Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Hamed Sarkardeh"'
Publikováno v:
Water Supply, Vol 23, Iss 6, Pp 2249-2266 (2023)
Cavitation is a common and complex hydraulic phenomenon on the chute spillways and may cause damage to the structure. Aeration in the water flow is one of the best ways to prevent cavitation. To design an aerator, estimation of aeration coefficient (
Externí odkaz:
https://doaj.org/article/586f1d78a19e47208d1838b0455b25c3
Publikováno v:
Applied Water Science, Vol 13, Iss 7, Pp 1-13 (2023)
Abstract The USBR VI stilling basin is one of the oldest basins designed to dissipate the energy at the outlet of pipes. In this study, the effect of two parameters including the Froude number (Fr) of inlet flow to the basin and the ratio of basin wi
Externí odkaz:
https://doaj.org/article/19929227e1284af0b3c7d64eabc3ab8e
Publikováno v:
Water Supply, Vol 22, Iss 8, Pp 6756-6764 (2022)
Permeability coefficient of soil (k) is one of the most important parameters in groundwater studies. This study, two robust explicit data-driven methods, Including classification and regression trees (CART) and the group method of data handling (GMDH
Externí odkaz:
https://doaj.org/article/34ed7df414da4192852fb98f166ec164
Autor:
Ali Bashtani, Hamed Sarkardeh
Publikováno v:
Journal of Hydraulic Structures, Vol 8, Iss 2, Pp 68-83 (2022)
In this study, the laboratory design and construction including: hydraulic, structure and water circulation system of a model for free surface vortex studies at intakes are described in details. Design parameters are considered based on the intake di
Externí odkaz:
https://doaj.org/article/9a0eeadceca54a1e8e5b6ece0d9910a4
Publikováno v:
Water Supply, Vol 22, Iss 4, Pp 4015-4029 (2022)
In this research, a numerical investigation was carried out on the effect of obstacle presence on the water flow during the dam-break in a dry bed. The validity of the numerical simulations was confirmed after comparing the results with the experimen
Externí odkaz:
https://doaj.org/article/20b08227b6064d7291a4ee4d4ff40e23
Publikováno v:
Water Supply, Vol 22, Iss 2, Pp 2093-2105 (2022)
In the present study, using a quasi 3D analytical simulation, air concentration distribution in ski jump generated jet is calculated. A numerical simulation is also performed to verify the results of the analytical model in parallel with the availabl
Externí odkaz:
https://doaj.org/article/60544524092940c2af9a44f3d6e5d60a
Autor:
Hamed Sarkardeh, Morteza Marosi
Publikováno v:
Water Supply, Vol 22, Iss 1, Pp 31-43 (2022)
In the present paper, free surface vortex formation at intakes is investigated analytically. By assuming a spiral form for vortex streamlines, continuity and momentum equations were integrated and solved in a vortex flow domain. From this solution, v
Externí odkaz:
https://doaj.org/article/54720d89d3694723b1d430b32880fbbd
Publikováno v:
Medžiagotyra, Vol 24, Iss 2, Pp 204-211 (2018)
In this paper, the compressive strength, tensile strength and growing rate of compressive strength in 3, 7, 28 and 90 day ages for steel, polypropylene and hybrid steel-polypropylene fiber reinforced concrete with different water to binder ratios (0.
Externí odkaz:
https://doaj.org/article/54ed4462ae904b788cfe078d0e9bc4ce
Publikováno v:
Applied Sciences, Vol 7, Iss 10, p 1011 (2017)
The main kind of deterioration in marine Reinforced Concrete (RC) structures and other infrastructures is steel bar corrosion due to cracks in concrete surfaces, which leads to the reduction of the load carrying capacity, ductility, and structural sa
Externí odkaz:
https://doaj.org/article/b3b73e62a0334e0ab102e0d69818f49f
Publikováno v:
The European Physical Journal Plus. 138
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afb4c27507ba369d5d4f42bb4484f78e
https://doi.org/10.1140/epjp/s13360-022-03624-4
https://doi.org/10.1140/epjp/s13360-022-03624-4