NUMERICAL AND EMPIRICAL INVESTIGATION OF FLOW SEPARATION PHENOMENON AROUND SEMI-BURIED PIPELINES DUE TO STEADY CURRENTS

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OMRANI SH.; HAKIMZADEH H.

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Journal: JOURNAL OF MARINE ENGINEERING Year:2009 | Volume:4 | Issue:8 Page(s): 65-75

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Title

NUMERICAL AND EMPIRICAL INVESTIGATION OF FLOW SEPARATION PHENOMENON AROUND SEMI-BURIED PIPELINES DUE TO STEADY CURRENTS

Author(s)

OMRANI SH. | HAKIMZADEH H. | Issue Writer Certificate

Keywords

FLOW PATTERNQ3

PIPELINESQ4

NUMERICAL SIMULATIONQ1

FINITE VOLUME METHODQ3

PHYSICAL MODELQ1

Abstract

In this paper, in order to understand the flow-pipe interaction more clearly, the variations on FLOW PATTERN around semi-buried PIPELINES due to steady current have physically and numerically been investigated. In PHYSICAL MODELing section, the experiments have been carried out in a flume with 10 meter length, 0.3 meter width and 0.5 meter depth using a P.V.C pipe with 6.35 cm in diameter (for different burial depth-diameter ratios). To visualize the FLOW PATTERNs, the polystyrene particles with 0.4 mm in diameter and 1.05gr/cm3 in density have been used. In order to understand the phenomenon as well as possible, the whole processes of tests have been recorded using a digital camera. For the NUMERICAL SIMULATION section, the flow field has been analyzed using a computational fluid dynamics software "FLUENT". For the soft are, the governing equations are discredited using the FINITE VOLUME METHOD. Geometry and mesh production have been done using pre-processor software called "GAMBIT".

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APA: Copy

OMRANI, SH., & HAKIMZADEH, H.. (2009). NUMERICAL AND EMPIRICAL INVESTIGATION OF FLOW SEPARATION PHENOMENON AROUND SEMI-BURIED PIPELINES DUE TO STEADY CURRENTS. JOURNAL OF MARINE ENGINEERING, 4(8), 65-75. SID. https://sid.ir/paper/60835/en

Vancouver: Copy

OMRANI SH., HAKIMZADEH H.. NUMERICAL AND EMPIRICAL INVESTIGATION OF FLOW SEPARATION PHENOMENON AROUND SEMI-BURIED PIPELINES DUE TO STEADY CURRENTS. JOURNAL OF MARINE ENGINEERING[Internet]. 2009;4(8):65-75. Available from: https://sid.ir/paper/60835/en

IEEE: Copy

SH. OMRANI, and H. HAKIMZADEH, “NUMERICAL AND EMPIRICAL INVESTIGATION OF FLOW SEPARATION PHENOMENON AROUND SEMI-BURIED PIPELINES DUE TO STEADY CURRENTS,” JOURNAL OF MARINE ENGINEERING, vol. 4, no. 8, pp. 65–75, 2009, [Online]. Available: https://sid.ir/paper/60835/en

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