Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Mathkar A. Alharthi"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 55, Iss , Pp 104153- (2024)
The main goal of this study is to look at how the development and investigation of on-site production and end-use of green hydrogen as a blended fuel in wet-ethanol operated homogeneous charge compression ignition (HCCI) engine bottoming with ORC and
Externí odkaz:
https://doaj.org/article/b9b9d5bdf18d44b1981cfd2298298134
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 289-309 (2023)
This investigation analyzed a newly developed combined energy system consisting of a solar collector employing CO2 as the heat transfer medium, thermodynamic cycle for power (TCP), and a single-double-effect absorption chiller. Proposed system simult
Externí odkaz:
https://doaj.org/article/0ee7ba5b8c2241de8b266dd2ea31da47
Autor:
Mathkar A. Alharthi, Bandar Awadh Almohammadi, M.A. Sharafeldin, Mohamed T. Abdelghany, Samir Bendoukha, H.A. Refaey
Publikováno v:
Case Studies in Thermal Engineering, Vol 54, Iss , Pp 104043- (2024)
A novel model of an artificial neural network (ANN) is proposed in order to predict the thermal performance of Al2O3/water nanofluid in conically coiled tubes (CCTs). Experiments were conducted at volume concentrations of 0.3 %, 0.6 %, and 0.9 % of A
Externí odkaz:
https://doaj.org/article/a1135019fef64ad193073495523fb917
Autor:
H.A. Refaey, Mathkar A. Alharthi, Samir Bendoukha, Said Ghani Khan, Mohamed Emam, M.A. Abdelrahman
Publikováno v:
Case Studies in Thermal Engineering, Vol 51, Iss , Pp 103626- (2023)
The current study evaluates the energy, exergy, and environmental performance of concentrated triple junction photovoltaic (CPV TJ) cells at various concentration ratios with solar incident irradiance (CRs) ranging from 56 to 550 suns in Saudi Arabia
Externí odkaz:
https://doaj.org/article/d26ded85cad747e2a5d687e9b99e696d
Autor:
H.A. Refaey, M.A. Abdelrahman, Mathkar A. Alharthi, Samir Bendoukha, Said Ghani Khan, Mohamed Emam
Publikováno v:
Case Studies in Thermal Engineering, Vol 40, Iss , Pp 102521- (2022)
Herein, an experimental setup in Saudi Arabia's hot weather conditions is used to assess the electrical and thermal performance of concentrator photovoltaic triple junction (CPV TJ) cells fed through various Fresnel lenses with concentration ratios (
Externí odkaz:
https://doaj.org/article/6ba1d5f8b43343a1a8d40d431fbb7f86
Publikováno v:
Case Studies in Thermal Engineering, Vol 36, Iss , Pp 102198- (2022)
In this paper, the entropy generation (ENT) in two novel micro heatsinks (MHSs) is investigated numerically. The HSs are two types of octagonal ones with circular and rectangular fins. Water/alumina boehmite nanofluid (NF) is used as a cooling fluid
Externí odkaz:
https://doaj.org/article/55de0a008c8a4ea3b31667239a1bb44e
Autor:
Hassanein A. Refaey, Mathkar A. Alharthi, Ali A. Abdel-Aziz, Hassan F. Elattar, Bandar Awadh Almohammadi, Hany E. Abdelrahman, Mohamed A. Karali, El-Awady Attia, Mamdouh W. Al-Dosoky
Publikováno v:
Buildings, Vol 13, Iss 3, p 733 (2023)
The higher the process efficiency, the lower the fuel consumption, and the less impact carbon emissions have on the environment. The flow characteristics around brick settings are an important field of investigation to acquire control over the energy
Externí odkaz:
https://doaj.org/article/70f1b5879d984109932a518dec0a05ab
Publikováno v:
Case Studies in Thermal Engineering, Vol 33, Iss , Pp 101922- (2022)
This paper intentions to study the effect of using different tapered longitudinal section manifolds rather than the uniform one, in a Z shaped flat plate solar collector on; the uniformity of flow distribution, pressure drop, and consequently tempera
Externí odkaz:
https://doaj.org/article/f96d82816c76448b9bd617dd3e7e6d62
Autor:
Saeed Alqaed, Ali Fouda, Hassan F. Elattar, Jawed Mustafa, Fahad Awjah Almehmadi, Hassanein A. Refaey, Mathkar A. Alharthi
Publikováno v:
Energies, Vol 15, Iss 22, p 8750 (2022)
Poly-generation systems are a feasible alternative to conventional energy production techniques in buildings. A poly-generation system allows for the concurrent production of electricity, heat, cold, and fresh water, with considerable advantages rega
Externí odkaz:
https://doaj.org/article/2550a14de77447d7bce97a6c8a3fb388
Autor:
Fahad Awjah Almehmadi, Hassan Fawzy Elattar, Ali Fouda, Saeed Alqaed, Mathkar A. Alharthi, Hassanein Abdelmohsen Refaey
Publikováno v:
Applied Sciences, Vol 12, Iss 21, p 11157 (2022)
In buildings, multi-generation systems are a promising technology that can replace discrete traditional energy production methods. A multi-generation system makes it possible to efficiently produce electricity, cooling, heating, and freshwater simult
Externí odkaz:
https://doaj.org/article/8a9e384a31a24008b27c34eedae5ae4d