Energy Efficiency - Science topic

Se presenta la evolución de un módulo de medición de ruido urbano hacia un nodo sensor de datos ambientales avanzado y versátil, enmarcado en el paradigma del Internet de las Cosas (IoT) y las Redes de Sensores Inalámbricas (WSNs). Objetivo: Desarrollar un dispositivo compacto y eficiente capaz de recopilar diversos indicadores ambientales y trans...

Currently, energy and sustainability are two of the major concerns of mankind. Given the actual relevant energy consumption share of the building sector, innovative design solutions and optimal thermal performance of buildings are important for reducing energy bills and greenhouse gas emissions, while maintaining comfort of occupants. Additionally,...

This Topical Collection is dedicated to the analysis of recent advances on: (1) thermal performance of building’s elements (e.g. walls, floors, roofs, windows, doors, etc.); (2) energy efficiency in buildings; (3) sustainable construction. All types of research approaches are welcomed.

universThe Special Issue will include the following topics: Thermal behaviour improvement of a building's components (e.g., walls, floors, roofs, windows, doors, etc.); Thermal bridges assessment and mitigation; Energy efficiency in buildings; Thermal inertia increase techniques (e.g., use of PCMs - phase change materials); Building location and cl...

Our paper examines the strategies for achieving economic recovery from the adverse effects of COVID-19 and outlines a pathway for sustainable economic development in Brazil, one of the emerging economies that suffered economic setbacks due to the pandemic. In the post-COVID-19 era, countries worldwide are actively formulating strategies to recover...

ABSTRACT Nowadays most of the developed and even under developing countries have paid much attention to maintain and nurture the ecology by adopting suitable mechanism because of the land degradation and other issues arising out of the heavy inflow of tourists. There is a growing concern about the non-usage of the green items in hospitality sectors...

There is significant wasteful use of clean water for operating equipment during field and laboratory practice. Additionally, damage to laboratory equipment has been reported due to the use of untreated water. These issues, along with previous research on managing air conditioner (AC) wastewater at the Lampung State Polytechnic, form the basis for o...

This study examines the integration of biophilic design in green buildings and its effects on energy efficiency. As the demand for sustainable architecture rises, biophilic design emerges as a vital strategy that not only enhances occupant well-being but also optimizes energy performance. This research explores the core principles of biophilic desi...

This study explores the adaptive reuse of existing buildings as a sustainable strategy for enhancing energy efficiency in the built environment. As urbanization accelerates and environmental concerns mount, adaptive reuse presents a viable solution that minimizes waste, preserves embodied energy, and reduces the need for new construction materials....

This research aims to assess the integration of different fuel cell (FC) options with battery and waste heat recovery systems through a mathematical modelling process to determine the most feasible retrofit solutions for a marine electricity generation plant. This paper distinguishes itself from existing literature by incorporating future cost proj...

As businesses increasingly adopt serverless computing, energy efficiency and sustainability have become essential considerations in architectural decisions. This paper evaluates the energy consumption of serverless architectures compared to traditional cloud and on-premises systems. By examining resource utilization, scaling strategies, and real-wo...

Different methods are used for the heat energy desired to be obtained from large-scale furnaces used in industry. Our study includes the analysis of petroleum coke and natural gas data used in the firing of large-scale rotary kilns. After firing, the temperature must rise to 1800 0 C in order to sinter the material in the kiln. Therefore, two fuel...

The realization of energy efficiency targets in Europe requires renovation of 30 million buildings by 2050. Compared to new building constructions, there is currently very limited research-based knowledge concerning the challenges and solutions of achieving energy efficiency in renovation through the lens of the project delivery process. Hence, thi...

The impact of heat exposure on solar panels can be very significant, not only in terms of energy losses but also in terms of the reliability of systems in the short and long term. The main PV performance parameter can be reduced; how low the power output is due to heat-induced efficiency degradation depends on the specific microclimate as well as t...

Energy efficiency in industrial refrigeration systems should be an object of study, especially large ones used for producing and storing food and beverage products. This is because this system requires large electricity consumption and, consequently, carries out environmental impacts. Some strategies and technologies can be used to increase the coe...

The early stages of forming process development offer a high degree of design freedom and therefore cost advantages in implementing energy efficiency measures. However, this potential often remains unused in industrial applications due to the lack of a cost-efficient and simple approach. This frontloading approach addresses the specifics of forming...

