Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Gamal Hafez"'
Autor:
Mohamed Mohamed Elsakka, Derek B. Ingham, Lin Ma, Mohamed Pourkashanian, Gamal Hafez Moustafa, Yasser Elhenawy
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 10868-10880 (2022)
The Vertical Axis Wind Turbines (VAWTs) have an increasing global market and this emphasis the need for to improve the performance of VAWTs, especially at relatively low wind speed. This paper utilises the Response Surface methodology to optimise the
Externí odkaz:
https://doaj.org/article/a5ce10899d67467b87bb74fa9a377fbd
Autor:
Gamal Hafez
Publikováno v:
Yanbu Journal of Engineering and Science, Vol 20, Iss 1 (2023)
The modified moon sighting model is developed from the basic moon sighting model by adopting more phases. The preference of the new model is proved by its ability to predict extra three moon phases, first quarter, last quarter and dark moon. The modi
Externí odkaz:
https://doaj.org/article/22323abc673e49f58db002b44f481ec3
Autor:
Gamal Hafez
Publikováno v:
Yanbu Journal of Engineering and Science, Vol 19, Iss 2 (2022)
An empirical model is developed to precisely identify the new crescent visibility of each Hijri month. The model is based on the actual real measurements of the moon motion. The model used the sinusoidal behaviour to model the relative motion of the
Externí odkaz:
https://doaj.org/article/b5b7155ebaeb4a689e37ab7b2151a84d
Autor:
Gamal Hafez
Publikováno v:
Yanbu Journal of Engineering and Science, Vol 1, Iss 1 (2010)
An interpolation procedure for unsteady inviscid flow (i.e. Euler) solvers is developed. The proposed linear interpolation is first order accurate in time (Δt). The flow properties at each non-mesh point are interpolated in a physical manner as a su
Externí odkaz:
https://doaj.org/article/4c71612790734b1aafb80a4045761c67
Akademický článek
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Autor:
Elsakka, Mohamed Mohamed, Ingham, Derek B., Ma, Lin, Pourkashanian, Mohamed, Moustafa, Gamal Hafez, Elhenawy, Yasser
Publikováno v:
In Energy Reports November 2022 8:10868-10880
Autor:
Antoine Fakhry AbdelMassih, Aisha Said AbdelAzeam, Aya Ayad, Aya Yasser Kamel, Ayah Khalil, Basma Kotb, Dina Waheed, Esraa Menshawey, Fady Sefein, Farah Taha, Habiba-Allah Ismail, Ibrahim Osman, John Iskander, Lama El Wakil, Lara Rashad, Mariem Badr Arsanyous, Meryam El Shershaby, Mina Mansour, Mirette Ashraf, Nada Hafez, Nadeen Mohamed Abuzeid, Noheir Mahmoud-Nashaat AbdElSalam, Nouran Gamal Hafez, Nourhan Youssef, Rafeef Hozaien, Rana Saeed, Dina Kamel, Manal Ahmed AbdelHameed, Salma Ali
Publikováno v:
Egyptian Pediatric Association Gazette, Vol 68, Iss 1, Pp 1-7 (2020)
Abstract Background Coronavirus disease 2019 (COVID-19) emerged as a small outbreak in Wuhan rapidly progressing into the deadliest pandemic since the Spanish flu of 1918. The disease was deemed trivial in children, until the reporting, few days ago,
Externí odkaz:
https://doaj.org/article/cd34f067de984c4ebbcdaa4f7cc4ec6c
Publikováno v:
Suez Canal University Medical Journal. 26:47-54
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa0e70f0b88f63544d765f1adfe98c1e
https://doi.org/10.21608/scumj.2023.284001
https://doi.org/10.21608/scumj.2023.284001
Publikováno v:
Journal of Engineering, Design and Technology. 17:1174-1191
Purpose This paper aims to develop a framework based on corporate social responsibility (CSR) as a novel approach for marketing architectural design firms (ADFs) in developing countries. Design/methodology/approach To achieve this aim, a research str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d79e6be6e2ec7d9aff9c452c2b16f062
https://doi.org/10.1108/jedt-11-2018-0202
https://doi.org/10.1108/jedt-11-2018-0202