Zobrazeno 1 - 10
of 189
pro vyhledávání: '"Sameh E. Ahmed"'
Publikováno v:
Alexandria Engineering Journal, Vol 103, Iss , Pp 402-412 (2024)
Flow around a solid sphere finds utility in numerous single- and two-phase engineering applications, such as sport balls, combustion systems, silt conveyance in waterways, hydraulic conveying, pneumatic equipment, food and chemical manufacturing. The
Externí odkaz:
https://doaj.org/article/96f31891ca624bea96051b4da8a870fb
Publikováno v:
Alexandria Engineering Journal, Vol 108, Iss , Pp 676-693 (2024)
This study addresses the critical need for optimizing heat transfer and fluid flow in porous ring structures, which are essential for various thermal management applications. The aim is to investigate how different parameters such as obstacle length(
Externí odkaz:
https://doaj.org/article/c0fd8506a82b4bc38d300cbe6f474337
Publikováno v:
Case Studies in Thermal Engineering, Vol 63, Iss , Pp 105364- (2024)
Recently, investigators focused on examining the melting of phase change materials (PCM) in regular two-dimensional or three-dimensional flow domains. At the same time, this topic still needs more study to get a better understanding of it. Also, such
Externí odkaz:
https://doaj.org/article/e5c784c02cc3474fb27f5253e4f66101
Autor:
Zahra S. Hafed, S.M. Abo-Dahab, A.M. Abd-Alla, Sameh E. Ahmed, M. Daher Albalwi, Mohammed A. Aiyashi
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 6, Pp 102745- (2024)
This research delves into the propagation of radial free harmonic waves in a poroelastic cylinder, conceptualized as a magnetically and rotationaly influenced hollow structure. The primary aim is to elucidate the magnetic field's and rotation impact
Externí odkaz:
https://doaj.org/article/74c6e3b2f121473fa615b94111e78ec9
Autor:
Sameh E. Ahmed, Mohammed Z. Alqarni
Publikováno v:
Alexandria Engineering Journal, Vol 86, Iss , Pp 537-546 (2024)
Examining the behaviors of power-law nanofluid flow and the rate of heat transfer over different surfaces has received great attention due to its numerous industrial applications, such as polymer solutions, molten plastics, pulps, and foods. Also, th
Externí odkaz:
https://doaj.org/article/1fee35016bf24e0091222a931048a568
Autor:
Zahra S. Hafed, S.M. Abo-Dahab, A.M. Abd-Alla, Sameh E. Ahmed, Adnan Jahangir, Mohamed A. Aiyashi
Publikováno v:
Alexandria Engineering Journal, Vol 84, Iss , Pp 1-10 (2023)
The purpose of the current study is to establish a novel mathematical model in the wave propagation in fibre-reinforced viscothermoelastic media of higher order. The governing equations of a fibre-reinforced viscothermoelastic media of higher order a
Externí odkaz:
https://doaj.org/article/6cd2f5a3244d4615abd991330a58814c
Publikováno v:
Case Studies in Thermal Engineering, Vol 55, Iss , Pp 104154- (2024)
In this article, the impacts of the Hall current on the 3D forced convection and heat transfer due to the rotation of a disk are examined. The disk's surface is considered to be rigid or stretched and the non-Newtonian viscoelastic nanofluids are ass
Externí odkaz:
https://doaj.org/article/ada5769867f54498aa6c358304a724e6
Publikováno v:
Case Studies in Thermal Engineering, Vol 55, Iss , Pp 104110- (2024)
The current article investigates the convective transport of a micropolar nanofluid (CuO–H2O) due to a sharp protruding isothermal heater within a trapezoidal enclosure full of porous elements utilizing a local thermal non-equilibrium state (LTNEM)
Externí odkaz:
https://doaj.org/article/ec204524ea0a437183695f54a8fec13a
Publikováno v:
Alexandria Engineering Journal, Vol 76, Iss , Pp 307-321 (2023)
Using substances of high latent heat such as phase change materials is a perfect technique in the energy storage units. Additionally, examining the heat transport and melting process for these materials is beneficial for a wide variety of solar-relat
Externí odkaz:
https://doaj.org/article/eb247403912f430cb1cf79f0decd4872
Publikováno v:
Case Studies in Thermal Engineering, Vol 53, Iss , Pp 103874- (2024)
In this paper, the coupled flow of the pseudo-plastic, dilatant/Newtonian nanofluids along truncated cones is treated using a set of non-similar solutions. The dynamic viscosity is assuming to be a variable and depending on flow region temperature. T
Externí odkaz:
https://doaj.org/article/17bfc1a03dff4695938ccf21162366c7