The transformation of manufacturing companies towards a carbon-neutral economy requires energy transparency, energy analyses and the implementation of energy efficiency measures. Given the continuing skills shortage, the need for automated analysis methods to gain insights from measurement data is increasing. Expert systems that combine the knowled...

Wireless body area networks (WBANs) have great potential to supply society with vital technical services, but the low power of network nodes severely hampers their development. To solve this problem, Energy-Efficient, a low-power cluster-based routing system intended for precise biological data gathering in WBANs, is presented in this study. This a...

Este estudio se enfocó en garantizar la seguridad de los dispositivos de Internet de las Cosas (IoT) en los hogares, dada la creciente adopción de tecnologías de automatización. Fue crucial evaluar su fiabilidad para proteger la privacidad y seguridad de los datos personales. El objetivo general fue realizar una revisión sistemática de la literatur...

Fixed solar panels face significant energy loss as they cannot consistently capture optimal sunlight. Because of that, the overall efficiency of the PV panel will be reduced, and the installation requires larger land space to generate appropriate power; this stems from the use of a dual-axis solar tracking system, which can significantly increase o...

WSNs, due to their special characteristics as compared to conventional networks, have become the focus of extensive research. A large-scale IoT forms the backbone of billions of resource-constrained next-generation sensors interconnected with each other. Their large-scale deployments remain one of the most serious challenges to existing security me...

This study explores user-centered design in green buildings, focusing on the balance between aesthetics and energy efficiency. As sustainable architecture evolves, the integration of user needs and preferences becomes essential to creating environments that are not only environmentally friendly but also comfortable and engaging for occupants. This...

Building optimisation techniques provide a rigorous framework for exploring new optimal design solutions. In this study, a genetic algorithm (GA) was used to investigate the energy efficiency of a vernacular architectural element (Rawshan) in Saudi Arabia. Two objectives were optimised using a GA simulation enhanced: energy consumption optimisation...

This study introduces a decentralized control framework designed to improve energy efficiency in vehicle platooning by optimizing inter-vehicle gaps to minimize aerodynamic drag, a significant factor in energy consumption. The proposed framework integrates extremum seeking control (ESC), a proportional integral derivative controller with feedforwar...

Sustainable development, a key global priority, is increasingly shaped by factors such as the sharing economy, environmental patents, and energy efficiency, which have significant social, economic, and environmental implications. With rising public concern about the environment, volatile energy prices, and growing market pressure, more businesses a...

The pursuit of gravity propulsion represents one of humanity's most ambitious technological frontiers, blending insights from General Relativity, Quantum Field Theory (QFT), and emerging quantum technologies. This paper explores the theoretical and technical roadmap to developing an Anti-Gravity Propulsion System (AGPS) through Quantum Vacuum Engin...

Ethylene production prediction is crucial for improving energy efficiency and optimizing processes in the petrochemical industry. However, the production process data of ethylene are highly complex, and the interaction relationships between variables vary at different time granularities. Ignoring these feature relationships can affect the accuracy...

The research explores advanced routing protocols and swarm intelligence algorithms to enhance energy efficiency in Wireless Sensor Networks (WSNs), focusing on optimizing network performance. It examines the performance of Hierarchical Energy-Efficient Distributed (HEED), Low-Energy Adaptive Clustering Hierarchy (LEACH), and Threshold-sensitive Ene...

A whole series of factors influence the temperature of the soil surface and surface layers. The soil surface is heated by solar radiation during the day. It radiates some of the obtained heat at night. The heat exchange between the soil and the atmosphere depends on the air and soil temperatures and the speed of air movement. Precipitation may also...

To attain a low Energy Efficiency Design Index (EEDI), large ships possibly lack the necessary propulsion power to avoid stranding in case of strong adverse wind and wave conditions. To estimate this danger, here, the longitudinal and transverse drift force and the yaw drift moment caused by regular waves of arbitrary frequency and direction are co...

One of the green, clean, and environment-friendly sources of energy is wind energy. For the assessment of wind energy potential, the parameters of the probability distribution function (PDF), i.e., Weibull distribution (WD), that fits well with the wind speed data must be known. In this research, we proposed a novel optimized energy pattern factor...

