Results 31 to 40 of about 2,852,031 (256)

SIMULAÇÃO DO ESCOAMENTO EM CONTRACORRENTE ÁGUA/AR EM REATORES NUCLEARES PWR UTILIZANDO CÓDIGO OPENFOAM

open access: yesHolos, 2018
A limitação do escoamento em contracorrente, ou inundação, é um fenômeno caracterizado pelo controle que um gás exerce no escoamento de um líquido em sentido contrário. Este efeito tem recebido atenção especial da área nuclear, devido à sua influência no
Youssef Morghi   +3 more
doaj   +1 more source

Professor V. Ye. Timonov – the formation of the scientific worldview

open access: yesІсторія науки і техніки, 2020
The name of Vsevolod Timonov, an outstanding scientist-engineer, teacher, public figure, and popularizer of science, doctor of technical sciences, Honored worker of science and technology of the RSFSR, professor, is well known to a wide range of domestic
Liubov Soloviova   +3 more
doaj   +1 more source

Application of non-contact geodetic measurement techniques in dam monitoring [PDF]

open access: yesArchives of Civil Engineering, 2022
The maintenance of dams, including the protection of reservoir and flood embankments, requires regular control measurements and assessment of their technical condition. The choice of measurement methods, especially in terms of their speed and reliability,
Janina Zaczek-Peplinska, Maria Kowalska
doaj   +1 more source

Modern approaches to the construction of anti-filtration elements at the base of hydrotechnical construction [PDF]

open access: yesE3S Web of Conferences, 2023
The technologies of the device of anti-filtration elements in ground dams of hydrotechnical construction are considered. Currently, the following problem is relevant, which of the methods of the device of anti-filtration elements is more expedient ...
Kravchenko Arkadiy   +3 more
doaj   +1 more source

Visual inference of flow flux via free surface PDE model and image sequence assimilation

open access: yesIET Cyber-systems and Robotics, 2019
The free-surface flows, such as flows in rivers, lakes, and tides, play an important role in hydraulic engineering and environmental monitoring. However, due to their complex and changeable characters, the precise evolution procedure is quite difficult ...
Shan Guo, Chao Xu, Ka Fai Cedric Yiu
doaj   +1 more source

Simulation of relative energy loss downstream of multi-gate regulators using ANN

open access: yesCogent Engineering, 2022
Regulators are commonly used to control and measure the flow in streams and irrigation canals. The number of opened gates and their arrangements significantly affected the flow characteristics downstream (DS) of multi-gate regulators. For the first time,
Mohamed F. Sauida
doaj   +1 more source

Computation of mooring quay in the form of pile grillage [PDF]

open access: yesИнженерно-строительный журнал, 2017
The calculation of a pile grillage quay, as a frame with rigid anchored legs, using in technical literature and normative documents, is called a method of Gersevanov.
V.S. Korovkin   +4 more
doaj   +1 more source

Centrifuge modeling of 200000 tonnage sheet-pile wharfs with relief platform

open access: yesYantu gongcheng xuebao, 2018
1.Geotechnical Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210024, China 2.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing 210029, China 3.Nanjing Urban and Rural Construction Committee ...
XU Guang-ming 1,2, LIU Yang 3, REN Guo-feng 1,2, GU Xing-wen 1,2
doaj   +1 more source

A Modelfor Collective Life in Iran [PDF]

open access: yesDānishhā-yi būmī-i Īrān, 2019
There are experiences of the collective life in the high-level civilization in the high plateau of Iran indicating of a pattern as "spirit" and model as the "body".Isfahan, as aclimate of landscapes, cultural and engineering is one good example to ...
محمود مهام
doaj   +1 more source

Riego y drenaje en la cuenca media del río Bogotá: el caso del distrito de riego de La Ramada, 1939-2000

open access: yesHistoria Crítica, 2022
Objective/Context: This article analyzes the evolution and history of water uses of the Bogotá River and its basin, with a special focus on irrigation uses.
Gilberto Ramírez Espinosa
doaj   +1 more source

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