Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Mirali Mohammadi"'
Autor:
Mohammad Naghavi, Mirali Mohammadi
Publikováno v:
آب و توسعه پایدار, Vol 11, Iss 1, Pp 73-82 (2024)
Flood plains of rivers play a significant role in the transfer of flood discharge. In this research, the vertical distribution of the longitudinal and transverse flow velocities and the amount of discharge passing through different sections of the ma
Externí odkaz:
https://doaj.org/article/6151250453bf416e8ba9a0a70fd3edb3
Autor:
Mohsen Monadi, Mirali Mohammadi
Publikováno v:
Journal of Advances in Environmental Health Research, Vol 11, Iss 4, Pp 221-227 (2023)
Background: Particle size of sediment is necessary to design and operation of sewer systems. In this regard, calculation of the equivalent particle diameter (EPD) is of important to determine the particle Reynolds number (Ret) as well as total load c
Externí odkaz:
https://doaj.org/article/df4ec60acba343399902051e4b14cb12
Publikováno v:
Journal of Hydroinformatics, Vol 25, Iss 5, Pp 1713-1727 (2023)
In this research, the estimation of discharge in compound open channels with convergent and divergent floodplains using soft computing methods, including the neural fuzzy group method of data handling (NF-GMDH), support vector regression (SVR), and M
Externí odkaz:
https://doaj.org/article/c09af2b9100448778acbedb0949c8a8b
Publikováno v:
محیط زیست و مهندسی آب, Vol 9, Iss 3, Pp 384-398 (2023)
The volume of sediment transport rate during floods is one of the important issues in river engineering. This volume of sediments has caused countless damages to the hydraulic structures which are built along the rivers, every year. The purpose of th
Externí odkaz:
https://doaj.org/article/faab3b7e3f144ec1ac3af98acf07fefa
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 9, Iss 1, Pp 91-104 (2023)
Natural rivers experience significant sediment transport rates during floods.The purpose of this study was to investigate the effects of flood hydrograph intensity parameter on the amount of bed sediment transport rate. For this purpose, a real unste
Externí odkaz:
https://doaj.org/article/2a464837d32e43c49e5f25a04f45a8f8
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 9, Iss 1, Pp 1-11 (2023)
The downstream scour of the vertical drop can be one of the causes of instability and failure of this structure. In the present study, the downstream scour depth of this structure predicted using the support vector machine (SVM) method. For this purp
Externí odkaz:
https://doaj.org/article/a7485ad14cbb432088699a0611dc0e21
Publikováno v:
Water Supply, Vol 23, Iss 4, Pp 1684-1699 (2023)
In this research, water's surface elevation in compound channels with converging and diverging floodplains using soft computing models including the Multi-Layer Perceptron Neural Network (MLPNN), Group Method of Data Handling (GMDH), Neuro-Fuzzy Grou
Externí odkaz:
https://doaj.org/article/5652eff238f7441ebb493620ae2c0b4d
Publikováno v:
Water Science and Technology, Vol 87, Iss 8, Pp 1853-1865 (2023)
The scouring depth caused by the water jet outputs from a dam is one of the crucial parameters for design purposes. Due to the importance of the subject, several laboratory studies have been conducted to understand this subject. Nevertheless, using s
Externí odkaz:
https://doaj.org/article/57cb0f43be874d47a40efd194b8803dc
Autor:
mohammad bagherzadeh, Mirali Mohammadi
Publikováno v:
آب و توسعه پایدار, Vol 9, Iss 4, Pp 1-12 (2023)
At the downstream end of the large dam spillways, the plunge pool is used for energy dissipation due to the flow. This type of structure has a scouring hole downstream of the dam, which needs to be explored for the issue. The present research work ai
Externí odkaz:
https://doaj.org/article/ecf6fd38ba4041f4b64adf33bedcda80
Publikováno v:
مجله مدل سازی در مهندسی, Vol 20, Iss 71, Pp 1-12 (2022)
Prediction of flow discharge coefficient, Cd, for a sluice gate under free and submerged flow conditions is one of the essential issues in hydraulics. In recent years, various semi-empirical equations have been developed in order to predict Cd for a
Externí odkaz:
https://doaj.org/article/6507f7968dde4654b00e12bd4ba309f9