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Çѱ¹¼öÀÚ¿øÇÐȸ / v.23, no.1, 1990³â, pp.119-127
Á¡Âø¼º ºÎÀ¯»ç À̵¿¿¡ °üÇÑ ¼öÄ¡¸ðÇü
( A Numerical Model for Cohesive Suspended Load Movement )
¾È¼öÇÑ;ÀÌ»óÈ­; ¼­¿ï´ëÇб³;µ¿¾Æ´ëÇб³;
 
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Á¡Âø¼º ºÎÀ¯»ç ³óµµºÐÆ÷´Â ÇØ¼öÀ¯µ¿°ú ¹°Áú È®»ê¿¡ ÀÇÇØ¼­ °áÁ¤µÇ¸ç Áö¹è¹æÁ¤½ÄÀ¸·Î´Â 2Â÷¿ø ¼ö½ÉÀûºÐµÈ Reynolds¿îµ¿¹æÁ¤½Ä, ¿¬¼Ó¹æÁ¤½Ä°ú FickÀÇ È®»ê¹ýÄ¢¿¡ ±Ù°Å¸¦ µÐ ´ë·ù-È®»ê¹æÁ¤½ÄÀÌ »ç¿ëµÇ¾ú´Ù. ÇØ¼öÀ¯µ¿°ú Á¡¼ºÅðÀû¹° È®»êÀÎ µÎ°³ÀÇ ¸ðÇüÀº À¯ÇÑÂ÷ºÐ¹ýÀ» ÀÌ¿ëÇÏ¿´°í À¯µ¿¸ðÇüÀº ¾çÇØ¹ý, È®»ê¸ðÇüÀº ´ÙÁõ¹ýÀ» »ç¿ëÇÏ¿© ºÎÀ¯»ç À̵¿ÀÇ Çö»óÀ» ÆÄ¾ÇÇÏ¿´´Ù. ÇØ¼öÀ¯µ¿¹æÁ¤½ÄÀÇ Àû¿ë½Ã À̼ÛÇ×ÀÇ Æ÷ÇÔ¿©ºÎ¿¡ ´ëÇØ¼­ Á¶»çÇÏ¿´À¸¸ç ¹°ÁúÈ®»ê ¹æÁ¤½Ä¿¡ ´ëÇØ¼­´Â ÇѰèÀü´ÜÀÀ·Â°ªÀÇ º¯È­°¡ ºÎÀ¯»ç³óµµ¿¡ ¿µÇâÀ» Áִ°¡¿¡ ´ëÇØ¼­ ºñ±³ÇÏ¿´´Ù.
The concentration of cohesive suspended sediment is determined by the circulation of water and the material dispersion. The equations of the two-dimensional, depth-integrated dispersive transport are the Reynolds equation, continuity equation, and advection-dispersion equation based on the Fick's law. A finite difference method has been applied to two models of circulation and dispersion transport. The circulation model is solved by the explicit scheme and the dispersion transport model is solved by multi-operational scheme. It is investigated wheter advective terms are included when the equation of circulation is applied to the model. For advection-dispersion equation, it was also investigated about variations of suspended sediment concentration with respect to the critical shear stresses.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.23, no.1, 1990³â, pp.119-127
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199011920093088)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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