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Çѱ¹¼öÀÚ¿øÇÐȸ / v.27, no.4, 1994³â, pp.95-104
»çÇ൵¸¦ °¡Áø º¹Çմܸé Çϵµ¿¡¼­ÀÇ È«¼öÆÄƯ¼º
( Floodwave Propagation in Sinuous Channel with Compound Cross Sections )
¹ÚÀçÈ«;ÇѰÇÀ±;Á¶È«Á¦; °æºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;°æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¿ï»ê´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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»çÇàÆ¯¼ºÀ» °¡Áø º¹ÇÕÇϵµ¿¡¼­ÀÇ È«¼öÆÄÇØ¼®À» À§ÇÏ¿© »çÇ൵ ¸ðÇüÀ» °³¹ßÇÏ¿´´Ù. »çÇ൵ ¸ðÇüÀ» Áö¹è ¹æÁ¤½Ä, Áú·®º¸Á¸ ¿ÀÂ÷ ¹× È«¼öÆÄ ÇØ¼® µîÀ» ÅëÇÏ¿© ±âÁ¸ÀÇ ¼¼°¡Áö È«¼öÅÍ ¸ðÇü°ú ºñ±³ÇÏ¿´´Ù. »çÇ൵ ¸ðÇü¿¡ ÀÇÇÑ ¿ÀÂ÷´Â 1.5-1.8% Á¤µµ·Î ³ªÅ¸³µÀ¸³ª ºÐ¸®Çϵµ ¸ðÇüÀÇ °æ¿ì¿¡´Â 1.5, 2.0ÀÇ »çÇ൵¿¡¼­ °¢°¢ 9.1, 27.4%·Î Å« ¿ÀÂ÷°¡ ¹ß»ýÇÏ¿´´Ù. »çÇ൵ ¸ðÇüÀº È«¼öÅ͸¦ °¡Áø »çÇàÇϵµ¿¡¼­ÀÇ È«¼öÀü´Þ Ư¼ºÇؼ®À» À§ÇÏ¿© Àû¿ëµÇ¾ú´Ù. »çÇ൵ ¸ðÇü¿¡ ÀÇÇÑ ¼öÄ¡½ÇÇè °á°ú, È«¼öÅÍÀÇ Á¶µµ¿Í È«¼öÅÍÀÇ ÇÏÆøÀÌ Áõ°¡ÇÒ¼ö·Ï, »çÇ൵°¡ °¨¼ÒÇÒ¼ö·Ï °¨¼èºñ¿Í À¯ÇϽð£ºñ´Â Áõ°¡ÇÏ¿´´Ù. º» ¸ðÇüÀº º¸ÇÕÇϵµ ´Ü¸éÀ» °¡Áö¸ç »çÇàÇÏ´Â ±¹³» ÇÏõ¿¡¼­ÀÇ ºÎÁ¤·ù ÇØ¼®¿¡ Àû¿ë¼ºÀÌ Å¬ °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
The sinuosity model has been developed to simulate to developed to simulate the floodwave in meandering channels by solving the extended Saint-Venant equation with the Preissmann scheme. The suggested model is compared with three conventional floodplain routing methods in terms of governing equations, mass conservation error and floodwave analysis. The sinuosity model produces the mass conservation error of 1.5-1.8%, however the separate channel model produces 9.1% and 27.4% for sinuosity of 1.5 and 2.0, respectively. The model has been used to simulate flow in an idealized meandering river with a floodplain. The attenuation ratio and the travel time ratio are found to increase as the floodplain roughness and width increase and as the sinuosity factor decreases. The model is expected to contribute the floodwave analysis in sinuous channel with compound corss sections.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.27, no.4, 1994³â, pp.95-104
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920095202)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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