Analytical and Experimental investigation of the Hydraulic Jump Characteristics over Permeable Beds

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AKBARI NIMA; ESMAILI KAZEM; KHODASHENAS SAEEDREZA

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Journal: JOURNAL OF HYDRAULICS Year:2019 | Volume:13 | Issue:4 (134) Page(s): 33-42

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Information Journal Paper

Title

Analytical and Experimental investigation of the Hydraulic Jump Characteristics over Permeable Beds

Author(s)

AKBARI NIMA | ESMAILI KAZEM | KHODASHENAS SAEEDREZA | Issue Writer Certificate

Keywords

Hydraulic jumpQ2

Momentum equationQ1

Permeable bedQ1

Abstract

In this research, the effect of channel bed permeability on the Hydraulic jump characteristics is investigated. At first, through analyzing the Momentum equation, a new equation for direct calculation of the sequent depth ratio for Permeable beds obtained. Then, using a channel 6 meters long and 80 centimeters wide laboratory channel, a series of experiments over permeable porous beds with different gran size distribution and different length and width were conducted. The Froude number ranges from 5. 3 to 7. 4. It was observed that over the Permeable bed, the analytical equation estimates the sequent depths ratio better than the Blunger equation and also the sequent depths changes show more dependency on the Froude number in comparison to the bed permeability. The results also showed that permeability of the bed reduced the sequent depths ratio and the jump length significantly compared to the impermeable smooth bed and also increased the energy loss caused by the jump.

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APA: Copy

AKBARI, NIMA, ESMAILI, KAZEM, & KHODASHENAS, SAEEDREZA. (2019). Analytical and Experimental investigation of the Hydraulic Jump Characteristics over Permeable Beds. JOURNAL OF HYDRAULICS, 13(4 (134) ), 33-42. SID. https://sid.ir/paper/124240/en

Vancouver: Copy

AKBARI NIMA, ESMAILI KAZEM, KHODASHENAS SAEEDREZA. Analytical and Experimental investigation of the Hydraulic Jump Characteristics over Permeable Beds. JOURNAL OF HYDRAULICS[Internet]. 2019;13(4 (134) ):33-42. Available from: https://sid.ir/paper/124240/en

IEEE: Copy

NIMA AKBARI, KAZEM ESMAILI, and SAEEDREZA KHODASHENAS, “Analytical and Experimental investigation of the Hydraulic Jump Characteristics over Permeable Beds,” JOURNAL OF HYDRAULICS, vol. 13, no. 4 (134) , pp. 33–42, 2019, [Online]. Available: https://sid.ir/paper/124240/en

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