Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Mahdi Majedi-Asl"'
Publikováno v:
Journal of Hydraulic Structures, Vol 10, Iss 2, Pp 30-45 (2024)
In this study, we investigate the discharge coefficient prediction of arched labyrinth weirs with a cycle angle of 6 degrees, employing 243 data series. Labyrinth weirs, aside from their economic advantages, exhibit superior flow-passing capabilities
Externí odkaz:
https://doaj.org/article/cb04d3acf3d24d91ad05ac7d5e798c16
Autor:
Mahdi Majedi-Asl, Hadi Arvanaghi, Mehdi Fuladipanah, Omid Ghasemzadeh, Tohid Omidpour Alavian
Publikováno v:
Journal of Hydraulic Structures, Vol 10, Iss 2, Pp 106-118 (2024)
A paramount determinant in the selection of irrigation canal overflow configurations resides in their flow conveyance capacity. This overflow capacity is contingent upon the effective length and geometric characteristics of the weir. In the present i
Externí odkaz:
https://doaj.org/article/b93e8ef39d6247c0873d7bde5d1604ec
Autor:
Mahdi Majedi-Asl, Mohammadhosein Jahanpeima, Peyman Khodapanah-Rad, Mehdi Kouhdaragh, Mohammad Bagherzadeh
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 9, Iss 2, Pp 51-65 (2023)
The aim of the current research is to evaluate the effect of placing a compound sharp-crested weir at different angles in the channel on its hydraulic performance. For this purpose, Flow-3D software was used to simulate the effect of the placement an
Externí odkaz:
https://doaj.org/article/0c4435a0d7b1428e9ee22f735f741b14
Publikováno v:
Geocarto International, Vol 38, Iss 1 (2023)
Contamination and seawater intrusion are esteemed as chief issues of coastal aquifers resulting from unscientific utilization, non-standard monitoring network and improper management. In the present study, an optimum monitoring network with appropria
Externí odkaz:
https://doaj.org/article/5b8dbe1c04c241fa90e35f713acc7033
Publikováno v:
Journal of Hydraulic Structures, Vol 8, Iss 4, Pp 57-72 (2023)
As a destructive process, scouring exposes bridge foundations to failure and disastrous consequences. Control structures of various arrangements are capable to change and manage the adverse effects. This paper aims to investigate the effect of submer
Externí odkaz:
https://doaj.org/article/37c782f840ca45218f0d744ecf76beaf
Publikováno v:
Journal of Hydraulic Structures, Vol 8, Iss 4, Pp 29-44 (2023)
Harvesting the river materials can cause negative effects on the river and can intensify scouring around the bridge piers. This study investigates local scouring around roughened pile groups with gravel in the presence of harvesting pits for Froude n
Externí odkaz:
https://doaj.org/article/de572ecb122d4206977b0d3dd4c5515d
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 8, Iss 1, Pp 145-157 (2022)
Today, the use of stone materials, especially gabions, for easy access and abundance for the construction of rockfill dams, filtration, and stilling basin is increasing. In this study, first, the hydraulic flow by combining the gabion structure with
Externí odkaz:
https://doaj.org/article/428da25559e24a28895a55596d674ec2
Publikováno v:
Water Supply, Vol 22, Iss 2, Pp 1964-1982 (2022)
As a remarkable parameter, the discharge coefficient (Cd) plays an important role in determining weirs' passing capacity. In this research work, the support vector machine (SVM) and the gene expression programming (GEP) algorithms were assessed to pr
Externí odkaz:
https://doaj.org/article/7e8e81ab2e5a4a17a6ad074053246ea2
Publikováno v:
Journal of Applied Research in Water and Wastewater, Vol 7, Iss 2, Pp 137-143 (2020)
In this paper, two groups of datasets including Froehlich (1988) and USGS were implemented to simulate scour depth for bridge piers of three shapes (circular, sharp-nose and rectangular) using support vector machine (SVM) algorithm. The results of th
Externí odkaz:
https://doaj.org/article/0f70b23d774a4669a0746e012c254cba
Publikováno v:
Water Supply. 22:1964-1982
As a remarkable parameter, the discharge coefficient (Cd) plays an important role in determining weirs' passing capacity. In this research work, the support vector machine (SVM) and the gene expression programming (GEP) algorithms were assessed to pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::174a2750046a3a9f60117047fc449b19
https://doi.org/10.2166/ws.2021.304
https://doi.org/10.2166/ws.2021.304