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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.5, 1999³â, pp.593-601
ÀÚ¿¬ÇÏõÀÇ À¯¼Ó ȾºÐÆ÷ ¸ðµ¨¸µ
( Modeling Transverse Velocity Profile in Natural Streams )
¼­ÀÏ¿ø;¹é°æ¿À; ¼­¿ï´ëÇб³ Åä¸ñ°øÇаú;¼­¿ï´ëÇб³ Åä¸ñ°øÇаú;
 
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ÇÏõÀÇ À¯¼Ó±¸Á¶¿¡ °üÇÑ Áö½ÄÀº ÇÏõ ¾ç¾ÈÀÇ Ä§½Ä, »çÇàÇö»ó, À¯»ç ¹× ¿À¿°¹°ÁúÀÇ È®»ê°úÁ¤À» ±Ô¸íÇϴµ¥ ÇʼöÀûÀÎ ¿ä¼ÒÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â ÀûÀýÇÑ ¼ö¸®·®À» »ç¿ëÇÏ¿© ÀÚ¿¬ÇÏõ¿¡¼­ Á¾¹æÇâÀ¯¼ÓÀÇ È¾ºÐÆ÷¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Â À̷нÄÀ¸·Î ¼öÄ¡¸ðÇüÀ» ±¸¼ºÇÏ¿´´Ù. ±×¸®°í À̸¦ ³«µ¿°­¿¡¼­ ½ÇÃøµÈ À¯¼ÓÀÚ·á¿¡ Àû¿ë½ÃÄ×´Ù. ±× °á°ú ¼öÄ¡¸ðÇüÀº ½ÇÃøµÈ À¯¼ÓºÐÆ÷ÀÇ ÀϹÝÀûÀÎ ÇüŸ¦ ´ëüÀûÀ¸·Î Àß ±Ù»çÇÏ¿´´Ù. ƯÈ÷ ¸ðÇüÀº À¯¼ÓÀÇ È¾ºÐÆ÷¿¡ À־ ¿Ö°îµµ ¹× ÆíÆòµµ¸¦ ÀûÀýÇÏ°Ô ÀçÇöÇÏ¿´´Ù.
The knowledge about structure of the velocity in the stream IS essential in the investigation of stream meandering, erosion and sediment transport, and dispersion of pollutants in the stream. In this study, theoretical velocity profile model in which transverse profile of the longitudinal velocity in the stream can be predicted using stream hydraulic data was developed. The proposed model was tested with the measured velocity data of the Nakdong river. The result shows that the numerical model simulates properly the general shalxc of the measured velocity profiles. The simulated profiles agree well with measurements, especially in the aspects of skewness and flatness.atness.
 
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ÀÚ¿¬ÇÏõ;À¯¼ÓȾºÐÆ÷;¼öÄ¡¸ðÇü;¿Ö°îµµ;ÆíÆòµµ;natural stream;transverse velocity profile;numerical model;skewness;flatness;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.5, 1999³â, pp.593-601
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920063322)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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