Experimental Investigation of the Effect of Submergence and Entrance Transition on Stage-Discharge Relations for Lopac Gates

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YOUSOFVAND FATEMEH; MONEM MOHAMMAD JAVAD; KAVIANPOUR MOHAMMAD REZA

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Paper Information

Journal: Iranian Journal of Soil and Water Research Year:2018 | Volume:49 | Issue:5 Page(s): 1095-1106

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Title

Experimental Investigation of the Effect of Submergence and Entrance Transition on Stage-Discharge Relations for Lopac Gates

Author(s)

YOUSOFVAND FATEMEH | MONEM MOHAMMAD JAVAD | KAVIANPOUR MOHAMMAD REZA | Issue Writer Certificate

Keywords

Gradual and sudden transitionQ1

Lopac gateQ1

Stage-discharge relationshipQ1

Submerged and free flow conditionQ1

Abstract

Lopac gates, controlling and regulating water level in irrigation canals, have recently been considered due to their practical advantages. So far, a few researches have been conducted on Lopac gate. In this study, the Stage-discharge relationships of Lopac gate with different structures including no transition, sudden and gradual transition, in free and submerged condition were investigated. The experiments were performed to provide a wide range of effective non-dimensional parameters including gate angle and relative submergence. It was found that there is a relationship between the non-dimensional form of discharge ( 3 * g gb B Q Q  ) and the ratio of upstream water depth to gate opening for free condition and between the Q* and the submergence ratio for submerged conditions. In each of the above mentioned circumstances, using dimensional analysis and regression methods between the effective non-dimensional parameters, some explicit equations were presented for Stage-discharge relationship of Lopac gates, with no transition, Gradual and sudden transitions under free and submerged condition.

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APA: Copy

YOUSOFVAND, FATEMEH, MONEM, MOHAMMAD JAVAD, & KAVIANPOUR, MOHAMMAD REZA. (2018). Experimental Investigation of the Effect of Submergence and Entrance Transition on Stage-Discharge Relations for Lopac Gates. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 49(5 ), 1095-1106. SID. https://sid.ir/paper/225423/en

Vancouver: Copy

YOUSOFVAND FATEMEH, MONEM MOHAMMAD JAVAD, KAVIANPOUR MOHAMMAD REZA. Experimental Investigation of the Effect of Submergence and Entrance Transition on Stage-Discharge Relations for Lopac Gates. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2018;49(5 ):1095-1106. Available from: https://sid.ir/paper/225423/en

IEEE: Copy

FATEMEH YOUSOFVAND, MOHAMMAD JAVAD MONEM, and MOHAMMAD REZA KAVIANPOUR, “Experimental Investigation of the Effect of Submergence and Entrance Transition on Stage-Discharge Relations for Lopac Gates,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 49, no. 5 , pp. 1095–1106, 2018, [Online]. Available: https://sid.ir/paper/225423/en

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