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Çѱ¹¼öÀÚ¿øÇÐȸ / v.38, no.7, 2005³â, pp.527-535
Çϼö°ü µî·ù¼ö½É ¾çÇØ¹ý »êÁ¤½Ä
( Explicit Equations of Normal Depth for Drainage Pipes )
À¯µ¿ÈÆ;³ëÁ¤¼ö; ¾ÆÁÖ´ëÇб³ ȯ°æ°Ç¼³±³Åë°øÇкÎ;¾ÆÁÖ´ëÇб³ ´ëÇпø °Ç¼³±³Åë°øÇаú, µ¿ºÎ¿£Áö´Ï¾î¸µ ¼öÀÚ¿øÈ¯°æºÎ;
 
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µî·ù¼ö½ÉÀÇ »êÁ¤Àº ¼ö·Î ¼³°è ¹× È帧 ÇØ¼®¿¡ ÀÖ¾î ¸Å¿ì Áß¿äÇÏ´Ù. Çϼö°üÀº »ï°¢Çü ¶Ç´Â »ç°¢ÇüÀÇ Àΰø °³¼ö·Î¿Í ´Þ¸® ¿øÇü, UÇü°ú °°ÀÌ °î·üÀ» °®´Â °æ¿ì°¡ ÀϹÝÀûÀ̸ç, ÀÌ °æ¿ì ¼ö½É¿¡ µû¸¥ Åë¼ö´Ü¸éÀû ¹× µ¿¼ö¹Ý°æÀÇ º¯È­°¡ ÀÏÁ¤ÇÏÁö ¾ÊÀ¸¹Ç·Î µî·ù¼ö½É »êÁ¤ ¶Ç´Â ¼ö½Ä À¯µµ¿¡ ÀÖ¾î »ó´çÇÑ ¾î·Á¿òÀ» °®´Â´Ù. ±×·¯³ª ´Ü¸éÀû°ú °ü°æÀÇ ºñ ¶Ç´Â µ¿¼ö¹Ý°æ°ú °ü°æÀÇ ºñ¸¦ ¼ö½É´ë °ü°æÀÇ ºñ·Î Ç¥±âÇÏ¿© Áö¼öÇüÀ¸·Î ³ªÅ¸³»¸é ¼ö½ÄÀÇ Àü°³°úÁ¤ÀÌ ¸Å¿ì ¿ëÀÌÇØÁö¸ç, ¾çÇØ¹ý »êÁ¤½ÄÀÇ °³¹ßÀÌ °¡´ÉÇØÁø´Ù. µû¶ó¼­ º» °í¿¡¼­´Â ¿ì¼± ½Ç¹«¿¡¼­ °¡Àå ¸¹ÀÌ »ç¿ëÇϰí ÀÖ´Â ¿øÇü °³¼ö·Î¿Í UÇü °³¼ö·Î¿¡ ´ëÇÑ µî·ù¼ö½É ¾çÇØ¹ý »êÁ¤½ÄÀ» Á¦½ÃÇϸç, ¿Ï³­·ù Áö¼öÇü ¸¶Âû°è¼ö »êÁ¤½Ä°ú ´õºÒ¾î ½Ç¹«¿¡¼­ ÁÖ·Î »ç¿ëµÇ´Â Hagen (Manning) »êÁ¤½ÄÀ» ÀÌ¿ëÇÑ µî·ù¼ö½É »êÁ¤½Äµµ Á¦½ÃÇÏ¿´´Ù.
The computation of normal depth is very important for the design of channel and the analysis of water flow. Drainage pipe generally has the shape of curvature like circular or U-type, which is different from artificial triangular or rectangular channel. In this case, the computation of normal depth or the derivation of equations is very difficult because the change of hydraulic radius and area versus depth is not simple. If the ratio of the area to the diameter, or the hydraulic radius to the diameter of pipe is expressed as the water depth to the diameter of pipe by power law, however, the process of computing normal depth becomes relatively simple, and explicit equations can be obtained. In the present study, developed are the explicit normal depth equations for circular and U-type pipes, and the normal depth equation associated with Hagen (Manning) equation and friction factor equation of smooth turbulent flow by power law is also proposed because of its wide usage in engineering design.
 
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Çϼö°ü;µî·ù¼ö½É;¿øÇü°ü;UÇü°ü;Áö¼öÇü »êÁ¤½Ä;¾çÇØ¹ý »êÁ¤½Ä;normal depth;drainage pipe;circular pipe;U-type pipe;power law;explicit equations;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.38, no.7, 2005³â, pp.527-535
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200531234566279)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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