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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.1, 1999³â, pp.61-70
2Â÷¿ø Random-Walk ¸ðÇüÀ» ÀÌ¿ëÇÑ ÀÚ¿¬ÇÏõÀÇ È¾È®»ê ÇØ¼®
( Modeling of Transverse Mixing in Natural Streams Using 2-D Random-Walk Model )
¼­ÀÏ¿ø;Á¤Å¼º; ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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ÀÚ¿¬ÇÏõ¿¡ À¯ÀÔµÈ ¿À¿°¹°ÁúÀÇ È®»ê°Åµ¿À» ÇØ¼®Çϱâ À§ÇÏ¿© Åë°èÇÐÀûÀÎ °³³äÀ» ÀÌ¿ëÇÏ¿© ¿À¿°¹°Áú ÀÔÀÚÀÇ ¿îµ¿À» ¹¦»çÇÏ´Â 2Â÷¿ø Random-Walk ¸ðÇüÀ» °³¹ßÇÏ¿´´Ù. °³¹ßµÈ ¸ðÇüÀ» °ËÁ¤ÇÑ °á°ú, °íÁ¤°ÝÀÚÀÇ °³¼ö¸¦ Áõ°¡½ÃŰ°Å³ª °¢°¢ÀÇ °íÁ¤°ÝÀÚ ³»¿¡ Æ÷ÇÔµÈ ÀÔÀÚ°³¼öÀÇ Æò±Õ°ªÀ» Áõ°¡½Ã۸é ÇØÀÇ Á¤¹Ðµµ°¡ Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¸ðÇüÀÇ ÇöÀå Àû¿ë¼ºÀ» °ËÅäÇϱâ À§ÇÏ¿© ij³ª´Ù¿¡ À§Ä¡ÇÑ Grand River¿¡¼­ ¼öÇàµÈ Á¤»ó»óÅÂÀÇ »ö¼Ò½ÇÇè °á°ú¿Í º» ¸ðÇü¿¡ ÀÇÇÑ °è»ê°á°ú¸¦ ºñ±³ÇÏ¿´´Ù. ±× °á°ú º» ¸ðÇüÀº ´Ü¸é°ú °î·üÀÌ ºÒ±ÔÄ¢ÇÏ°Ô º¯ÇÏ´Â ÀÚ¿¬ÇÏõ¿¡¼­ÀÇ È¾È®»êÀ» Á¤È®ÇÏ°Ô ¸ðÀÇÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
The two-dimensional Random-Walk model in which fluid and pollutant particles are tracked using statistical concept was developed to simulate dispersion processes in natural streams. The calibration of the model shows that the error decreases as the number of grid increases, and/or the number of particles in each grid increases. The proposed model is tested against the dispersion data collected in the Grand River, Canada. The simulation results show that the 2-D Random-Walk model describes two-dimensional mixing phenomena occurred in the irregular meandering stream very accurately.
 
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ȾȥÇÕ;ÀÚ¿¬ÇÏõ;Random-Walk ¸ðÇü;º¸Á¸¼º;ºñº¸Á¸¼º ¿À¿°¹°Áú;transverse mixing;natural streams;Random-Walk model;conservative or non-conservative solutes;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.1, 1999³â, pp.61-70
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920062966)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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