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Çѱ¹¼öÀÚ¿øÇÐȸ / v.33, no.2, 2000³â, pp.195-205
ºÒÅõ¼öÃþ »ç¸é¿¡¼­ÀÇ µµ´Þ½Ã°£
( Time of Concentration on Impervious Overland )
À¯µ¿ÈÆ;Àü¿ì¿ë; ¾ÆÁÖ´ëÇб³ ȯ°æ.µµ½Ã°øÇкÎ;¾ÆÁÖ´ëÇб³ °Ç¼³±³Åë°øÇаú ´ëÇпø, ´ë¿µ¿£Áö´Ï¾î¸µ ¿¬±¸½Ç;
 
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µµ´Þ½Ã°£ »êÁ¤¿¡ ÀÖ¾î °í·ÁµÇ¾î¾ß ÇÒ ¿ä¼Ò¿¡´Â À¯¿ªÇü»ó°ú È帧»óÅÂ, À¯ÃâÆ¯¼º µîÀÌ ÀÖ´Ù. ÇÑÆí Singh(1976)Àº ÁöÇ¥¸éÈ帧À» Kinematic Wave ÀÌ·ÐÀ¸·Î ÇØ¼®ÇÏ¿´À¸¸ç À¯¿ªÇü»óÀ» Æò¸éÇü»ó°ú ¼ö·ÅÇü»ó, ¹ß»êÇü»óÀ¸·Î ºÐ·ùÇÏ¿© À¯¿ªÇü»ó¿¡ µû¸¥ µµ´Þ½Ã°£ »êÁ¤½ÄÀ» Á¦½ÃÇÏ¿´´Ù. º» ³í¹®¿¡¼­´Â SinghÀÌ Á¦½ÃÇÑ Æò¸éÇü»ó¿¡¼­ÀÇ µµ´Þ½Ã°£ »êÁ¤½Ä¿¡ ±âÃÊÇÏ¿© ºÒÅõ¼ö ÁöÇ¥¸é À¯Ãâ¿¡¼­ÀÇ µµ´Þ½Ã°£ »êÁ¤À» ´Ù·ç¾ú´Ù. À̸¦ À§ÇÑ ÀÌ·Ð½Ä À¯µµ´Â È帧À» °³¼ö·Î È帧(Ãþ·ù, ¿Ï³­·ù, Àü³­·ù)À¸·Î ÆÄ¾ÇÇÏ¿© ¼öÇàÇÏ¿´°í °¢ °³¼ö·Î È帧»óÅ¿¡ ´ëÇÑ À̷нÄÀ» Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ °­¿ì°­µµ¸¦ ÁÖ¿ä ÀÎÀÚ·Î °í·ÁÇÏ¿© ÀçÇö±â°£º° °­¿ì°­µµ¸¦ Æ÷ÇÔÇÑ ±Ù»ç½Ä Áï º¹ÇÕÇü µµ´Þ½Ã°£ »êÁ¤½ÄÀ» °³¹ßÇÏ¿´´Ù.
Many types of factors were devised to calculate time of concentration. Singh(976) derived time of concentration of overland flow using kinematic wave theory for plane, converging, and diverging geometric configurations. The present paper investigated the time of concentration for particularly plane geometric configuration. A theoretical equation of time of concentration is derived based on the assumption of impervious overland flow as in the open channel flow. The study characterized the overland flow by many types of characteristic flow such as rough turbulent flow, smooth turbulent flow, laminar flow, and then suggested a theoretical equation on each flow condition. The present paper further considered the rainfall intensity as a main factor and devised an approximate composite equation reflecting the effect of rainfall intensity given at various return periods.
 
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µµ´Þ½Ã°£;À¯¿ªÇü»ó;ÇϵµÈ帧;ÁöÇ¥¸éÈ帧;ÀçÇö±â°£º° °­¿ì°­µµ;º¹ÇÕÇü »êÁ¤½Ä;time of concentration;geometric contigurations;open channel flow;overiand flow;rainfall intensity;approximate equation;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.33, no.2, 2000³â, pp.195-205
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920063602)
¾ð¾î : Çѱ¹¾î
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