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Çѱ¹¼öÀÚ¿øÇÐȸ / v.28, no.4, 1995³â, pp.195-204
Á¾È®»ê°è¼ö¿¡ °üÇÑ ¿¬±¸ : II. »õ·Î¿î Á¾È®»ê°è¼ö ÃßÁ¤½Ä °³¹ß
( Analysis of Longitudinal Dispersion Coefficient : Part II. Development of New Dispersion Coefficient Equation )
¼­ÀÏ¿ø;Á¤Å¼º; ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¼­¿ï´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ÀÚ¿¬ÇÏõ¿¡¼­ ¼öÁýÇϱ⠿ëÀÌÇÑ ¼ö¸®·® ÀÚ·á·ÎºÎÅÍ Á¾È®»ê°è¼ö¸¦ ÃßÁ¤ÇÏ´Â °ø½ÄÀ» °³¹ßÇÏ¿´´Ù. Â÷¿øÇؼ®À» ¼öÇàÇÏ¿© ¹°¸®Àû Àǹ̸¦ °¡Áø º¯¼ö¸¦ ¼±Á¤ÇÑ ÈÄ, Á¾È®»ê°è¼ö¸¦ ÃßÁ¤Çϴ ȸ±Í½ÄÀ» À¯µµÇϱâ À§ÇÏ¿© ºñ¼±Çü ´ÙÁßȸ±Í¹æ¹ýÀÇ ÇϳªÀÎ One-Step Huber ¹æ¹ýÀ» Àû¿ëÇÏ¿´´Ù. I ´Ü°è ¿¬±¸¿¡¼­ ºÐ¼®ÇÑ ¹Ù ÀÖ´Â ¹Ì±¹ Àü¿ªÀÇ 26°³ ÇÏõ 59ÁöÁ¡ÀÇ ¼ö¸® ¹× ³óµµÀڷḦ »ç¿ëÇÏ¿© »õ·Î¿î Á¾È®»ê°è¼ö ÃßÁ¤½ÄÀ» °³¹ßÇÏ¿´´Ù. 59ÁöÁ¡ÀÇ ÀÚ·áÁß 35ÁöÁ¡Àº Á¾È®»ê°è¼ö¸¦ ÃßÁ¤Çϴ ȸ±Í½ÄÀ» À¯µµÇÏ´Â µ¥ »ç¿ëÇϰí, ³ª¸ÓÁö 24ÁöÁ¡À» »ç¿ëÇÏ¿© À¯µµÇÑ È¸±Í½ÄÀ» °ËÁõÇÏ¿´´Ù. ±âÁ¸ÀÇ °ø½Ä°ú ºñ±³ÇÑ °á°ú, º» ¿¬±¸¿¡¼­ °³¹ßÇÑ ÃßÁ¤½ÄÀÌ ÀÚ¿¬ÇÏõÀÇ È®»ê Ư¼ºÀ» º¸´Ù Á¤È®ÇÏ°Ô ¼³¸íÇÒ ¼ö ÀÖÀ½ÀÌ ¹àÇôÁ³´Ù.
New dispersion coefficient equation which can be used to estimate dispersion coefficient by using only hydraulic data easily obtained in natural streams has been developed. Dimensional analysis was performed to select physically meaningful parameters, One-Step Huber method, which is one of the nonlinear multi-regression method, was applied to derive a regression equation of dispersion coefficient. 59 measured hydraulic data which were collected in 26 streams in the United States and were analyzed in the Part I of this study, were used in developing new dispersion coefficient equation. Among 59 measured data sets, 35 data sets were used in deriving regression equation, and 24 data sets are used for verification. The new dispersion coefficient equation, which has been developed in this study was proven to be superior in explaining dispersion characteristics of natural streams more precisely compared to existing dispersion coefficient equations.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.28, no.4, 1995³â, pp.195-204
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920096019)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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