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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.5, 1999³â, pp.593-593
ÀÚ¿¬ÇÏõÀÇ À¯¼Ó ȾºÐÆ÷ ¸ðµ¨¸µ
( Modeling Transverse Velocity Profile in Natural Streams )
¼­ÀÏ¿ø;¹é°æ¿À; ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú ºÎ±³¼ö;¼­¿ï´ëÇб³ Åä¸ñ°øÇаú ¹Ú»ç°úÁ¤;
 
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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.ÀâÇØÁü¿¡ µû¶ó ½Ã½ºÅÛ Á¶ÀÛ±â¹ý ¶ÇÇÑ Áøº¸ÀûÀÎ ¹æ¹ýÀÌ ¿ä±¸µÈ´Ù. ÀÌ¿¡ µû¶ó ´Ù¾çÇÑ ±â¹ýÀÌ µµÀÔµÇ¾î ½Ã½ºÅÛ Á¶ÀÛ¿¡ Àû¿ëµÇ¾î ¿Ô´Ù. º» ¿¬±¸¿¡¼­´Â ±¹³»¿¡¼­ ÃÖ´ë ±Ô¸ðÀÎ ÇѰ­¼ö°è Àú¼öÁö °èÅëÀÇ ½Ã½ºÅÛ Á¶ÀÛ¿¡ ÃÖÀûÁ¦¾îÀÌ·ÐÀÎ ¼±ÇüÃßÀû ¸ðÇüÀ» Àû¿ëÇÏ¿© ÀÌ¿ë °¡´É¼ºÀ» Æò°¡ÇÑ´Ù. À̶§ ÇѰ­ ¼ö°è Àú¼öÁö °èÅëÀº ¼ö·Â¹ßÀü »ç¿ë¼ö·®À» ÅëÇÏ¿© ÇÏ·ù¿¡ ¿ë¼ö¸¦ °ø±ÞÇÔÀ¸·Î½á ¼öµµ±ÇÀÇ ¿ë¼ö°ø±ÞÀ» ´ã´çÇϰí ÀÖ´Ù. ÀÌ¿¡ À̼öÃø¸éÀÇ ¼öÀÚ¿ø ÀÌ¿ëÀ» ±Ø´ëÈ­Çϱâ À§Çؼ­ ¼ö·Â¹ßÀü ÃÖ´ëÈ­¿¡ Á¶ÀÛ ¸ñÀûÀ» µÎ°í ¿ë¼ö°ø±ÞÀº Á¦¾àÁ¶°ÇÀ¸·Î ÇÏ¿© ¿ì¼±ÀûÀ¸·Î °ø±ÞÇϵµ·Ï ¼±ÇüÃßÀû ¸ðÇüÀ» ¼³°èÇϰí ÃÖÀû Á¦¾îÀ²ÀÇ À¯µµ ¹× Àû¿ëÀ» ÅëÇÏ¿© Àú¼öÁö Á¶ÀÛÀ» ¼öÇàÇÑ´Ù. À̶§ Á¶ÀÛÀº ȭõ´ï, ¼Ò¾ç°­´ï, Ãáõ´ï, ÀǾϴï, ûÆò´ï, ÃæÁÖ´ï, ÆÈ´ç´ï µî ÁÖ¿ä 7°³ ´ïÀ» Æ÷ÇÔÇÏ°í ¿ù´ÜÀ§·Î 21³â°£À» ¼öÇàÇÑ´Ù. ±×¸®°í Á¶ÀÛ°á°ú´Â ¼ö·Â¹ßÀü°ú ¿ë¼ö°ø±Þ ¹× º¸Àå¼ö·® Ãø¸é¿¡¼­ ºÐ¼®µÇ°í Á¶ÀÛ ¿¬»ê È¿À²¼ºÀÌ °ËÅäµÈ´Ù.',ABE = '',PY = '1999-10-00',RF = '23',BN = '',CODEN = '',URI = '',URL = '',URC = '',DOI = '',ISDB = '
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 shape of the measured velocity profiles. The simulated profiles agree well with measurements, especially in the aspects of skewness and flatness.
 
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ÀÚ¿¬ÇÏõ;À¯¼ÓȾºÐÆ÷;¼öÄ¡¸ðÇü;¿Ö°îµµ;ÆíÆòµµ;natural stream;transverse velocity profile;numerical model;skewness;flatness;
 
Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.32, no.5, 1999³â, pp.593-593
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199910102461363)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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