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Çѱ¹¼öÀÚ¿øÇÐȸ / v.35, no.6, 2002³â, pp.729-736
ÃÖ·®¼ö¸®´Ü¸éÀÇ µî·ù¼ö½É
( Normal Depth of Best Section )
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°³¼ö·ÎÀÇ ¼³°è¿¡ À־ µî·ù¼ö½ÉÀÇ »êÁ¤Àº °¡Àå ±âº»ÀûÀÎ ¿ä°ÇÀ̸ç, Àΰø¼ö·Î¸¦ ±¸ÃàÇÒ °æ¿ì ÀϹÝÀûÀ¸·Î ÃÖ·® ¼ö¸®´Ü¸éÀº °¡Àå °æÁ¦ÀûÀÎ ´Ü¸éÀÌ µÈ´Ù. µû¶ó¼­ ÃÖ·® ¼ö¸®´Ü¸éÀÇ µî·ù¼ö½É »êÁ¤Àº °ÅÀÇ ¸ðµç ¼ö·Î ¼³°èÀÇ ÇÙ½ÉÀûÀÎ ¿ä¼Ò¶ó ÇÒ ¼ö ÀÖ´Ù. °³¼ö·Î ¸¶Âû·ÂÀ» »êÁ¤Çϱâ À§ÇÏ¿© ÀϹݼºÀÌ È®º¸µÈ Áö¼öÇü ¸¶Âû°è¼ö »êÁ¤½ÄÀ» µµÀÔÇÏ¿´´Ù. »ï°¢Çü, »ç°¢Çü ¹× Á¦Çü µî °ÅÀÇ ¸ðµç ÇüÅÂÀÇ ¼ö·Î¿¡ ´ëÇÑ µî·ù¼ö½ÉÀÇ »êÁ¤À» À§ÇÏ¿© Çü½ÄÀÌ ÅëÀÏµÇ°í ¾çÇØÀûÀ¸·Î ÇØ¼®ÀÌ °¡´ÉÇÑ »êÁ¤½ÄÀ» µµÃâÇÏ¿´´Ù. ¶ÇÇÑ ÀÌµé µî·ù¼ö½É »êÁ¤½ÄÀº °ü·Î¼³°è¿¡¼­ µµÃâµÈ °ü°æ »êÁ¤½Ä°ú Çü½ÄÀÌ ÀÏÄ¡ÇÔÀ» È®ÀÎÇÏ¿´´Ù.
The computation of normal depth is one of the most important parts in the design of open channel flow, and the best section is in general the most economic section in the case of constructing artificial open channels. Thus the determination of the normal depth of the best section is the essential item in the design of most open channel flows. To estimate the frictional forces a power law is introduced, which is applicable to most situations in open channel flows. Explicit and consistent forms of equations are deduced for the calculation of normal depth of triangular, rectangular and trapezoidal best sections. Furthermore the equations of normal depth are found to have the same form as those of pipe diameter for the design of pipe flow.
 
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°³¼ö·Î;ÃÖ·®¼ö¸®´Ü¸é;µî·ù¼ö½É;Áö¼öÇü ¸¶Âû°è¼ö »êÁ¤½Ä;open channel;best section;normal depth;power law of friction factor;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.35, no.6, 2002³â, pp.729-736
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921477204)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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