Zobrazeno 1 - 10
of 12 701
pro vyhledávání: '"k-epsilon"'
Publikováno v:
Izvestiâ Vysših Učebnyh Zavedenij i Ènergetičeskih ob Edinennij SNG. Ènergetika, Vol 67, Iss 2, Pp 97-114 (2024)
The article presents the results of research on modeling the DU-06-W-200 airfoil used in wind power plants with a vertical axis in the Ansys Fluent system, evaluating compatibility with experimental data and determining the optimal angle of attack. T
Externí odkaz:
https://doaj.org/article/b03d74d5bcbb4f6d82aa7e3f1d8dff16
Publikováno v:
INCAS Bulletin, Vol 16, Iss 1, Pp 3-14 (2024)
Comprehensive numerical analysis was conducted to elucidate the exhaust performance of rocket engine nozzles. The study focused on unravelling the intricate relationship between convergence and divergence angles and their impact on the exhaust perfor
Externí odkaz:
https://doaj.org/article/8c5f48eef2ee4919868a4f48131da5ec
Publikováno v:
Opuscula Mathematica, Vol 44, Iss 2, Pp 197-240 (2024)
In this work, we study a one-equation turbulence \(k\)-epsilon model that governs fluid flows through permeable media. The model problem under consideration here is derived from the incompressible Navier-Stokes equations by the application of a time-
Externí odkaz:
https://doaj.org/article/0d02d00db7a049ed85fff2d489df6eb7
Autor:
Ibrahim A. Fetuga, Olabode T. Olakoyejo, Sogo M. Abolarin, Joshua K. Gbegudu, Adrian Onwuegbusi, Adekunle O. Adelaja
Publikováno v:
Alexandria Engineering Journal, Vol 64, Iss , Pp 859-875 (2023)
This study investigates the effect of tube layout configurations on the hydraulic-thermal performance of shell-and-tube heat exchangers (STHXs) as waste heat recovery systems. The STHXs are triangular (30°, STHX-T), rotated triangular (60°, STHX-RT
Externí odkaz:
https://doaj.org/article/4ee0d0a28ecb404e9122d894ea0c55b5
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1053-1062 (2022)
Biomass gasification is currently considered a promising technology with regard to the sustainable use of bioenergy to produce power due to its renewable character and relative availability. In this work, an Eulerian model was used to study numerical
Externí odkaz:
https://doaj.org/article/8808ff1e982f473aa95d2dd3d7fa1453
Publikováno v:
Energies, Vol 16, Iss 10, p 4185 (2023)
Drilling bits are essential downhole hardware that facilitates drilling operations in high-pressure, high-temperature regions and in most carbonate reservoirs in the world. While the drilling process can be optimized, drilling operators and engineers
Externí odkaz:
https://doaj.org/article/2e9265d2151a4c6793c8f0bee5229b4f
Publikováno v:
Tikrit Journal of Engineering Sciences, Vol 29, Iss 1 (2022)
This study investigates the flow of a semicircular labyrinth weir in an open channel by experimental and numerical methods. The experiments were carried out in a channel with a length of 3.5m and width of 0.25m and 0.3m height under five different fl
Externí odkaz:
https://doaj.org/article/f9b24f6f607944a0a8b4dcbb1dd86e59
Autor:
Akshay Sherikar, P. J. Disimile
Publikováno v:
Journal of Mechanical Engineering and Sciences, Vol 14, Iss 2, Pp 6663-6678 (2020)
The objective of this study is to expound on the deliverables of a steady-state RANS (Reynolds Averaged Navier Stokes) simulation in one of the simplest flows, Couette flow, at a very high Reynolds number. To that end, a process to perform better gri
Externí odkaz:
https://doaj.org/article/1437b20ad2684ab3ba8fe4b006a99c4b
Autor:
Arun George, Il Hyoung Cho
Publikováno v:
International Journal of Naval Architecture and Ocean Engineering, Vol 12, Iss , Pp 468-478 (2020)
The wave interaction problem with a vertical slotted breakwater, consisting of impermeable upper, lower parts and a permeable middle part, has been studied theoretically. An analytical model was presented for the estimation of reflection and transmis
Externí odkaz:
https://doaj.org/article/ca90cbc4e9d44a54b1c88bf096273b7b
Publikováno v:
Platform, a Journal of Engineering, Vol 3, Iss 2, Pp 55-64 (2019)
The modelling of a turbulent buoyant jet is challenging due to the complex nature of such flow, which consists of two fluids with different densities, as well as the multi-scale flow phenomena associated in both space and time. In this paper, the k-e
Externí odkaz:
https://doaj.org/article/7b8b16697bee4f1f91a293dd6d52621d