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pro vyhledávání: '"Hamada, Ahmed"'
The transition between the Regular Reflection (RR) and Mach Reflection (MR) phenomenon impacts the design of the supersonic and hypersonic air-breathing vehicles. The aim of this paper is to numerically investigate the dynamic transition from RR to M
Externí odkaz:
http://arxiv.org/abs/2302.14321
In this paper, the shock dynamics due to the movement of a bump over a flat plate flying at supersonic speed are numerically investigated. The bump is located at the impingement position of the shock wave and is moved at different speeds. This study
Externí odkaz:
http://arxiv.org/abs/2302.13904
The intakes of air-breathing high-speed flying vehicles produce a large share of the thrust propulsion. Furthermore, the propulsion performance of these engines increases when the single-ramp intake is replaced with a multiple-ramps intake. Many scho
Externí odkaz:
http://arxiv.org/abs/2302.14288
The design of supersonic and hypersonic air-breathing vehicles is influenced by the transition between the Mach Reflection (MR) and Regular Reflection (RR) phenomena. The purpose of this study is to investigate the dynamic transition of unsteady supe
Externí odkaz:
http://arxiv.org/abs/2302.14244
Autor:
Hamada, Ahmed A., Fürth, Mirjam
Hydrokinetic flapping foil turbines in swing-arm mode have gained considerable interest in recent years because of their enhanced capability to extract power, and improved efficiency compared to foils in simple mode. The performance of foil turbines
Externí odkaz:
http://arxiv.org/abs/2302.13492
Autor:
Jilan Adel, Reham E. Hamoda, Ayah Mahmoud Mohamed, Alaa Eldin Balbaa, Neama H. Neamat Allah, Hamada Ahmed Hamada
Publikováno v:
Frontiers in Physiology, Vol 15 (2024)
Background: Patellofemoral osteoarthritis (PF OA) is exceptionally predominant and limiting. However, little is known about the risk factors that contribute to its onset and progression.Purpose: The aim of this study was to decide if women with PF OA
Externí odkaz:
https://doaj.org/article/e4974f96df68458ba7ce18f168a535cb
Publikováno v:
In Applied Thermal Engineering 10 January 2024 236 Part D
Different variants of the method of weighted residual finite element method are used to get a solution for the parabolic heat equation, which is considered to be the model equation for the steady state Navier-Stokes equations. Results show that the C
Externí odkaz:
http://arxiv.org/abs/2005.11860
Publikováno v:
In Energy Reports December 2023 9:6396-6418
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