Inverted solar stills: A comprehensive review of designs, mathematical models, performance, and modern combinations

AK Hussein, FL Rashid, AM Abed, M Al-Khaleel… - Sustainability, 2022 - mdpi.com
Fresh water is scarce, making it a worldwide issue. In order to address global freshwater
demand, a filtration technique is needed. Solar distillation (SD) that purifies brackish and …

Natural convection within inversed T-shaped enclosure filled by nano-enhanced phase change material: Numerical investigation

A Abderrahmane, M Al-Khaleel, A Mourad, H Laidoudi… - Nanomaterials, 2022 - mdpi.com
Energy saving has always been a topic of great interest. The usage of nano-enhanced
phase change material NePCM is one of the energy-saving methods that has gained …

2D MHD mixed convection in a zigzag trapezoidal thermal energy storage system using NEPCM

A Abderrahmane, O Younis, M Al-Khaleel, H Laidoudi… - Nanomaterials, 2022 - mdpi.com
In a magnetic field, two-dimensional (2D) mixed convection is investigated within a
zigzagged trapezoidal chamber. The lower side of the trapezoidal chamber is irregular, in …

Enhancing the melting process of shell-and-tube PCM thermal energy storage unit using modified tube design

A Abderrahmane, NAA Qasem, A Mourad… - Nanomaterials, 2022 - mdpi.com
Recently, phase change materials (PCMs) have gained great attention from engineers and
researchers due to their exceptional properties for thermal energy storing, which would …

Discrete optimization of Robin transmission conditions for anisotropic diffusion with discrete duality finite volume methods

MJ Gander, L Halpern, F Hubert, S Krell - Vietnam Journal of Mathematics, 2021 - Springer
Abstract Discrete Duality Finite Volume (DDFV) methods are very well suited to discretize
anisotropic diffusion problems, even on meshes with low mesh quality. Their performance …

Fully discrete Schwarz waveform relaxation analysis for the heat equation on a finite spatial domain

RD Haynes, K Mohammad - ESAIM: Mathematical Modelling and …, 2023 - esaim-m2an.org
Schwarz waveform relaxation methods provide space-time parallelism for the solution of
time dependent partial differential equations. The algorithms are differentiated by the choice …

Parameter Optimization in Waveform Relaxation for Fractional-Order Circuits

SL Wu, M Al-Khaleel - … Transactions on Circuits and Systems I …, 2017 - ieeexplore.ieee.org
The longitudinal waveform relaxation (WR) proposed by Gander and Ruehli converges
faster than the classical WR method. For the former, a free parameter α is contained, which …

Discrete analysis of Schwarz waveform relaxation for a diffusion reaction problem with discontinuous coefficients

S Clement, F Lemarié, E Blayo - The SMAI Journal of computational …, 2022 - numdam.org
In this paper, we investigate the effect of the space and time discretisation on the
convergence properties of Schwarz Waveform Relaxation (SWR) algorithms. We consider a …

A mathematical analysis of discrete waveform relaxation algorithms for transmission line type circuits

M Al-Khaleel, SL Wu - 2021 IEEE Asia-Pacific Conference on …, 2021 - ieeexplore.ieee.org
Convergence rate is greatly improved by using the new waveform relaxation (WR) methods,
known as optimized waveform relaxation (OWR) algorithms, over the classical ones due to …

Mental Health Monitoring and Detection Based on Machine Learning and IoT Data

B Mohsen, O Al-Khaleel, A Alfadhly - International Journal of …, 2024 - World Scientific
Recently, the Internet of Things (IoT) has become a buzzword in various technology fields
because of its many applications. Healthcare is one of the most important fields in daily life …