SLOPE IMPACT IN HIGH ORDER 1D EQUATIONS: EXPERIMENTAL INVESTIGATION AND APPLICATION IN STAGE DISCHARGE CURVE PRODUCTION

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DARVISHI ELHAM; KOCHAKZADEH SALAH; FENTON JOHN; HOORFAR ABDOLHOSSEIN

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Paper Information

Journal: Iranian Journal of Soil and Water Research Year:2014 | Volume:45 | Issue:1 Page(s): 29-35

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Title

SLOPE IMPACT IN HIGH ORDER 1D EQUATIONS: EXPERIMENTAL INVESTIGATION AND APPLICATION IN STAGE DISCHARGE CURVE PRODUCTION

Author(s)

DARVISHI ELHAM | KOCHAKZADEH SALAH | FENTON JOHN | HOORFAR ABDOLHOSSEIN | Issue Writer Certificate

Keywords

BOUSSINESQQ2

RATING CURVEQ2

SAINT-VENANTQ2

SLOPEQ2

TRAPEZOIDAL WEIRQ1

Abstract

The assumptions considered in developing the SAINT-VENANT equations limit their application in a many practical situations. The modified BOUSSINESQ equation was presented to overcome the limitation imposed by SAINT-VENANT equation due to the presence of non-hydrostatic pressure distribution and steep SLOPE. In the present paper a computational model was developed to solve the modified and the traditional BOUSSINESQ equations for unsteady flow conditions. Verification of the numerical results was accomplished through compiled discharge experimental data within the range of 7 to 30 l/s. The relative errors associated with the results of both equations were evaluated. The average relative errors amounted to 4 and 18 percent respectively for the modified Boussineq vs. the traditional one in predicting discharge. This highlighted the importance of the SLOPE impact on the accuracy of the results. Also, through the modified equation, it is possible to produce the stage-dischrge relationship for TRAPEZOIDAL WEIR with a high degree of accuracy.

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APA: Copy

DARVISHI, ELHAM, KOCHAKZADEH, SALAH, FENTON, JOHN, & HOORFAR, ABDOLHOSSEIN. (2014). SLOPE IMPACT IN HIGH ORDER 1D EQUATIONS: EXPERIMENTAL INVESTIGATION AND APPLICATION IN STAGE DISCHARGE CURVE PRODUCTION. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 45(1), 29-35. SID. https://sid.ir/paper/225960/en

Vancouver: Copy

DARVISHI ELHAM, KOCHAKZADEH SALAH, FENTON JOHN, HOORFAR ABDOLHOSSEIN. SLOPE IMPACT IN HIGH ORDER 1D EQUATIONS: EXPERIMENTAL INVESTIGATION AND APPLICATION IN STAGE DISCHARGE CURVE PRODUCTION. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2014;45(1):29-35. Available from: https://sid.ir/paper/225960/en

IEEE: Copy

ELHAM DARVISHI, SALAH KOCHAKZADEH, JOHN FENTON, and ABDOLHOSSEIN HOORFAR, “SLOPE IMPACT IN HIGH ORDER 1D EQUATIONS: EXPERIMENTAL INVESTIGATION AND APPLICATION IN STAGE DISCHARGE CURVE PRODUCTION,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 45, no. 1, pp. 29–35, 2014, [Online]. Available: https://sid.ir/paper/225960/en

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