Recent progress in environmentally friendly geopolymers: A review

N Shehata, ET Sayed, MA Abdelkareem - Science of The Total …, 2021 - Elsevier
The manufacturing of cement demand burning of huge quantities of fuel as well as
significant emissions of CO 2 resulting from the decomposition of limestone that …

[HTML][HTML] Temperature distribution modeling of PV and cooling water PV/T collectors through thin and thick cooling cross-fined channel box

MR Gomaa, M Ahmed, H Rezk - Energy Reports, 2022 - Elsevier
Many aspects relating to thermal, economic, and reliability challenges are involved while
designing a Photovoltaic/Thermal (PV/T) system under high performance. When compared …

Performance enhancement of grid-tied PV system through proposed design cooling techniques: An experimental study and comparative analysis

MR Gomaa, W Hammad, M Al-Dhaifallah, H Rezk - Solar Energy, 2020 - Elsevier
In this paper, two different cost-effective cooling techniques with new designs are proposed
and experimentally evaluated to enhance the performance of solar PV system. The first …

The Use of Solar Thermal Heating in SPIRE and Non-SPIRE Industrial Processes

H Tannous, V Stojceska, SA Tassou - Sustainability, 2023 - mdpi.com
This paper investigates the use of solar thermal energy systems in SPIRE (sustainable
process industry through resource and energy efficiency) and non-SPIRE industries and …

[HTML][HTML] A low-grade heat Organic Rankine Cycle driven by hybrid solar collectors and a waste heat recovery system

MR Gomaa, RJ Mustafa, M Al-Dhaifallah, H Rezk - Energy Reports, 2020 - Elsevier
Against the backdrop of the ever growing scientific and public interest in locating alternative
sources of clean energy, geared toward the overarching objective of mitigating the harmful …

Evaluating the environmental impacts and energy performance of a wind farm system utilizing the life-cycle assessment method: A practical case study

MR Gomaa, H Rezk, RJ Mustafa, M Al-Dhaifallah - Energies, 2019 - mdpi.com
The ever-increasing popularity of finding alternative forms of renewable energy has seen an
increased interest and utilization of wind energy. The objective of this research therefore, is …

Design, modeling, and experimental investigation of active water cooling concentrating photovoltaic system

MR Gomaa, M Al-Dhaifallah, A Alahmer, H Rezk - Sustainability, 2020 - mdpi.com
This work presents performance study of a concentrating photovoltaic/thermal (CPV/T)
collector and its efficiency to produce electric and thermal power under different operating …

Theoretical model of a fluidized bed solar reactor design with the aid of MCRT method and synthesis gas production

MR Gomaa, N Al-Dmour, HA AL-Rawashdeh… - Renewable Energy, 2020 - Elsevier
Energy is one of the most critical inputs for the development and economic growth. The
objective of this study is to investigate the possibilities of fulfilling such global market …

Investigation on the lighting/heating performance of tubular daylighting devices (TDDs) based on nanofluids

X Liu, C Shen, J Wang - Energy and Buildings, 2022 - Elsevier
Lighting is necessary for all kinds of buildings and consumes a large amount of electricity.
Tubular daylighting devices (TDDs) can serve as an alternative, but they may also have …

Thermal Performance and Efficiency Enhancement in Evacuated Tube Solar Collectors Using Various Nanofluids

MR Gomaa, NH Alhabahbh, MA Al-Nawafleh - Journal of Renewable Energy …, 2023 - jree.ir
This research reviews various studies on the effect of using nanofluids in evacuated tube
solar collectors (ETSC). The initial segment of this study elaborates on the importance of …