Zobrazeno 1 - 10
of 3 661
pro vyhledávání: '"Bluff body"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract This article delves into a hybrid galloping energy harvester featuring a longitudinally aligned triangular-shaped bluff body. Numerically, it analyzes how the position of a lumped mass influences the average output power of the harvester und
Externí odkaz:
https://doaj.org/article/48fd4411d11148d190b8ebbd3b855596
Autor:
A. M. Aly
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 12, Pp 2514-2532 (2024)
Accurate prediction of wind pressures on buildings is crucial for designing safe and efficient structures. Existing computational methods, like Reynolds-averaged Navier-Stokes (RANS) simulations, often fail to predict pressures accurately in separati
Externí odkaz:
https://doaj.org/article/65960a9816f64d4fa035ec1d8d674f3f
Publikováno v:
Applications in Energy and Combustion Science, Vol 19, Iss , Pp 100279- (2024)
This numerical study is designated to comparatively investigate premixed CH4/air jet flames from bluff-body (BB) and non-BB (NBB) burners in the coflow of hot exhaust gas. Specifically, traditional combustion (TC) from BB burner (BB-TC), MILD combust
Externí odkaz:
https://doaj.org/article/c3880c810afd430f869aaa2c353e101e
Akademický článek
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Publikováno v:
Aerospace, Vol 11, Iss 9, p 783 (2024)
In this study, a disk-type bluff body was installed at the upper part of a nozzle exit, and the circular jet inside the nozzle was controlled using a dielectric barrier discharge (DBD) plasma actuator (DBD-PA). The effects of the changes in the excit
Externí odkaz:
https://doaj.org/article/b4cc88c68d4744c0a3cafb796657ec9e
Autor:
Florin Gabriel Florean, Andreea Mangra, Marius Enache, Razvan Carlanescu, Alexandra Taranu, Madalina Botu
Publikováno v:
Inventions, Vol 9, Iss 4, p 74 (2024)
A considerable number of Combined Heat and Power (CHP) systems continue to depend on fossil fuels like oil and natural gas, contributing to significant environmental pollution and the release of greenhouse gases. Two V-gutter flame holder prototypes
Externí odkaz:
https://doaj.org/article/09059540788942bb8d89ca99a095fa6f
Autor:
Zengshun Chen, Diqin Li, Sijia Li, Jie Bai, Xianzhi Fu, Cruz Y. Li, Hongkai Wang, Yunfei Fu, K. T. Tse
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 17, Iss 1 (2023)
Insufficiently studied, the phenomenon of twisted wind is prevalent in mountainous regions. This study focuses on investigating the characteristics and aerodynamics of a single high-rise building subjected to a twisted wind field (TWF). By comparing
Externí odkaz:
https://doaj.org/article/c67cdd1c953543749c85e433f513704d
Publikováno v:
Fluids, Vol 9, Iss 6, p 131 (2024)
Vortices belong to the most important phenomena in fluid dynamics and play an essential role in many engineering applications. They can act detrimentally by harnessing the flow energy and reducing the efficiency of an aerodynamic device, whereas in o
Externí odkaz:
https://doaj.org/article/480798d68879446d8ecd3efe20d38d8a
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2815 (2024)
This study presents a comprehensive exploration centred on the morphology and surface structure of bladeless wind turbines (BWTs) aimed at optimizing their wind energy harvesting capability. Unlike conventional wind technology where vortex-induced vi
Externí odkaz:
https://doaj.org/article/baee5e0ec18246d1a91cded3c99792c7
Akademický článek
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