Zobrazeno 1 - 10
of 1 450
pro vyhledávání: '"Wall effect"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 12, Pp 2608-2622 (2024)
The motion of bubbles near a solid vertical wall and the resulting induced flow field were experimentally investigated using the shadow method and particle image velocimetry (PIV). The study analyzed how bubble generation frequency and initial distan
Externí odkaz:
https://doaj.org/article/72a8391dd45f4ca8b278963d805be767
Publikováno v:
Advances in Aerodynamics, Vol 6, Iss 1, Pp 1-21 (2024)
Abstract Ducted-fan drones are expected to become the main drone configuration in the future due to their high efficiency and minimal noise. When drones operate in confined spaces, significant proximity effects may interfere with the aerodynamic perf
Externí odkaz:
https://doaj.org/article/7fce01ca07af406787eb0c1cdb4441cb
A statistical model for estimating porosity based on various parameters of flow through porous media
Publikováno v:
Water Practice and Technology, Vol 19, Iss 5, Pp 1936-1947 (2024)
Flow through porous media is a process with a momentous impact on the environment. Hydraulic conductivity, which depends on the particle size, shape, and porosity of the media, has applications in different fields of science, e.g., groundwater, seepa
Externí odkaz:
https://doaj.org/article/f53eb30f188d49f997da15ca1f31f4b2
Autor:
Pawel Flaszyński, Filip Wasilczuk, Michal Piotrowicz, Janusz Telega, Karol Mitraszewski, Kurt Schaldemose Hansen
Publikováno v:
Wind Energy, Vol 27, Iss 1, Pp 53-74 (2024)
Abstract The paper presents a study of the upstream influence of wind farms on the wind speed, which is called blockage effect. A Reynolds Averaged Navier–Stokes (RANS) numerical model using an actuator disc method was devised and validated using t
Externí odkaz:
https://doaj.org/article/02afac9e4b48421f9a9cfbd2a1779bec
Publikováno v:
Advances in Aerodynamics, Vol 5, Iss 1, Pp 1-23 (2023)
Abstract The Co-flow Jet (CFJ) technology holds significant promise for enhancing aerodynamic efficiency and furthering decarbonization in the evolving landscape of air transportation. The aim of this study is to empirically validate an optimized CFJ
Externí odkaz:
https://doaj.org/article/b0c40f9ee7984e898c172755027c668f
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6076 (2024)
The motion of near-wall bubble-in-chain, which is a crucial aspect of the study of near-wall bubble flows, involves not only the wall effect but also the interactions between bubbles. However, there have been few studies on this topic. In this study,
Externí odkaz:
https://doaj.org/article/24f7d2c7e4234fb5b643f196935a3c58
Publikováno v:
Buildings, Vol 14, Iss 6, p 1637 (2024)
Researching and developing a new type of diaphragm wall foundation can solve the probl em that the traditional diaphragm wall structure may not meet the high standards of safety and stability of underground structures in some specific engineering env
Externí odkaz:
https://doaj.org/article/5f9c589f2c6b42ab87eb988ee5805294
Publikováno v:
Science and Engineering of Composite Materials, Vol 30, Iss 1, Pp 2930-59 (2023)
The reinforced efficiency of steel fibers in composites is closely related to their spatial orientation, which can be generally driven by the external magnetic force and restricted by the wall effect of rigid boundaries of the container. To clarify t
Externí odkaz:
https://doaj.org/article/f4e56d0963194b169b7babe4a90a3bbd
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 5, Pp 1030-1043 (2023)
Taking the electric eel as a bionic object, a long undulatory fin is designed. The turbulent model standard k-ε is used to solve the N‒S equation of a three-dimensional unsteady incompressible fluid. The hydrodynamic characteristics of the undulat
Externí odkaz:
https://doaj.org/article/c5079729701641a2959732f7a7a76a49
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