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Development of Compounded Surfactant Foam and Its Application in Emergency Control of Piping in Dikes [PDF]
MoleculesPiping is a severe threat to dikes, which can lead to dike failure, and cause significant economic and human casualties. However, conventional measures necessitate substantial labor and material resources.
Jiakun Gong +5 more
doaj +2 more sources
Interpolation of gas-liquid multicomponent fluid properties for piping fluid flow analysis [PDF]
E3S Web of Conferences, 2023 The article proposes the use of bicubic spline interpolation to optimize hydraulic and thermal calculations while processing thermodynamic library data. Research was carried out both in single-phase gas and liquid regions, as well as in the two-phase gas-
Skripachenko Maria
doaj +1 more source
On the Convergence of “Estimated Flow Rate” Method for Hydraulic Network Flow Rate Distribution Analysis [PDF]
E3S Web of Conferences, 2023 The article contains prove that Estimate Flow Rate (EFR) method of hydraulic network flow rate distribution analysis described in [1-3], converges from any initial point for some class of hydraulic networks with odd functions of losses on edges.
Korelstein Leonid
doaj +1 more source
Centrifugal pump dynamic simulation experience for waterhammer calculation [PDF]
E3S Web of Conferences, 2020 Dynamic model of centrifugal pump with induction motor on the base of Suter curves is described. The model is implemented in surge model of PASS/Hydrosystem software.
Korelstein Leonid +2 more
doaj +1 more source
A method of analysis of complex hydraulic networks [PDF]
E3S Web of Conferences, 2020 A simple and reliable iterative solution method of classical hydraulic network flow rate distribution problem is described. The method is based on chord linearization of inverse branch loss function which keeps basic branch properties.
Duginov Leonid +2 more
doaj +1 more source
Modernization of Todini Global Gradient Algorithm for hydraulic analysis of networks with choked flow [PDF]
E3S Web of Conferences, 2020 The modification of well-known Global Gradient Algorithm for hydraulic network flow distribution problem is proposed. This modification is based on problem equations rewritten in “upstream” form and on modified form of linearization, and can be ...
Korelstein Leonid
doaj +1 more source
Remote Sensing, 2023 Piping is a major factor contributing to river embankment breaches, particularly during flood season in small and medium rivers. To reduce the costs of earth rock embankment inspections, avoid the need for human inspectors and enable the quick and ...
Renzhi Li +5 more
doaj +1 more source
Pure bending of pipe-in-pipe systems [PDF]
Thin-Walled Structures, 2019 Abstract Subsea pipelines and PIP systems experience large bending moments during installation and operation. However, unlike single-walled pipelines, the behaviour of PIPs under bending has been only marginally addressed. In the current study, the bending response of PIP systems with diameter-to-thickness ratio (D/t) of 15–40 is investigated. Linear
Binazir, Ali +3 more
openaire +4 more sources
Sufosion phenomena in the area of Pieniny National Park [PDF]
Acta Scientiarum Polonorum. Formatio Circumiectus, 2023 Aim of the study: The aim of the study was to determine the range and conditions for the formation of the piping hole and the piping canal found in the Pieniny National Park in May 2019.
Andrzej Gruchot +4 more
doaj +1 more source
Occurrence of plastic collapse under ratcheting due to gravity and seismic loading
Mechanical Engineering Journal, 2022 The most dominant failure mode of piping components under seismic loading is fatigue failure with ratcheting. While it was confirmed via the experimental tests in the past, the Primary stress limit is applied to seismic loading to prevent plastic ...
Satoru KAI +2 more
doaj +1 more source