangular and triangular side weirs by means of hydraulic model experiments with the variations of upstream Froude number in the main channel and length and apex angle. Experimental results show that the discharge coefficients depend on the shape and geometric conditions of side weir as well as the upstream Froude number in the main channel. Through the multiple regression analysis, formulas of discharge coefficient for rectangular and triangular types are proposed and its applicability is confirmed by comparing estimated and measured discharges over side weirs.
 
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Ⱦ¿ù·ùÀ§¾î;À¯·®°è¼ö;Ⱦ¿ù·ù·®;»ï°¢Çü Ⱦ¿ù·ùÀ§¾î;´ÙÁß È¸±ÍºÐ¼®;side weir;discharge coefficient;discharge over side weir;triangular side weir;multiple regression analysis;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.1, 2007³â, pp.51-62
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ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200708506339483)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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