Evaluation of the Time Development of Scour Around Pipelines With Optimization the Mounting Position of Piggyback-Line

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MORADI S.; ESMAILI K.; Khodashenas s.

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Journal: Journal of Irrigation Sciences and Engineering Year:2019 | Volume:41 | Issue:4 Page(s): 173-187

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Information Journal Paper

Title

Evaluation of the Time Development of Scour Around Pipelines With Optimization the Mounting Position of Piggyback-Line

Author(s)

MORADI S. | ESMAILI K. | Khodashenas s. | Issue Writer Certificate

Keywords

Tunnel erosionQ1

ScourQ1

Piggyback-lineQ1

PipelineQ1

Abstract

Protection of water Pipelines-wastewater or fuel materials-on the bed of erosion of the sea and rivers against such factors as bending, slipping and even fracture are important and costly issues in ocean engineering. In order to protect the potential destruction and fracture of these Pipelines due to hydrodynamic forces of flow-waves or human activities. It is necessary to be covered with a concrete-coat or buried at an appropriate depth of bed with trenching. Objective observations showed that the Pipelines that are located on the erosion bed of the sea and the rivers have the potential to produce a natural burial (self-burial pipe) in a bed of sediment, due to localized Scouring. But in natural conditions, the burial process takes place with little speed. Therefore, by installing the spoiler on the Pipelines, it is attempting to increase the Perpendicular cross-section of the flow (making changes in the pattern of flow around the Pipeline) and, finally, the occurrence of erosion and self-burial inlower environmental velocities, but more intense. Therefore, it is necessary to first investigate the factors affecting for erosion sediment bed and estimate the dimensions of Scour hole under Pipelines, to study the accelerating factors and its effects on ocean engineering...

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APA: Copy

MORADI, S., ESMAILI, K., & Khodashenas, s.. (2019). Evaluation of the Time Development of Scour Around Pipelines With Optimization the Mounting Position of Piggyback-Line. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), 41(4 ), 173-187. SID. https://sid.ir/paper/217145/en

Vancouver: Copy

MORADI S., ESMAILI K., Khodashenas s.. Evaluation of the Time Development of Scour Around Pipelines With Optimization the Mounting Position of Piggyback-Line. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2019;41(4 ):173-187. Available from: https://sid.ir/paper/217145/en

IEEE: Copy

S. MORADI, K. ESMAILI, and s. Khodashenas, “Evaluation of the Time Development of Scour Around Pipelines With Optimization the Mounting Position of Piggyback-Line,” IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 41, no. 4 , pp. 173–187, 2019, [Online]. Available: https://sid.ir/paper/217145/en

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