Zobrazeno 1 - 10
of 478
pro vyhledávání: '"aerodynamic coefficient"'
Publikováno v:
Advances in Bridge Engineering, Vol 5, Iss 1, Pp 1-17 (2024)
Abstract An iced suspension bridge hanger has an altered aerodynamic shape, potentially causing various types of wind-induced vibrations. A wind tunnel experiment was performed, based on the DenHartog galloping theory, to study the wake galloping of
Externí odkaz:
https://doaj.org/article/5f6f4a6f729c480a97bc25114f72e3a9
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-25 (2024)
Abstract This research simulates the behavior of a tornado on a double-slope roof using the Ward tornado generator and the $$SS{T_{k - \omega }}$$ turbulence model. The effects of different ground roughness, slope angle, and wind field position on th
Externí odkaz:
https://doaj.org/article/cf765645cf0343f5a2a09e4ca73cb2c1
Publikováno v:
Механика машин, механизмов и материалов, Iss 2(67), Pp 23-29 (2024)
The problem solution is considered for an airstream flow around a rectangular parallelepiped railway car model. The results of computer modeling in ANSYS CFX software system of air flow aerodynamics at its deviation from the longitudinal axis of the
Externí odkaz:
https://doaj.org/article/6413b67d83424462b05ecf61235e4846
Publikováno v:
南方能源建设, Vol 10, Iss 5, Pp 116-128 (2023)
[Introduction] The galloping of transmission lines will lead to trip, worn hardware, broken insulator string, damaged tower-arm and other accidents. In serious cases, collapsed tower accidents may occur. Therefore, it is very meaningful to establish
Externí odkaz:
https://doaj.org/article/a21a966c3a7f468a9284353b352ad629
Publikováno v:
Zhejiang dianli, Vol 42, Iss 7, Pp 57-65 (2023)
The CFD （computational fluid dynamics） numerical simulation is used to study the aerodynamic characteristics of a UHV steel tubular transmission tower. A refined CFD numerical model of the whole transmission tower is established based on SOLIDWOR
Externí odkaz:
https://doaj.org/article/c41b5dcbb5d24051a36392d27ca704b9
Autor:
Md. Mahbubur Rahman, Ved Prakash, Sunil Chandel, D. G. Thakur, Robert Čep, Nitin Khedkar, Sachin Salunkhe, Emad S. Abouel Nasr
Publikováno v:
Frontiers in Mechanical Engineering, Vol 9 (2023)
In the present work, an investigation of the aerodynamic characteristics of an ejection seat occupant is carried out using the commercially available computational fluid dynamics software ANSYS Fluent. 3D Reynolds-averaged Navier–Stokes equations a
Externí odkaz:
https://doaj.org/article/69dc7b0330b14627b2fc06b79f2083ed
Akademický článek
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Akademický článek
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Autor:
Cuicui Yan, Honglin Zhang
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 40-52 (2022)
High-altitude wind power generation mainly collects wind energy at a certain altitude through tethered aircraft. This article discusses the current status of the research on the power system of the cut wind flying kite, and derives the relationship b
Externí odkaz:
https://doaj.org/article/a58bc66e29a549bba17bc87a7e42f079
Autor:
Shunsuke YAMADA, Teppei TSUJITA
Publikováno v:
Journal of Fluid Science and Technology, Vol 18, Iss 1, Pp JFST0007-JFST0007 (2023)
Robots that operate at a disaster site have been proposed and the dispatch of rescue robots to such site is required. However, discussion on the transport of these robots is insufficient. One method of transporting such robots is to use an airplane a
Externí odkaz:
https://doaj.org/article/54dfedb7f68445ff8594af501e083c66