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ÇÁ¶õ½Ã½º À¯·® »êÁ¤½Ä(Francis discharge formula), »ç°¢Çü ¿þ¾î(rectangular weir)

ÀÛ¼ºÀÚ Uploader : milinae ÀÛ¼ºÀÏ Upload Date: 2019-05-21º¯°æÀÏ Update Date: 2019-05-21Á¶È¸¼ö View : 1383

Q = 3.33*L*H^(3/2)
L = L¡Ç-0.1*N*H
H^(3/2) = (D+h)^(3/2)-h^(3/2)

L¡Ç : ¿þ¾îÆø (ft)
N : ´Ü¼öÃà °è¼ö(¼öÃà¾øÀ½=0, ÀϴܼöÃà=1, ¾ç´Ü¼öÃà=2)
D : ¿ù·ù¼ö½É (ft)
h : ¼Óµµ¼öµÎ (ft)

¼Óµµ¼öµÎ h = 0 À̶ó¸é, H^(3/2) = D^(3/2) À̹ǷÎ, ´ÙÀ½°ú °°ÀÌ Á¤¸®ÇÒ ¼ö ÀÖ´Ù.

Q = 3.33*(L¡Ç-0.1*N*D)*D^(3/2)

¹®ÀÚ¸¦ ÀçÁ¤ÀÇÇÏ¿© ´Ù½Ã ¾²¸é ¾Æ·¡¿Í °°´Ù.

Q = C*(b-0.1*n*h)*h^(3/2)

Q : À¯·® (m^3/s or ft^3/s)
C : Francis À¯·®°è¼ö (1.84 in SI, 3.33 in English)
b : ¿þ¾îÆø (m or ft)
n : ´Ü¼öÃà °è¼ö(¼öÃà¾øÀ½=0, ÀϴܼöÃà=1, ¾ç´Ü¼öÃà=2)
h : ¿ù·ù¼ö½É (m or ft)



*** Âü°í¹®Çå[References] ***

USGS, 1907, WEIR EXPERIMENTS, COEFFICIENTS,AND FORMULAS (REVISION OF PAPER NO. 150)
Q = C*(b-0.1*n*h)*h^(3/2)
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