Renewable electricity penetration and retail price dynamics: Global evidence on transitional costs of the energy transition
March 2027
The global expansion of renewable energy represents a structural transformation with profound macroeconomic and financial implications. This study investigates the impact of renewable electricity penetration...
Geochemical characteristics and constraints on organic matter enrichment of Paleocene shales in a typical oil-rich lacustrine rift sag, Bohai Bay basin
March 2027
Unraveling the mechanisms of organic matter (OM) enrichment in lacustrine rift basins is critical for optimizing shale oil exploration in continental sedimentary systems. However, these mechanisms remain...
Hybrid TiO2–Fe3O4 nanofluid and hinged bending turbulators for high-efficiency PVT flat-plate collectors: Experimental assessment of heat transfer, energy, and exergy performance
March 2027
This study presents a combined enhancement approach to improve the thermal and electrical performance of a photovoltaic–thermal collector by utilizing a 50% TiO2–50% Fe3O4 hybrid nanofluid at 0.5% concentration...
Comfort-aware design of photovoltaic-based multi-generation energy systems for hotel facilities
March 2027
A photovoltaic (PV)-based multi-generation system applied to a hotel building is considered, and a comfort-aware design and assessment framework is proposed, in which occupant thermal and visual comfort...
Numerical investigation of the melting and solidification of a novel dual-air PCM unit for power saving in air conditioning systems
March 2027
A novel dual-air phase change material (PCM) unit is introduced to enhance the thermal performance of air-conditioning (AC) systems and minimize cooling coil power consumption. The numerical model is...
Multi-horizon solar irradiance forecasting under variable sky conditions through CNN–TCN feature learning and XGBoost
March 2027
Multi-horizon solar irradiance nowcasting is highly sensitive to rapidly varying atmospheric conditions. Traditional statistical models such as persistence and autoregressive integrated moving average...
QLRUN: Integrating Q-learning and covariance matrix learning into Runge–Kutta optimization for engineering design problems
March 2027
This paper proposes a hybrid metaheuristic Q-learning Runge–Kutta Optimization (QLRUN) for solving complex, high-dimensional, rotated, and constrained engineering optimization problems. The proposed...
Flexible scheduling of renewable energy systems with building thermal inertia using Chaotic Harris Hawks optimization
March 2027
The increasing integration of renewable energy sources such as solar, wind, and biomass into smart grids poses significant challenges for system stability, due to their inherent variability and uncertainty....
Bubble evolution and stability of foamy bitumen in the puff stage of CO2 huff-n-puff process: An image-based analysis
March 2027
The CO2 huff-n-puff process offers dual benefits by enhancing bitumen recovery while contributing to carbon capture, utilization, and storage. This study investigates the evolution and stability of...
Techno-economic analysis of biogas production: a literature review and bibliometric analysis
March 2027
The accelerating global energy transition and the development of the circular economy have established biogas as a key renewable energy source that can reduce greenhouse gas emissions, improve waste...
Enhanced Hunter–Prey optimization for dynamic DSTATCOM-based reactive power management in EV–PV–ESS integrated distribution networks
January 2027
Reactive Power Management is a well-implemented measure to mitigate power system imbalances caused by high penetrations of Electric Vehicles (EVs) and Photovoltaic (PV) systems. This article highlights...
Organic-inorganic composite phase change gels for cold chain preservation of fruits and vegetables
January 2027
In recent years, phase change materials have attracted increasing attention for cold chain logistics. However, many conventional organic or inorganic phase change materials suffer from critical limitations...
Recent advances in integrating geothermal energy into building HVAC systems: Focus on energy pile applications
January 2027
Geothermal energy has become a viable renewable resource in the global drive for carbon neutrality and increased energy efficiency, especially in energy-intensive industries like Heating, Ventilating,...
Experimental investigation of PCM–geothermal integrated roof cooling systems for enhanced thermal performance
January 2027
In Iraq, solar radiation on building roofs can exceed 1100 W/m2, affecting indoor thermal comfort. This study aims to reduce the heat gain in buildings in hot climates. Thus, it introduces an experimental...
A new approach to hybrid renewable energy: Boosting economic and environmental efficiency with smart management in arid and desert environments
January 2027
This paper presents the development and optimization of a hybrid energy system integrating solar and wind power with diesel generators as a backup, specifically tailored for arid, semi-arid, and desert...
Cumulative effect of environmental policy stringency on energy transition: A disaggregated analysis
January 2027
This study aims to assess the cumulative effect of environmental policy stringency on the EU's energy transition up to ten years, controlling for geopolitical risk and a set of climatic and socioeconomic...
System-level assessment of residential rooftop solar PV for urban decarbonisation in Azerbaijan
January 2027
Residential rooftop solar photovoltaic systems play an important role in urban energy transitions by enabling decentralized electricity generation and supporting climate mitigation objectives. However,...
Employing novel machine learning to achieve precise Klinkenberg slippage factor predictions in gas reservoir characterization
January 2027
Accurate prediction of the Klinkenberg slippage factor (KSF) is crucial for characterizing low permeability gas reservoirs, but conventional laboratory determination methods are prohibitively costly...
Quantifying economic viability and carbon mitigation potential of carbon-dioxide sequestration in shale reservoirs using machine learning
January 2027
The increasing concentration of atmospheric CO2 since the Industrial Revolution has driven research into subsurface storage as a viable solution. This study focuses on developing machine learning models...
A comprehensive review and mathematical modelling of corrugated-absorber solar stills: Configurations, performance, and cost-effectiveness
January 2027
Traditional solar stills have low evaporation rates and low thermal efficiency which limits their practical applicability in decentralized production of freshwater. Corrugated absorber designs have...
Robust Quasi-integral sliding mode control combined with an advanced neural network algorithm for PMSG-based wind energy conversion systems in noisy environment
January 2027
With the global increase of wind energy integration into modern electrical power systems worldwide, Wind Energy Conversion Systems (WECS) are nowadays increasingly expected to contribute actively to...
Nanoparticle-assisted enzymatic pretreatment enhances biomethane recovery and techno-economic viability of rice straw co-digestion
January 2027
Rice straw (RS) residues pose a significant waste management challenge due to the predominance of open-field burning. Anaerobic digestion (AD) offers a valorization pathway, yet RS's recalcitrant lignocellulosic...
Optimization and comparative assessment of battery and pumped hydro storage in hybrid PV/wind systems for coastal off-grid electrification in Egypt
January 2027
The growing need for sustainable electrification of remote off-grid communities has increased interest in hybrid renewable energy systems that integrate multiple generation sources with energy storage...
Thermo-electrical performance modeling and experimental validation of a water-cooled single-axis tracking photovoltaic–thermal system
January 2027
Fixed photovoltaic systems suffer from reduced irradiance capture and temperature-induced efficiency losses. This study presents the design, experimental evaluation, and numerical modeling of a water-cooled...
Preparation and microscale sealing mechanism of HHN epoxy rigid plugging material for high-temperature/high-pressure fracture-loss control
January 2027
During the drilling of deep and ultra-deep oil and gas wells, fracture leakage under high temperature and high pressure conditions often involves large flow channels and low sealing reliability. Conventional...
