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2010 (Vol. 2, Issue: 5)
Article Information:

Estimation of Velocity Profile Based on Chiuís Equation in Width of Channels

Saman Nikmehr and Javad Farhoudi
Corresponding Author:  Saman Nikmehr 

Key words:  Channel, Chiuís equation, entropy, velocity profile, , ,
Vol. 2 , (5): Page No: 476-479
Submitted Accepted Published
2010 May, 12 2010 May, 23 2010 August, 01
Abstract:

Distribution of velocity in channel is one of the most parameters for solution of hydraulic problems. Determination of energy coefficient, momentum and distribution of sediment concentration depend on distribution of velocity profile. The entropy parameter of a channel section can be determined from the relation between the mean and maximum velocities. A technique has been developed to determine a velocity profile on a single vertical passing through the point of maximum velocity in a channel cross section. This method is a way in order to quick and cheap estimating of velocity distribution with high accuracy in channels. So that in this research the power estimation of Chiu method base on entropy concept was determined. Also Chiuís equation that is based on entropy concept and probability domain, has compared with logarithmic and exponential equations to estimation of velocity profile in width of channel in various depths. The results show that Chiuís equation better than logarithmic and exponential equations to estimation of velocity profile in width of channel.
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  Cite this Reference:
Saman Nikmehr and Javad Farhoudi, 2010. Estimation of Velocity Profile Based on Chiuís Equation in Width of Channels.  Research Journal of Applied Sciences, Engineering and Technology, 2(5): Page No: 476-479.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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