Variation of Simulated Rainfall Characteristics by Permuting Intake Discharge and Water Pressure

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ABDOLLAHI Z.; SADEGHI S.H.; KHALEDI DARVISHAN A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2016 | Volume:10 | Issue:34 Page(s): 51-62

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Title

Variation of Simulated Rainfall Characteristics by Permuting Intake Discharge and Water Pressure

Author(s)

ABDOLLAHI Z. | SADEGHI S.H. | KHALEDI DARVISHAN A. | Issue Writer Certificate

Keywords

Mazandaran climateQ1

Drop size distributionQ1

High speed imaging methodQ1

Rainfall simulatorQ1

optimum pressureQ1

Abstract

unpredictable, rare and random nature of natural rainfall. The Rainfall simulator, as an alternate effective approach, facilitates quick measurements of different hydrologic components. However, calibrated suitable conditions and optimization of governing situation have been rarely taken in to account. Therefore, the Nozzle Type Rainfall simulator Laboratory was established at Tarbiat Modares University to simulate rainfall similar to storm events happened in Mazandaran Province climate. In the current study, the potency of creating different rainfall intensities by permuting intake discharge, water pressure and nozzle decoration and also their effects on simulated rainfall characteristics were investigated. The results indicated that in different water pressure, the simulated rainfall characteristics were significantly different. The results also showed that Drop size distribution and their velocities produced by manufactured nozzle coded as Apd4, in optimum pressure (10 to 50 kpa), were 0. 5 to 4. 7 mm and 4. 8 to 9 m s-1 respectively. Besides, The results also indicated that a rainfall with intensity of 30 to 120 mm h-1 with coefficient of uniformity ranged from 80 to 95% by 27 nozzle spacing 0. 85 m could be properly simulated under intake optimum pressure.

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APA: Copy

ABDOLLAHI, Z., SADEGHI, S.H., & KHALEDI DARVISHAN, A.. (2016). Variation of Simulated Rainfall Characteristics by Permuting Intake Discharge and Water Pressure. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 10(34 ), 51-62. SID. https://sid.ir/paper/134653/en

Vancouver: Copy

ABDOLLAHI Z., SADEGHI S.H., KHALEDI DARVISHAN A.. Variation of Simulated Rainfall Characteristics by Permuting Intake Discharge and Water Pressure. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2016;10(34 ):51-62. Available from: https://sid.ir/paper/134653/en

IEEE: Copy

Z. ABDOLLAHI, S.H. SADEGHI, and A. KHALEDI DARVISHAN, “Variation of Simulated Rainfall Characteristics by Permuting Intake Discharge and Water Pressure,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 10, no. 34 , pp. 51–62, 2016, [Online]. Available: https://sid.ir/paper/134653/en

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