The Galapagos Islands are undeniably a highly attractive ecosystem for scientists worldwide. However, the energy efficiency and sustainability aspects of their building stock have not yet been studied in depth, which directly hinders the achievement of sustainability goals for the Archipelago, such as reducing resource consumption, minimizing emiss...

El transporte marítimo es la vía principal para el comercio global, pero genera un 3% de las emisiones mundiales de dióxido de carbono, estableciendo la necesidad de disminuir esta cifra para cumplir con los objetivos de sostenibilidad ambiental y combatir el cambio climático. El estudio busca analizar las estrategias para la descarbonización del t...

Considering the crisis of increasing greenhouse gases due to excessive consumption of energy as well as rising temperature and disrupting thermal comfort conditions in urban contexts, it will be significant to carry out more investigations in this field. This study has been carried out to investigate the mutual effects of design in reaching buildin...

The scope of use of solar power plants in the world is constantly expanding. Currently, significant progress is due to cheaper technologies and quality growth of it. This article presents justification for the possibility of efficient using of photovoltaic (PV) installations in oil industry for dewaxing of oil well. The study involves predicting th...

Introduction: the increase in electricity demand on a global scale implies damage to the Earth's biodiversity. Several Latin American countries had a significant economic increase, which generated a greater demand for energyObjective: to characterize factors that influence the consumption of electric energy in refrigerators.Method: a review of the...

The growing deployment of Internet of Things (IoT) devices in diverse daily-life smart applications makes the security of IoT networks a critical requirement. However, efficient support of network security remains challenging even for a standardized IoT network protocol such as the IPv6 Routing Protocol for Low Power and Lossy Networks (RPL). It in...

Smart resource management and safety systems are becoming essential in modern living by integrating seamlessly into everyday life, ensuring efficient energy use and proactive hazard detection. This research presents a Smart Billing Meter and LPG Gas Leakage Detection System, emphasizing cost-effectiveness while maintaining high performance, particu...

Introduction: the increase in electricity demand on a global scale implies damage to the Earth's biodiversity. Several Latin American countries experienced a significant economic increase, which generated a greater demand for energy.Objective: to determine the factors that affect electricity consumption in the foreign sector, Latacunga canton, Beli...

Massive Multiple Input Multiple Output (mMIMO) is a promising solution for enabling green communication in next-generation wireless networks. Integrating mMIMO with Simultaneous Wireless Information and Power Transfer (SWIPT) technology can further enhance the system efficiencies in terms of Energy Efficiency (EE) and spectral efficiency. This pape...

The performance of Space Division Multiple Access (SDMA) in Multiuser Multiple Input Single Output (MU-MISO) systems degrades significantly under imperfect Channel State Information at the Transmitter (CSIT). To address this, Rate-Splitting Multiple Access (RSMA) has been shown to outperform SDMA in scenarios where CSIT is imperfect, particularly i...

Physical layer security (PLS) has emerged as an innovative security measure for wireless networks, augmenting the prevailing cryptography-based methods. The concept of secrecy energy efficiency (SEE) efficiently tackles the challenge of integrating energy-efficient and secure communications. The combination of Non-orthogonal multiple access (NOMA)...

The implementation of green building concepts is becoming increasingly important in light of the growing awareness of the environmental impacts of the construction sector. This research focuses on the importance of implementing green building concepts, especially in apartment structures. EDGE (Excellence in Design for Greater Efficiencies) is an as...

A seleção de espécies de eucaliptos para lenha em fogões de tecnologia aprimorados foi analisada usando o método Analytic Hierarchy Process (AHP), destacando a relevância de abordagens multicritério na gestão energética. Este estudo visou identificar o combustível mais adequado considerando a eficiência energética, o consumo de lenha e a potência g...

In recent years, energy conservation and efficiency have gained significant importance globally. Within this scope, increasing the use of renewable energy sources and reducing the energy consumption of buildings, which account for a substantial share of energy use, are among the primary objectives. Insulation applications, in particular, offer a co...

Objective: The objective of this study is to analyze the role of energy consumption optimization in achieving sustainable development in Algeria, the following research is therefore aimed at examining the part played by energy consumption optimization in the attainment of sustainable development in Algeria.. Theoretical Framework: Employing an inte...

