HYDRAULIC INVESTIGATION OF THE KHOSAR FLOOD WATER SPREADING PROJECT TO DETERMINE THE DISTANCE OF SPREADING CHANNELS

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ADELPOUR A.A.; SOUFI M.

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Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2009 | Volume:3 | Issue:7 Page(s): 1-6

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Title

HYDRAULIC INVESTIGATION OF THE KHOSAR FLOOD WATER SPREADING PROJECT TO DETERMINE THE DISTANCE OF SPREADING CHANNELS

Author(s)

ADELPOUR A.A. | SOUFI M. | Issue Writer Certificate

Keywords

FLOOD WATER SPREADINGQ2

HYDRAULIC FLOW INVESTIGATIONQ3

THE KHOSAR RESEARCH STATIONQ3

FIELD FLUME AND SPREADING CHANNEL DISTANCESQ3

Abstract

Hydraulic study and design of the distance between spreading channels, is a basic requirement in FLOOD WATER SPREADING projects. Spreading channels decrease stream power and their distance should be designed so that it could decrease the hydraulic parameters before reaching the threshold value. In the other hand, different environmental parameters including topography and slope, soil texture, vegetation cover and flow resistance affect the hydraulic characteristic of the FLOOD WATER SPREADING. So it is necessary to investigate the effect of environmental parameters according to natural condition and simulation of overland flow. This study was done in the Gareh Bygone plain, in the south of Fasa city.An open hydraulic flume with 120m length, 0.4 m width and 0.25 m height was used to simulate concentrated overland flow with 0.1m depth. Three experiments were examined and for each experiment, discharge and mean flow depth were measured directly and other parameters such as mean velocity, shear stress, Froude number and Reynolds number were calculated. Results of this study show that, hydraulic parameters such as velocity and shear stress were increased with flow length. These increasing trends were not linear and uniform. They changed according to the flow resistance. Flow was turbulent and subcritical moreover and became super critical at the end of flume, that velocity was increased and erosion initiated. In this study maximum shear stress was measured at the 75m from beginning of the flume and if we consider that shear stress is stream power for erosion, so that 75 m is suggested as the best distance between channel spreading in the Kowsar station.

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APA: Copy

ADELPOUR, A.A., & SOUFI, M.. (2009). HYDRAULIC INVESTIGATION OF THE KHOSAR FLOOD WATER SPREADING PROJECT TO DETERMINE THE DISTANCE OF SPREADING CHANNELS. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 3(7), 1-6. SID. https://sid.ir/paper/134669/en

Vancouver: Copy

ADELPOUR A.A., SOUFI M.. HYDRAULIC INVESTIGATION OF THE KHOSAR FLOOD WATER SPREADING PROJECT TO DETERMINE THE DISTANCE OF SPREADING CHANNELS. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2009;3(7):1-6. Available from: https://sid.ir/paper/134669/en

IEEE: Copy

A.A. ADELPOUR, and M. SOUFI, “HYDRAULIC INVESTIGATION OF THE KHOSAR FLOOD WATER SPREADING PROJECT TO DETERMINE THE DISTANCE OF SPREADING CHANNELS,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 3, no. 7, pp. 1–6, 2009, [Online]. Available: https://sid.ir/paper/134669/en

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