ANALYTICAL SOLUTION OF DIFFUSIVE KINEMATIC WAVE BASED ON THE CONCEPT OF EFFECTIE HYDRAULIC SENSITIVITY FOR FLOW ROUTING IN IRRIGATION NETWORK

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VATANKHAH A.R.; KOUCHAKZADEH S.; HOURFAR A.

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Journal: Iranian Journal of Irrigation and Drainage Year:2007 | Volume:1 | Issue:2 Page(s): 7-20

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Title

ANALYTICAL SOLUTION OF DIFFUSIVE KINEMATIC WAVE BASED ON THE CONCEPT OF EFFECTIE HYDRAULIC SENSITIVITY FOR FLOW ROUTING IN IRRIGATION NETWORK

Author(s)

VATANKHAH A.R. | KOUCHAKZADEH S. | HOURFAR A. | Issue Writer Certificate

Keywords

DIFFUSIVE EQUATION WAVEQ3

EFFECTIVE HYDRAULIC SENSITIVITY INDEXQ3

ANALYTICAL SOLUTIONQ2

CHANNEL ROUTINGQ3

IRRIGATION NETWORKQ2

Abstract

Proper identification of the unsteady flow in an IRRIGATION NETWORK would lead to significant improvement in the network operation. Kinematic diffusive wave model would be considered as a useful means in this regard. However, the diffusive wave equation is a non linear in its nature and could not be solved analytically. The ANALYTICAL SOLUTION of this equation could be attained provided that the equation coefficients are considered constant values. Obviously, the solution accuracy of the model relay on the apt selection of the equations coefficients. In this research the application of the effective hydraulic sensitivity approach for providing proper estimation of the coefficients of the linear diffusive wave equation was presented. The ANALYTICAL SOLUTION of the diffusive wave for a sudden change in the upstream side of a channel reach discharge, which was obtained based on the proposed method, was determined and the results were compared with that of other researchers and with output of a hydrodynamic model. The results indicate that the determination of the diffusive equation coefficient based on the proposed method substantially improved the results of the diffusive equation model.

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APA: Copy

VATANKHAH, A.R., KOUCHAKZADEH, S., & HOURFAR, A.. (2007). ANALYTICAL SOLUTION OF DIFFUSIVE KINEMATIC WAVE BASED ON THE CONCEPT OF EFFECTIE HYDRAULIC SENSITIVITY FOR FLOW ROUTING IN IRRIGATION NETWORK. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 1(2), 7-20. SID. https://sid.ir/paper/131652/en

Vancouver: Copy

VATANKHAH A.R., KOUCHAKZADEH S., HOURFAR A.. ANALYTICAL SOLUTION OF DIFFUSIVE KINEMATIC WAVE BASED ON THE CONCEPT OF EFFECTIE HYDRAULIC SENSITIVITY FOR FLOW ROUTING IN IRRIGATION NETWORK. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2007;1(2):7-20. Available from: https://sid.ir/paper/131652/en

IEEE: Copy

A.R. VATANKHAH, S. KOUCHAKZADEH, and A. HOURFAR, “ANALYTICAL SOLUTION OF DIFFUSIVE KINEMATIC WAVE BASED ON THE CONCEPT OF EFFECTIE HYDRAULIC SENSITIVITY FOR FLOW ROUTING IN IRRIGATION NETWORK,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 1, no. 2, pp. 7–20, 2007, [Online]. Available: https://sid.ir/paper/131652/en

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