Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Medhat A. Nemitallah"'
Autor:
Mohamed Hamdy, Medhat A. Nemitallah
Publikováno v:
Case Studies in Thermal Engineering, Vol 60, Iss , Pp 104729- (2024)
A numerical 1D model was developed and validated using the measured data on a porous tube lab experiment for hydrogen generation as an in-situ combustion (ISC) byproduct, and a detailed parametric numerical study was performed. This work explores the
Externí odkaz:
https://doaj.org/article/9cf4337b84714223a970fcbb265ab64b
Autor:
Ahmad Salam Farooqi, Bawadi Abdullah, Bamidele Victor Ayodele, Umair Ishtiaq, Frederic Marias, Medhat A. Nemitallah, Babar Ali
Publikováno v:
Energy Conversion and Management: X, Vol 22, Iss , Pp 100567- (2024)
Bi-reforming of methane (BRM) has gained significant attention due to escalating environmental concerns. This study investigates the performance of a monometallic Ni/MgO-ZrO2 catalyst with varying strontium (Sr) content ranging from 0 to 10 wt% added
Externí odkaz:
https://doaj.org/article/e6263d7bfa6a4ba18321fe34171e9d78
Autor:
Medhat A. Nemitallah, Abdulrahman A. Alnazha, Usama Ahmed, Mohammed El-Adawy, Mohamed A. Habib
Publikováno v:
Results in Engineering, Vol 21, Iss , Pp 101890- (2024)
This review presents a broad exploration of the techno economic evaluation of different technologies utilized in the production of hydrogen from both renewable and non-renewable sources. These encompass methods ranging from extracting hydrogen from f
Externí odkaz:
https://doaj.org/article/8d741ea4547d470096ee06244eddf643
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 17, Iss 1 (2023)
Towards the development of emission-free hydrogen gas turbines with wider operability limits, the combined effects of lean premixed combustion, dual combustion (combustion staging), hydrogen enrichment, and oxy-fuel combustion on the combustion and e
Externí odkaz:
https://doaj.org/article/29bcf55002274332ba7ac1381d753d3d
Autor:
Mohamed A. Habib, Md Azazul Haque, Aadesh Harale, Stephen Paglieri, Firas S. Alrashed, Abduljabar Al-Sayoud, Medhat A. Nemitallah, Shorab Hossain, Ahmed Abuelyamen, Esmail M.A. Mokheimer, Rached Ben-Mansour
Publikováno v:
Case Studies in Thermal Engineering, Vol 49, Iss , Pp 103359- (2023)
Endeavors have recently been concentrated on minimizing the dependency on fossil fuels in order to mitigate the ever-increasing problem of greenhouse gas (GHG) emissions. Hydrogen energy is regarded as an alternative to fossil fuels due to its cleane
Externí odkaz:
https://doaj.org/article/9c119843c1524b298d64c1a8e50f39cf
Autor:
Subrat Garnayak, Amjad Ali Pasha, Radi Alsulami, Medhat A. Nemitallah, Abdul Gani Abdul Jameel, Sukanta K. Dash, V. Mahendra Reddy
Publikováno v:
Propulsion and Power Research, Vol 11, Iss 4, Pp 473-495 (2022)
In this study, a turbulent non-premixed (diffusion) methane-air flame has been investigated computationally to analyze the influences of pressure and gravity on flame structure and sooting characteristics between 1 and 10 atm. The simulation has been
Externí odkaz:
https://doaj.org/article/f2cda427d4a04ed9adc98fa106132d68
Autor:
Medhat A. Nemitallah
Publikováno v:
Case Studies in Thermal Engineering, Vol 45, Iss , Pp 102939- (2023)
This work investigates numerically the characteristics of the two process, hydrogen separation and steam methane reforming (SMR), in a palladium-based (Inconel-supported Pd–Ag film) membrane reactor (MR) of porous reformer (30% Ni/Al2O3) shell and
Externí odkaz:
https://doaj.org/article/871486e9cd404e6fbeb0e99ceaca0fa0
Autor:
Medhat A. Nemitallah, Hussain Aldawood, Ahmed Abdelhafez, Awad Alquaity, Abdul Gani Abdul Jameel, Mansur Aliyu
Publikováno v:
International Journal of Thermofluids, Vol 15, Iss , Pp 100185- (2022)
Dual Annular Counter-Rotating Swirl (DACRS) premixed oxy-methane flames for nine different cases were studied numerically in a Dual-Stage Lean Premixed (DLPM) combustor for gas turbine combustion applications. The combustor consists of two streams, a
Externí odkaz:
https://doaj.org/article/ad69bff3677b4c2a80e75613de518375
Autor:
Mahmoud M. Abdelnaby, Mansur Aliyu, Medhat A. Nemitallah, Ahmed M. Alloush, El-Hassan M. Mahmoud, Khaled M. Ossoss, Mostafa Zeama, Moataz Dowaidar
Publikováno v:
Polymers, Vol 15, Iss 11, p 2475 (2023)
The design of novel porous solid sorbents for carbon dioxide capture is critical in developing carbon capture and storage technology (CCS). We have synthesized a series of nitrogen-rich porous organic polymers (POPs) from crosslinking melamine and py
Externí odkaz:
https://doaj.org/article/639cea6980d841f5a55e5dcfea1258d2
Technoeconomic Feasibility of Hydrogen Production from Waste Tires with the Control of CO2 Emissions
Autor:
Ali A. Al-Qadri, Usama Ahmed, Abdul Gani Abdul Jameel, Umer Zahid, Nabeel Ahmad, Muhammad Shahbaz, Medhat A. Nemitallah
Publikováno v:
ACS Omega. 7:48075-48086