Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Hamidreza Abbaszadeh"'
Publikováno v:
Aqua, Vol 73, Iss 3, Pp 637-661 (2024)
This investigation focuses on flow energy, a crucial parameter in the design of water structures such as channels. The research endeavors to explore the relative energy loss (ΔEAB/EA) in a constricted flow path of varying widths, employing Support V
Externí odkaz:
https://doaj.org/article/d81b2b0973f94b638a3a3d18c717a13d
Publikováno v:
محیط زیست و مهندسی آب, Vol 10, Iss 1, Pp 121-136 (2024)
One of the significant issues in hydraulic engineering is reducing erosion in rivers by using groynes to preserve soil. The purpose of this study is to investigate numerically the groynes' presence on the sedimentary flow parameters using FLOW-3D sof
Externí odkaz:
https://doaj.org/article/25b13f3760304551a233369dcb2e08fa
Publikováno v:
Journal of Hydraulic Structures, Vol 9, Iss 1, Pp 18-42 (2023)
Here, the effect of sill application on hydraulic jump parameters has been investigated. The model of sills is made of polyethylene in various dimensions. The sills were investigated in different positions relative to the gate in single, double, and
Externí odkaz:
https://doaj.org/article/df0dff37e12a4709b892d9bad0b56f5d
Publikováno v:
Journal of Hydraulic Structures, Vol 9, Iss 1, Pp 63-80 (2023)
The use of gate-sill combinations in recent years has been one of the new methods in increasing the hydraulic performance of gates, including the discharge coefficient (Cd). The present research aims to investigate the Cd of the gate with a sill in d
Externí odkaz:
https://doaj.org/article/8b1057f85ff34ba691934ebe3b7ef6fb
Publikováno v:
Journal of Hydraulic Structures, Vol 9, Iss 1, Pp 98-110 (2023)
This study investigates the potential of Adaptive Neuro-fuzzy inference system (ANFIS), M5P, and Gaussian Process regression (GP) approaches to predict discharge coefficient (Cd) of chimney weir with different apex angles. Out of 110 data points, 77
Externí odkaz:
https://doaj.org/article/03de3d522ddc409180ebe56193960488
Publikováno v:
محیط زیست و مهندسی آب, Vol 8, Iss 4, Pp 923-939 (2022)
Here, the contraction coefficient, discharge coefficient, hydraulic jump length, and relative energy dissipation in which the gate acts as a supercritical flow generator were investigated at different openings. The maximum value of the contraction co
Externí odkaz:
https://doaj.org/article/8a68c6b804ce470dacd2d2127f4a7df7
Publikováno v:
Water Supply, Vol 22, Iss 10, Pp 7767-7781 (2022)
In this study, the effects of the gate opening, sill placement with different widths under the gate, and the sill position from under the gate on the discharge coefficient were investigated experimentally. Sills are placed in positions below, tangent
Externí odkaz:
https://doaj.org/article/a3ce86b4745745ccadc1a8ffd3feaa4c
Publikováno v:
محیط زیست و مهندسی آب, Vol 8, Iss 3, Pp 711-725 (2022)
The presence of a sill under the sluice gate is one of the solutions to control the flow rate. This study was conducted to numerically investigate the discharge coefficient (Cd) of sluice gates with different heights and widths of sills in free flow
Externí odkaz:
https://doaj.org/article/508f7eeec9624b0ea35f4efa7ce1c8bc
Autor:
Hamidreza Abbaszadeh, Reza Norouzi, Veli Sume, Alban Kuriqi, Rasoul Daneshfaraz, John Abraham
Publikováno v:
Fluids, Vol 8, Iss 8, p 235 (2023)
This study investigates the effects of gate openings and different sill widths on the sluice gate’s energy dissipation and discharge coefficient (Cd). The physical model of the sills includes rectangular sills of different dimensions. The results s
Externí odkaz:
https://doaj.org/article/fd94e62603b9462d956db639ec3808d1
Publikováno v:
Journal of Hydraulic Structures, Vol 7, Iss 3, Pp 72-87 (2021)
Underpass gates are hydraulic structures in which water moves under the gate. Here, different models of gate position including vertical, deflection to upstream and downstream of the channel with respect to the vertical axis and also oblique position
Externí odkaz:
https://doaj.org/article/d6e1d373764f4861a1f6fa900beb1a80