Zobrazeno 1 - 10
of 16 237
pro vyhledávání: '"Computational fluid dynamics CFD"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 18, Iss 2, Pp 438-449 (2024)
The aerodynamic performance of wind turbines is significantly influenced by the design of their blades, which are engineered with advanced aerodynamic airfoils. However, the effectiveness of these designs is compromised by environmental factors such
Externí odkaz:
https://doaj.org/article/1316eae9fc734b32a734fb430533fadc
Autor:
Arka Banerjee, Joydeep Mazumdar
Publikováno v:
Journal of Engineering and Applied Science, Vol 71, Iss 1, Pp 1-25 (2024)
Abstract Mixing elbows are widely used in various industrial processes to mix two different Newtonian or non-Newtonian fluids under turbulent flow conditions. This study numerically investigates the fluid flow and mixing characteristics in 90-degree
Externí odkaz:
https://doaj.org/article/a7eaa8f4a9e942ffa357a749d431c670
Autor:
Md Rakibuzzaman, Sang-Ho Suh, Hyoung-Ho Kim, Md. Didarul Islam, Ling Zhou, Mahmoud A. El-Emam
Publikováno v:
Alexandria Engineering Journal, Vol 113, Iss , Pp 431-450 (2025)
Hydraulic performance and operational stability of submersible drainage pumps can be affected by cavitation and erosion when used for draining water from buildings. A parametric study is essential to improve the suction performance and accurately ide
Externí odkaz:
https://doaj.org/article/c2cfaf2e1dca431da59057d426278c67
Publikováno v:
Wind Energy, Vol 27, Iss 9, Pp 953-974 (2024)
ABSTRACT Vertical axis wind turbine (VAWT) has a rotating axis perpendicular to the wind direction. This type of wind turbine that is suitable for urban environments has low wind direction dependency and noise. In this research, a novel surrogated ap
Externí odkaz:
https://doaj.org/article/ac9db97d54504dc4924b581dcd4e1d71
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 44, Iss 4, Pp 534-543 (2024)
Objectives: Femtosecond laser technology has become the primary method for micropore processing due to its high precision and low energy consumption. However, during the process, it is easy to cause microcracks and burrs in the micropores. Additional
Externí odkaz:
https://doaj.org/article/0055e3c51d5842ceb2b12ef08b404d4b
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 19, Iss 4, Pp 241-246 (2024)
ObjectivesThis study calculates and analyzes the flow field around the hull of a 210 000 DWT bulk carrier in order to perform hull line optimization with resistance and wake non-uniformity as the optimization objectives. MethodsComputational Fluid Dy
Externí odkaz:
https://doaj.org/article/5b2d3e1e5dce4c64883f51aaaad08e97
Autor:
Abdel-Fattah Mahrous
Publikováno v:
Applications of Modelling and Simulation, Vol 8, Pp 239-247 (2024)
Modifications in classical Savonius rotor have extensively been studied in an attempt to improve turbine performance. The present work investigates experimentally and computationally the effects of combining two different blade shape configurations i
Externí odkaz:
https://doaj.org/article/0804459dfb064f28ada22902a1405349
Publikováno v:
Alexandria Engineering Journal, Vol 100, Iss , Pp 232-245 (2024)
Manual welding operations are performed inside the engine room of a liquefied natural gas carrier under construction. The welders are at risk of exposure to welding fumes in case of poor ventilation. Therefore, ventilation fans are installed at shipb
Externí odkaz:
https://doaj.org/article/11d365c830834fc78982c0bc2c28deb3
Autor:
Sabaa Theeyzen, Basim Freegah
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103203- (2024)
The current study looks into the effects of using wire mesh to expand the flat plate solar collector (FPSC) on the system's thermal efficiency under transient heat-flux without changing its dimensions and its placement to minimise the shadows cast on
Externí odkaz:
https://doaj.org/article/85d09518d1324cc5aa555c73891f958c