Architecture
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»ç°¢¿þ¾î(Rectangular Weir) À¯·® »êÁ¤½Ä

ÀÛ¼ºÀÚ Uploader : engx ÀÛ¼ºÀÏ Upload Date: 2011-01-14º¯°æÀÏ Update Date: 2011-01-14Á¶È¸¼ö View : 4968

Rectangular Weir
The flow rate measurement in a rectangular weir is based on the Bernoulli Equation principles and can be expressed as:

q = 2/3 * cd * b * (2*g)^(1/2) * h^(3/2)

where
q = flow rate (m^3/s)
h = head on the weir (m)
b = width of the weir (m)
g = 9.81 (m/s^2) - gravity  
cd= discharge constant for the weir - must be determined

cd must be determined by analysis and calibration tests. For standard weirs - cd - is well defined or constant for measuring within specified head ranges.

*** Âü°í¹®Çå[References] ***

http://www.engineeringtoolbox.com/weirs-flow-rate-d_592.html
q = 2/3 * cd * b * (2*g)^(1/2) * h^(3/2)
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