Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Hamed Azimi"'
Publikováno v:
Journal of Pipeline Science and Engineering, Vol 2, Iss 4, Pp 100075- (2022)
In Arctic offshore regions, the oil and gas hydrocarbons are transferred to the onshore basins through the subsea pipelines. However, the operational integrity of the subsea pipeline may be at risk of collision with traveling icebergs, which gouge th
Externí odkaz:
https://doaj.org/article/031dee950a4749e2ba871ffb4a5c1ecf
Autor:
Hamed Azimi, Seyyed Hamid Ahmadi, Mohammad Reza Manafi, Syed Hossein Hashemi Moosavi, Mostafa Najafi
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 6, Iss 2, Pp 23-40 (2021)
Nickel is a toxic transition metal which can create serious problems in health of humans and wildlife. Thus determination of nickel in environmental samples like waters is important and inevitable. In this research a simple and sensitive method for d
Externí odkaz:
https://doaj.org/article/92411c0ce116426ab51d31154af3c42e
Autor:
Hamed Azimi, Seyyed Hamid Ahmadi, Mohammadreza Manafi, Syed Husain Hashemi Mousavi, Mostafa Najafi
Publikováno v:
Química Nova, Vol 43, Iss 6, Pp 760-764 (2020)
Lead is environmental pollutant that even in low trace is harmful for human health and wildlife. In this study we presented a colorimetric method for determination of Pb2+ in water by aggregation of silver nanoparticles capped citrate in the presence
Externí odkaz:
https://doaj.org/article/7b297abeac2a47fe9fc6cb9f7298cb39
Publikováno v:
Applied Water Science, Vol 10, Iss 1, Pp 1-9 (2019)
Abstract Side weir is used as a slot in the side wall of the main channel to direct excess water that is above the weir crest. Such structures are used in control of flow level in irrigation, drainage networks and urban sewage disposal systems. Furth
Externí odkaz:
https://doaj.org/article/6857f208f416426aafe31fb5b9abc14c
Publikováno v:
Applied Water Science, Vol 9, Iss 4, Pp 1-12 (2019)
Abstract In general, trapezoidal channels are used in irrigation and drainage networks. When installing a side weir on the side wall of a trapezoidal channel, as excess water reaches the side weir plane, additional flow from the crest of the side wei
Externí odkaz:
https://doaj.org/article/5986ceaf419141f080c812518077fa75
Publikováno v:
Journal of Applied Research in Water and Wastewater, Vol 5, Iss 2, Pp 441-446 (2018)
Dam break is an important phenomenon which significantly affects the environment as well as the inhabitants of the downstream areas of the dam. In the present study, the hydraulic break of Malpasset dam as a result of sudden flooding was simulated nu
Externí odkaz:
https://doaj.org/article/7f869e66637c4408a0310aae3dcdac2e
Autor:
Hamed Azimi, Saeid Shabanlou
Publikováno v:
Applied Water Science, Vol 8, Iss 6, Pp 1-10 (2018)
Abstract In this numerical study, the pattern and the field of the passing flow through circular channels with the side weir in supercritical flow conditions are simulated using the FLOW-3D model. First, the numerical model results are validated with
Externí odkaz:
https://doaj.org/article/df35f718e75c46eb91e8708a4efefc52
Publikováno v:
Journal of Applied Research in Water and Wastewater, Vol 4, Iss 1, Pp 281-289 (2017)
Weirs are installed on open channels to adjust and measure the flow. Also, discharge coefficient is considered as the most important hydraulic parameter of a weir. In this study, using the Radial Base Neural Networks (RBNN) and M5' methods, the disch
Externí odkaz:
https://doaj.org/article/d6c4cfdccef8427486ee4738dfcd1168
Autor:
Hamed Azimi, Saeid Shabanlou
Publikováno v:
مهندسی منابع آب, Vol 9, Iss 31, Pp 21-34 (2017)
Side weir is used as a slot in the side of main channel to direct excess flows that are above the weir crest. Such structures are used in control of flow level in irrigation, drainage networks and urban sewage disposal systems. Among these structures
Externí odkaz:
https://doaj.org/article/3a2857af432840dca83ad2715679be79
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 18, Iss 4, Pp 746-757 (2015)
Estimating the discharge coefficient using hydraulic and geometrical specifications is one of the influential factors in predicting the discharge passing over a side weir. Taking into account the fact that existing equations are incapable of estimati
Externí odkaz:
https://doaj.org/article/80caedfdf483474eaf3f23590d770cb6