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Åë¼ö·®¿¡ µû¸¥ ¿øÇü °ü¼ö·ÎÀÇ Á÷°æ ±¸Çϱâ (Manning Æò±ÕÀ¯¼Ó ÀÌ¿ë)

ÀÛ¼ºÀÚ Uploader : simplelife ÀÛ¼ºÀÏ Upload Date: 2022-06-25º¯°æÀÏ Update Date: 2022-06-25Á¶È¸¼ö View : 1342

Manning ÀÇ Æò±ÕÀ¯¼Ó °ø½ÄÀ» Àû¿ëÇÏ¿© À¯·® Q (m^3/s) ¸¦ Åë¼öÇϱâ À§ÇÑ ¿øÇü °ü¼ö·ÎÀÇ Á÷°æ D (m)À» °áÁ¤ÇÑ´Ù.

Q = A*V

Åë¼ö´Ü¸éÀû : A = (¥ð/4)*D^2

¼ö¸®¹Ý°æ : R = A/P = (¥ð/4)*D^2 / (¥ð*D) = D/4

ManningÀÇ Æò±ÕÀ¯¼Ó °ø½ÄÀ» ÀÌ¿ëÇÏ¿© Æò±ÕÀ¯¼ÓÀ» »êÁ¤ÇÑ´Ù.

V = 1/n*R^(2/3)*S^(1/2)
  = 1/n*(D/4)^(2/3)*S^(1/2)

µû¶ó¼­,

Q = (¥ð/4)*D^2 * 1/n*(D/4)^(2/3)*S^(1/2)

À̸¦ Á¤¸®Çϸé,

D^2 * (D/4)^(2/3) = 4*n*Q/(¥ð*S^(1/2))

D^(8/3) = 4^(5/3)*n*Q/(¥ð*S^(1/2))

D = (4^(5/3)*n*Q/(¥ð*S^(1/2)))^(3/8)

ÀÌ µÈ´Ù.

*** Âü°í¹®Çå[References] ***

D = (4^(5/3)*n*Q/(¥ð*S^(1/2)))^(3/8)
ÀÛ¼ºÀÚÀÇ ¼ö½Ä±×¸²ÀÌ ¾ø½À´Ï´Ù. No picture for this formula
º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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