Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Ashraf M. Hamed"'
Publikováno v:
Combustion Science and Technology. 194:1994-2024
An investigation was performed to increase the heat transfer rates from methane flames while simultaneously minimizing the soot and NOx emissions at extensive firing rates. The partially premixed f...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7aeb783c3b7dd431af7e8fbd97fd72bb
https://doi.org/10.1080/00102202.2020.1854746
https://doi.org/10.1080/00102202.2020.1854746
Publikováno v:
Journal of Heat Transfer. 144
This work presents a 2D numerical simulation of the nonpremixed combustion of natural gas in an axisymmetric cylindrical chamber, focusing on the effect of adding acoustical excitation to inlet fuel velocity on temperature, exhaust pollutants, and co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c801383a4c11b64ff57fda4b3ff72380
https://doi.org/10.1115/1.4053939
https://doi.org/10.1115/1.4053939
Publikováno v:
International Journal of Scientific Research and Management. 8:352-368
This study investigates the aerodynamic performance of wind turbines aiming to maximize the power extracted from the wind. The study is focusing on the effect of introducing a second rotor to the main rotor of the wind turbine in what is called a dua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::757ec1f821ed14c89190902df952ac99
https://doi.org/10.18535/ijsrm/v8i03.ec02
https://doi.org/10.18535/ijsrm/v8i03.ec02
Autor:
Mabrouk Akle, Mohamed Abdalrazek, Ahmad Helal, Sherif M. Shehata, Ashraf M. Hamed, Rafik Shalaby, Hatem El-Sherbiny, Hisham Wefky Anwar, Mohamad Abdelaziz, Ahmad Saied
Publikováno v:
Journal of Pediatric Endoscopic Surgery. 2:153-161
The glove single-port laparoscopic appendectomy is a novel single incision laparoscopic technique (SILT) which is extremely cheaper than the other commercial devices. This study aimed to compare conventional laparoscopic appendectomy (CLA) and glove
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de8d578936134e18d05a390a7a004f18
https://doi.org/10.1007/s42804-019-00038-5
https://doi.org/10.1007/s42804-019-00038-5
Publikováno v:
European Journal of Computational Mechanics.
This study uses Ansys 16 commercial package to investigate an accurate numerical model that can trace the flame shape from inverse diffusion combustion of LPG with a focus on the effect of air pulsation on the combustion characteristics. The simulati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e27f206520dbbb7ce85db92feb94eedf
https://doi.org/10.13052/ejcm2642-2085.30232
https://doi.org/10.13052/ejcm2642-2085.30232
Publikováno v:
Egyptian Academic Journal of Biological Sciences, B. Zoology. 11:97-105
The experiment was conducted at the Fish Hatchery - Department of Fisheries and Wildlife Science, College of Animal Production Science and Technology, Sudan University of Science and Technology during the period 15/07-02/09/2018 to determine the effe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77f540dcb4859f9fcbe4680d1acb4d66
https://doi.org/10.21608/eajbsz.2019.61513
https://doi.org/10.21608/eajbsz.2019.61513
Publikováno v:
Combustion Science and Technology. 193:23-39
Concentric fuel-rich and fuel-lean mixtures of methane and air were fed in the form of multiple pairs of circumferentially oriented opposing jets that are normal to an air cross flow inside a cylin...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45f7fe021431101727a6ef74f17b3a8a
https://doi.org/10.1080/00102202.2019.1649665
https://doi.org/10.1080/00102202.2019.1649665
Publikováno v:
Journal of Al-Azhar University Engineering Sector. 14:891-902
Automotive pumps have two forms either hydraulic or centrifugal one. Hydraulic pumps areusually positive displacement pumps. In the automotive industry, vane pumps have wide rangeof applications including fuel pumping, power steering system and autom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87b4163290d79c1d34ee116e728bb889
https://doi.org/10.21608/auej.2019.43482
https://doi.org/10.21608/auej.2019.43482
Autor:
Khaled Youssef, Tamer A. Mohamed, Ahmed M. El baz, Ahmed M El Kholy, Ashraf M. Hamed, Nabil A. Mahmoud
Publikováno v:
Wind Engineering. 44:93-112
This work presents an innovative technique to enhance the performance of the Savonius wind turbine. The new technique is based on introducing an upstream deflector and downstream baffle. The shape and location of both devices are optimized using a ge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e6b8b4ba6484b5b5d2a6e9dc596aa7b
https://doi.org/10.1177/0309524x19849860
https://doi.org/10.1177/0309524x19849860
Autor:
Omar Alsamahy, Adham Elsaied, Rafik Shalaby, Y Ashour, Mohamed H. Shahin, Ibrahim Mahmoud Elsayaad, Sh Shehata, Sameh Shehata, Ashraf M. Hamed
Publikováno v:
Hernia. 23:1279-1289
Congenital inguinal hernia (CIH) is a commonly performed surgical procedure in infants and children. Single port laparoscopic hernia repair using percutaneous internal inguinal ring (IIR) suturing procedure is a widely employed technique for indirect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96d2797c73ed4e955d78e6a2b7827055
https://doi.org/10.1007/s10029-019-01982-0
https://doi.org/10.1007/s10029-019-01982-0