Zobrazeno 1 - 10
of 100
pro vyhledávání: '"Ahmed R"'
Publikováno v:
Alexandria Engineering Journal, Vol 105, Iss , Pp 245-260 (2024)
Economic Dispatch (ED) in Combined Heat and Power Systems (CHPSs) is critical for optimising fuel costs while managing Power-Only (PO), CHP, and Heat-Only (HO) stations. Robust optimisation strategies are necessary to tackle the growing non-convexity
Externí odkaz:
https://doaj.org/article/e012d1e7986d423a9e46de5531f2f26b
Autor:
Ahmed R. S. Essa, Ramy I. A. Eldersy, Mohamed M. Z. Ahmed, Ali Abd El-Aty, Ali Alamry, Bandar Alzahrani, Ahmed E. El-Nikhaily, Mohamed I. A. Habba
Publikováno v:
Materials, Vol 17, Iss 2, p 433 (2024)
This study investigated the effect of a hemispherical friction stir welding (FSW) tool on the heat generation and mechanical properties of dissimilar butt welded AA5083 and AA7075 alloys. FSW was performed on the dissimilar aluminum alloys AA5083-H11
Externí odkaz:
https://doaj.org/article/01547bdf26264eb4bda41b0c80c9b4f4
Autor:
Abdullah M. Shaheen, Abdallah M. Elsayed, Ahmed R. Ginidi, Ragab A. EL-Sehiemy, Mosleh M. Alharthi, Sherif S.M. Ghoneim
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 3, Pp 1834-1851 (2022)
This paper proposes an improved marine predators’ optimization algorithm (IMPOA) for solving the combined heat and power (CHP) economic dispatch problem. This problem provides optimal scheduling of heat and power generation supplies and pursues to
Externí odkaz:
https://doaj.org/article/29026be8ec6642cd82cddbfa5cab7655
Publikováno v:
Materials, Vol 16, Iss 10, p 3777 (2023)
The current study uses three different pin eccentricities (e) and six different welding speeds to investigate the impact of pin eccentricity on friction stir welding (FSW) of AA5754-H24. To simulate and forecast the impact of (e) and welding speed on
Externí odkaz:
https://doaj.org/article/1d195a944bf347f88418eec2c90c2c00
Publikováno v:
Ain Shams Engineering Journal, Vol 12, Iss 2, Pp 1867-1881 (2021)
This study presents a modified Model Predictive Control (MPC) strategy with primary and secondary levels of control, applied to Distributed Generator (DG) units, to account for limiting overcurrent in case of a faulted autonomous AC microgrid operati
Externí odkaz:
https://doaj.org/article/32ba4718217145389c2ac0e843976479
Publikováno v:
Ain Shams Engineering Journal, Vol 13, Iss 4, Pp 101705- (2022)
The extraction of photovoltaic (PV) module parameters is regarded as a critical topic for assessing the performance of PV energy systems. The Supply-Demand-Based Optimization Algorithm (SDOA) is employed in this work to extract the unknown parameters
Externí odkaz:
https://doaj.org/article/3cf019c13dce4fa2939d8381ccc66896
Autor:
Mohamed M. Z. Ahmed, Ahmed R. S. Essa, Sabbah Ataya, Mohamed M. El-Sayed Seleman, Ali Abd El-Aty, Bandar Alzahrani, Kamel Touileb, Ashraf Bakkar, Joffin J. Ponnore, Abdelkarim Y. A. Mohamed
Publikováno v:
Materials, Vol 16, Iss 5, p 2031 (2023)
This study investigates the effect of tool pin eccentricity and welding speed on the grain structure, crystallographic texture, and mechanical properties of friction stir welded (FSWed) AA5754-H24. Three tool pin eccentricities of 0, 0.2, and 0.8 mm
Externí odkaz:
https://doaj.org/article/3f98370b34794f31add59c9c2cd57cb7
Autor:
Fatima Hardan, Ahmed R. J. Almusawi
Publikováno v:
Al-Khawarizmi Engineering Journal, Vol 18, Iss 1 (2022)
The world is currently facing a medical crisis. The epidemic has affected millions of people around the world since its appearance. This situation needs an urgent solution. Most countries have used different solutions to stop the spread of the epidem
Externí odkaz:
https://doaj.org/article/807573598ebc4cbda035752d0b9427e3
Publikováno v:
Applied Sciences, Vol 13, Iss 2, p 783 (2023)
Nowadays, many construction projects in KSA still struggle with cost overruns and delay in activities. Therefore, automatic monitoring approaches are needed in the construction progress monitoring domain (CPM) to address these concerns. Thus, this pa
Externí odkaz:
https://doaj.org/article/aa4585d6579d4917b9463204ab10e486
Autor:
Laith Hassan Auda, Ahmed R. Al-Hamaoy
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 24, Iss 05, Pp 59-65 (2020)
The aim of this paper to study the effect of power on the drilling of soda lima glass (SLG) using under water laser drilling technique. A 1.15 mm thickness SLG sheets were immersed 1mm below the water surface, then irradiated with CW CO2 laser. The l
Externí odkaz:
https://doaj.org/article/959b0fb2472f4f9ca43ca47c8e3de504