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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.6, 2008³â, pp.575-585
ÀÚ¿¬ÇÏõ¿¡¼­ ChiuÀÇ À¯¼ÓºÐÆ÷¿Í ÃÖ´ëÀ¯¼Ó ÃßÁ¤À» ÀÌ¿ëÇÑ À¯·®»êÁ¤
( Discharge Computation in Natural Rivers Using Chiu's Velocity Distribution and Estimation of Maximum Velocity )
±èâ¿Ï;À̹ÎÈ£;À¯µ¿ÈÆ;Á¤¼º¿ø; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÇÏõ.ÇØ¾È¿¬±¸½Ç;±¹ÅäÇØ¾çºÎ ÇѰ­È«¼öÅëÁ¦¼Ò ÇÏõÁ¤º¸¼¾ÅÍ;¾ÆÁÖ´ëÇб³ ȯ°æ°Ç¼³±³Åë°øÇкÎ;À¯·®Á¶»ç»ç¾÷´Ü;
 
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¼öÀÚ¿øÀÇ °èȹ Æò°¡ °ü¸® ¹× ¼ö°ø±¸Á¶¹°ÀÇ ¼³°è¸¦ À§Çؼ­´Â Á¤È®ÇÏ°í ½Å·Ú¼º ³ôÀº À¯·® ÀÚ·á°¡ ÇʼöÀûÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â ChiuÀÇ À¯¼ÓºÐÆ÷¿Í ÃÖ´ëÀ¯¼Ó ÃßÁ¤À» ÀÌ¿ëÇÏ¿© ÇÏõÀ¯·®À» °è»êÇÏ´Â »õ·Î¿î ¹æ¹ýÀ» Á¦½ÃÇÏ¿´´Ù. ±âÁ¸ ¸éÀûÀ¯¼Ó¹ý°ú ºñ±³ °ËÅäÇÑ ¹Ù, º» ¿¬±¸¿¡¼­ °³¹ßÇÑ ¹æ¹ýÀº ±âÁ¸ À¯¼Ó¸éÀû¹ý°ú ¸Å¿ì À¯»çÇÑ ÇÏõÀ¯·®À» º¸¿´´Ù. Price-AA¸¦ ÀÌ¿ëÇÏ¿© À¯¼ÓÀ» ÃøÁ¤ÇÒ °æ¿ì Ãø¼±ÀÇ ¼ö½É¿¡ µû¶ó Á¤ÇØÁø ÁöÁ¡¿¡¼­ À¯¼ÓÀ» ÃøÁ¤ÇÏ¿©¾ß Çϴµ¥, º» ¿¬±¸¿¡¼­ Á¦½ÃÇÑ ¹æ¹ýÀ» ÀÌ¿ëÇϸé ÀÓÀÇÀÇ Ãø¼±°ú ÃøÁ¡¿¡¼­ À¯¼ÓÀ» ÃøÁ¤ÇÏ¿©µµ Á¤È®ÇÑ À¯·®°è»êÀÌ °¡´ÉÇÏ´Ù. ±×·¯³ª È帧 ´Ü¸éÀÌ ¸Å¿ì º¹ÀâÇϰųª Á¿ìÀÇ ºñ´ëμºÀÌ ½ÉÇÑ °æ¿ì¿¡´Â ¿£Æ®·ÎÇÇ °³³äÀÇ ChiuÀÇ À¯¼ÓºÐÆ÷°¡ ½ÇÁ¦ ÀÚ¿¬ÇÏõÀÇ È帧ºÐÆ÷¿¡¼­ ¸Ö¾îÁö°í À¯·®»êÁ¤¿¡ ChiuÀÇ À¯¼ÓºÐÆ÷ÀÇ Á¤È®µµ°¡ ¶³¾îÁö±â ¶§¹®¿¡ º» ¿¬±¸¿¡¼­ Á¦½ÃÇÑ ¹æ¹ýÀ» Àû¿ëÇÏ±â ¾î·Æ´Ù.
It is essential to obtain accurate and highly reliable streamflow data for water resources planning, evaluation and management as well as design of hydraulic structures. A new discharge computation method proposed in this research uses Chiu's velocity distribution and estimation of maximum velocity. This method shows acceptable channel discharges comparing these by the exiting velocity-area method. When velocity-area method is used, it is required to observe velocities at every specified point and vertical line using a velocity meter like Price-AA. If the method proposed in this research, is used, however it is not necessary to observe all point velocities needed in the velocity-area method. But this method can not be applied for the cases of very complex and strongly asymmetric channel cross-sections because Chiu's velocity distribution using entropy concept may be quite biased from that of natural rivers.
 
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À¯·®»êÁ¤;À¯¼Ó¸éÀû¹ý;ÃÖ´ëÀ¯¼Ó;ChiuÀÇ À¯¼ÓºÐÆ÷;discharge estimation;velocity-area method;maximum velocity;Chiu's velocity distribution;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.6, 2008³â, pp.575-585
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200819160171653)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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