Zobrazeno 1 - 10
of 1 869
pro vyhledávání: '"URANS"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 18, Iss 1, Pp 112-130 (2024)
This paper presents a numerical investigation of the air wake around a generic surface combatant ship called NATO-Generic Destroyer (NATO-GD). Naval surface combatants with flight decks must be designed taking aerodynamic concerns into account. Most
Externí odkaz:
https://doaj.org/article/66b6d446da4d4b3e91964a35f3270c90
Autor:
Micol Pucci, Stefania Zanforlin
Publikováno v:
Eng, Vol 5, Iss 3, Pp 2345-2361 (2024)
Thick airfoils are often used in the inboard sections of blades in commercial wind turbines. The main reason for this is to give the blade greater structural strength, but it is well known that thick airfoils degrade aerodynamic performance by stalli
Externí odkaz:
https://doaj.org/article/75323a37a0d346aaabfd0ac41b1e8475
Publikováno v:
Polish Maritime Research, Vol 31, Iss 3, Pp 113-125 (2024)
This article details the development and evaluation of a novel wave energy converter (WEC) aimed at efficiently capturing wave energy for electricity production. The study employs Computational Fluid Dynamics (CFD) techniques, specifically the URANS
Externí odkaz:
https://doaj.org/article/4fa0e84b5c1f40e891771ac8b22275a5
Publikováno v:
International Journal of Numerical Methods for Heat & Fluid Flow, 2023, Vol. 34, Issue 7, pp. 2626-2653.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/HFF-09-2022-0566
Publikováno v:
Havacılık ve Uzay Teknolojileri Dergisi, Vol 17, Iss 2, Pp 62-88 (2024)
The effect of helicopter rotor blade tip shape on overall aircraft noise level is analyzed, in forward flight conditions. The infamous HART-II experimental data is used as a base for validations. Commercially available CFD software Ansys/Fluent is us
Externí odkaz:
https://doaj.org/article/d1c3a14badd54756b73de9c27b8c85c4
Publikováno v:
Modelling, Vol 5, Iss 2, Pp 483-501 (2024)
Three-dimensional (3D) computational fluid dynamics (CFD) simulations have been carried out to investigate the complex interaction of a planar shock wave (Ma = 1.22) with a cylindrical bubble. The unsteady Reynolds-averaged Navier–Stokes (URANS) ap
Externí odkaz:
https://doaj.org/article/01b4459b174b49e7916734bd5f33b3f1
Publikováno v:
Havacılık ve Uzay Teknolojileri Dergisi, Vol 17, Iss 1, Pp 205-255 (2024)
In the present work, a numerical methodology is developed for affordable and accurate analysis of helicopter rotor noise in forward flight. The flow field is obtained using unsteady compressible flow analyses using commercially available computationa
Externí odkaz:
https://doaj.org/article/bce283db9d714736b4ed1c59712e8d87
Publikováno v:
Acoustics, Vol 6, Iss 1, Pp 18-34 (2023)
This paper presents the results of a study of self-sustained processes excited in a Helmholtz resonator after a flow over its orifice. A comparative analysis of various approaches to the numerical modeling of this problem was carried out, taking into
Externí odkaz:
https://doaj.org/article/98608f18048a49ada10beb0206c1eabc
Autor:
M. Tata, A. Bekhti, M. Maizi, N. O. Cherifi, A. Tamoum, D. Hamane, A. Boudis, M. Debbache, O. Guerri
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 2, Pp 442-460 (2023)
The aim of this study is to evaluate the aerodynamic efficiency of a Savonius vertical-axis wind turbine. The approach used relies on resolving the Unsteady Reynolds Averaged Navier-Stokes equations (URANS), the turbulence being modeled by the k-ω S
Externí odkaz:
https://doaj.org/article/9a95dafb65c645e794eec77a734447e8
Publikováno v:
International Journal of Thermofluids, Vol 22, Iss , Pp 100672- (2024)
The present study treats numerically the performance of a straight-bladed, vertical axis, Darieus wind turbine. A two-dimensional (2D), Unsteady Reynolds-averaged Navier–Stokes (URANS) simulations were performed out by the solver ANSYS/FLUENT using
Externí odkaz:
https://doaj.org/article/5f340fbefdab441f879577d274c25a9b