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Çѱ¹¼öÀÚ¿øÇÐȸ / v.20, no.3, 1987³â, pp.237-245
°æ»çÁ¤Áö¼ö¿ªÀ¸·Î À¯ÀԵǴ 2Â÷¿ø ¹Ðµµ·ùÀÇ °Åµ¿
( Behavior of Two Dimensional Density Flow into a Reservoir with Sloping Bottom )
À±ÅÂÈÆ;Àü½Ã¿µ; ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;´Ü±¹´ëÇб³ À̰ø´ëÇÐ Åä¸ñ°øÇаú;
 
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°æ»çÁ¤Áö¼ö¿ªÀ¸·Î À¯ÀԵǴ ¹Ðµµ·ùÀÇ °Åµ¿ÀÌ È帧ÀÇ Áö¹è¹æÁ¤½ÄÀÎ ¿¬¼Ó¹æÁ¤½Ä ¿îµ¿·®º¸Á¸½Ä ¹× ÃßÀû¹°¼ö¼Û½Ä¿¡ ÀÇÇÏ¿© ¼öÄ¡ÀûÀ¸·Î ÇØ¼®µÈ´Ù. ÃÖ´ë¿©Çà°Å¸®¿Í ¾ÈÁ¤ plunge point´Â ¹Ù´Ú°æ»ç¿Í À¯ÀԹеµ Froude ¼ö $Fr_e$¿¡ Áö¹è¸¦ ¹Þ´Â´Ù. ¶ÇÇÑ ±×µéÀº ¹Ù´Ú¹Ðµµ·ùÀÇ »óºÎ³ª plunge pointÀÇ ÇÏ·ù¿¡ Çü¼ºµÈ ¿Í¿Í ¹ÐÁ¢ÇÑ °ü°è°¡ ÀÖ´Ù. Plunge depth´Â ¹Ù´Ú°æ»ç¿Í $Fr_e$ÀÇ ÇÔ¼öÀ̰í, º» ¼öÄ¡½ÇÇè¿¡¼­ ¾òÀº plunge depth´Â ¹ßÇ¥µÈ ½ÇÇèÀڷᳪ ÇØ¼®ÇØ¿Í ºñ±³Àû Àß ¸Â¾ÒÀ¸¸ç ÀÌ¿¡ °üÇÑ ¿¹Ãø½ÄÀÌ À¯µµµÇ¾ú´Ù.
The behavior of negative buoyant flow into a reservoir with sloping bottom is analysed by numerical solution technique of the governing equations composed of continuty, momentum and constituent transport equation. The stable plunge point and maximum travel distance are found to be dependent on the bottom slope of reservoir as well as inflow densimetric Froude number, $Fr_e$. They are also related closely to a vortex formed just downstream from the plunge point and above the underflow. The plunge depth was shown to be a function of th bottom slope and $Fr_e$. The plunge depths obtained in this numerical study agree relatively well with published data and theoretical studies, and its predictive equation is derived.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.20, no.3, 1987³â, pp.237-245
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198711920091986)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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