Buscar recursos académicos

Abstract Photovoltaic (PV) systems have become one of the most important solutions to sustainable energy production due to the growing demand of renewable energy and the necessity to harness energy in the most efficient ...

This work presents, for the frst time, the development of magnetic composites using activated biochar (BC-Act) derived from yerba mate waste. It includes an analysis of the effect of the activation process on the formati...

Energy consumption and the utilization of sustainable energy sources are of great importance for the economic independence and environmental stability of nations. Turkey, as a country heavily dependent on energy imports,...

PLA coating on Kraft paper is very promising systems for food packaging, and has potential environmental advantages over conventional synthetic paper coatings. This work was focused on: (i) analyzing the physicochemical,...

ABSTRACT Background Halfway through the final decade of actions towards the 2030 Sustainable Development Goals (SDGs), progress toward SDG7 is off track. It is estimated that by 2030, 660 million people, mainly rural pop...

In recent years, ESG criteria and sustainability principles have expanded beyond the private sector to increasingly influence public finance legislation. International frameworks such as the UN 2030 Agenda, the Paris Agr...

The integration of renewable energy sources into modern power systems is a global priority aimed at reducing carbon emissions, decreasing fossil fuel dependency, and advancing sustainable development goals. In this conte...

Abstract The conversion of solar radiation into thermal energy has gained increasing attention due to the growing demand for renewable sources of heat and electricity. Nanofluids, owing to their enhanced heat transfer ca...

Access to reliable and sustainable power generation in remote areas is a critical challenge faced by many regions worldwide. In such areas, hybrid energy systems integrating solar, wind, and battery components have emerg...

The main objectives of this study are to enhance the power extraction of photovoltaic (PV) systems under rapidly changing ecological circumstances using Maximum Power Point Tracking (MPPT) and to improve the power qualit...

The growth of variable renewable energy sources has increased the occurrence of curtailment in power systems, particularly in regions affected by transmission constraints and limited operational flexibility. Reliable for...

Introduction. Metaheuristic algorithms are effective for solving complex power system optimization problems characterized by nonlinearity, multimodality, and high dimensionality. Nature-inspired strategies based on adapt...

Nearly Zero Energy Buildings (NZEBs) are pivotal in addressing the escalating energy and environmental challenges of hot climates, where extreme cooling demands and reliance on fossil fuels intensify carbon footprints. T...

Source-grid-load-storage coordinated operation control is an operation mode and technology that can maximize the utilization of energy resources, and can economically, efficiently and securely improve the power dynamic b...

With ever increasing concern on energy diversification, energy efficiency and environmental protection, electric vehicles (EVs) including the pure EV (PEV), hybrid EV (HEV) and fuel-cell EV (FEV) are becoming attractive ...

This comprehensive review examines the synergistic integration of climate mitigation strategies and circular economy (CE) principles as a pathway toward achieving global carbon neutrality. While traditional mitigation me...

The article examines current approaches to optimizing the operating modes of distributed technical systems based on automation and intelligent control technologies, using the example of 10 kV electric networks. The analy...

The efficiency and longevity of photovoltaic (PV) systems are fundamentally constrained by excessive operating temperatures, which reduce electrical output and accelerate material degradation. To address this issue, this...

Abstract This study investigates the structural determinants of agricultural sustainability by analyzing the long-run effects of institutional quality, oil consumption, information and communication technology (ICT), agr...

The main objectives of the study are to develop a generalized thermo-electromechanical model of a solid-state heat engine based on a Ni-Ti-Cu shape memory alloy for converting low-grade thermal energy (30-100 °C) into e...

Introduction. Three-phase pulse width modulation (PWM) rectifiers are widely used in modern power conversion systems due to their high efficiency, controllability, and ability to provide high-quality energy conversion. T...

The success of energy transitions in coal-dependent economies, such as South Africa, is critical not only for reducing greenhouse gas emissions but also for achieving Sustainable Development Goal 7 (SDG 7) on affordable ...

Abstract Alkaline water electrolysis represents a promising pathway for green hydrogen production, yet comprehensive multi-physics simulation remains computationally prohibitive for practical design optimization. This st...

"The transition to renewable energy sources is reshaping energy systems globally. Germany is a leading example of this shift, having significantly increased its renewable energies (RE) generation in recent years, particu...