Numerical Investigation of the Scale Effects on Flow Pattern Around Rectangular Bridge Piers Using Fluent Software

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TALEBI Z.; ARVANAGHI H.

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Paper Information

Journal: Journal of Water and Soil Science Year:2019 | Volume:22 | Issue:4 Page(s): 223-233

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Title

Numerical Investigation of the Scale Effects on Flow Pattern Around Rectangular Bridge Piers Using Fluent Software

Author(s)

TALEBI Z. | ARVANAGHI H. | Issue Writer Certificate

Keywords

Flow patternQ1

Horizontal surface of velocityQ1

ScourQ2

Vertical component of velocityQ1

Water surface profileQ1

Abstract

Flow pattern around the bridge piers includes Water surface profile, velocity profile, shear velocity, shear stress distribution, etc. In this research, the effects of the base shape along with scale effects on the Flow pattern around the rectangular bridge piers were numerically calculated through "Fluent Software", using Horizontal Velocity Distribution (Vx) and Vertical Velocity Distribution (Vy) criteria. The results showed that in studying the horizontal component of velocity (Vx) for the rectangular bridge piers, the vortices activity radius was 8 times of the length of the pier, and the minimum channel width for vortices activity was 16 times of the length of the Bridge pier; also, the minimum channel length in front of the pier was 4 times of the length of the pier and behind which, it was 25 times more than the bridge pier. Finally, the minimum channel length for the vortexes activity was calculated to be 29 times more than the bridge pier length. Furthermore, for the Vertical component of velocity, the Flow pattern around the base of the bridge cannot be an appropriate parameter for checking the effects of the length and width of the channel.

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APA: Copy

TALEBI, Z., & ARVANAGHI, H.. (2019). Numerical Investigation of the Scale Effects on Flow Pattern Around Rectangular Bridge Piers Using Fluent Software. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 22(4 ), 223-233. SID. https://sid.ir/paper/360965/en

Vancouver: Copy

TALEBI Z., ARVANAGHI H.. Numerical Investigation of the Scale Effects on Flow Pattern Around Rectangular Bridge Piers Using Fluent Software. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2019;22(4 ):223-233. Available from: https://sid.ir/paper/360965/en

IEEE: Copy

Z. TALEBI, and H. ARVANAGHI, “Numerical Investigation of the Scale Effects on Flow Pattern Around Rectangular Bridge Piers Using Fluent Software,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 22, no. 4 , pp. 223–233, 2019, [Online]. Available: https://sid.ir/paper/360965/en

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