This bibliometric analysis explores the scope and dynamics of Internet of Things (IoT) research with a focus on energy efficiency, environmental impact, and resource management. Using data sourced from Scopus and visualized through VOSviewer, the study maps out the evolution of research themes, highlights interdisciplinary collaboration, and discus...

Shopping malls are significant energy consumers due to their size, operational complexity, and the need to maintain comfortable environments for high foot traffic. This study investigates the energy demand of a large shopping mall in Brazil, comparing the economic and environmental impacts of using a diesel generator versus the national grid to mee...

This study presents the findings of a comprehensive literature review conducted in November 2024 using the Web of Science (WoS) database with the keyword "zero energy neighborhood," analyzing 596 documents through bibliometric methods. Vosviewer software was employed to identify trends, thematic focuses and research collaborations in the field. Two...

Cloud computing has raised significant concerns about their environmental impact, particularly in terms of energy consumption and carbon emissions. This review paper provides a comprehensive analysis of the energy consumption trends in AI, with a particular focus on inference costs in both cloud and edge computing scenarios. By consolidating data f...

The term "bioclimatic architecture" emerged in the 20th century from studies and analyzes carried out by brothers Victor and Aladar Olgyay, pioneers in the discussion. They played a crucial role in the development of concepts and principles that integrate natural resources, such as ventilation, shading and natural lighting, among others, into archi...

Este capítulo recopila las herramientas de Inteligencia Artificial que se están utilizando dentro del entorno educativo en cuanto a tres categorías, englobadas en las siguiente subcategorías a continuación: Evaluación adaptativa, Identificación del plagio, Asistentes virtuales para la enseñanza, Mentores Inteligentes, MOOCs adaptativos, Tutorías...

Modern agriculture requires substantial energy inputs, a significant portion of which are derived from fossil fuels. In the interests of addressing global challenges, such as sustainable resource management and reducing greenhouse gas emissions, this study examines changes in energy efficiency within Polish agriculture following the country’s acces...

The article addresses the importance of updating Algerian urban planning legislation to include thermal comfort standards in buildings, particularly in light of Executive Decree No. 15-19. Although this decree focuses on the engineering and administrative aspects of construction, it overlooks thermal comfort standards that ensure a comfortable and...

This study evaluates the impact of innovations and energy-saving technologies on improving business competitiveness within a dynamic market landscape. We collected relevant data on energy consumption (from 2000 to 2021) and the proportion of renewable energy sources (from 2002 to 2023), alongside investments in innovative technologies from the IEA...

A importância de planejamento de baias na equinocultura, promove conforto técnico e bem-estar aos equinos. Sendo evidente a eficiência energética na arquitetura bioclimática e as necessidades especificas da raça Quarto de Milha. Dessa forma, foi objetivo deste estudo transcrever pontos relevantes para o conforto térmico dos equinos visando os mater...

This section aims to enhance energy efficiency in IoT-based smart home applications, addressing a significant gap in the literature and demonstrating the feasibility of various energy optimization-based solutions. Using the Kaggle dataset Appliances Energy Prediction, algorithms such as Gray Wolf Optimization, Genetic Algorithm, and Particle Swarm...

The construction sector has a significant impact on global energy consumption and carbon emissions. Despite technological and material advances, the energy performance of buildings primarily depends on architectural design decisions. This study evaluates how solar protection system configurations affect energy consumption for heating, cooling, and...

Aquaponics is a system that combines fish and plant farming in one mutually beneficial ecosystem. However, the consumption of electrical energy, such as driving water pumps in aquaponic systems, is crucial because it requires considerable financing. Solar panels are one of the alternatives in reducing the use of electrical energy. Solar energy is e...

Economic level could be an important factor which influences energy efficiency and it’s generally accepted that high level of economic development can lead of high energy efficiency. However, the situation may be different when economic factor is put aside. In the paper, nine regions in China are chosen to compare their energy efficiency at similar...

Sugar crystallization is a critical process in the sugar industry, directly impacting the quality, yield, and efficiency of sugar production. Steam pressure plays a pivotal role in this process, influencing the rate of crystallization, energy consumption, and overall process stability. This paper reviews the principles of sugar crystallization, the...

Implementing large-scale energy retrofit projects for reducing residential energy consumption requires large scale mobilization and training of contractors with the appropriate skill sets for carrying out the retrofits. General contractors, one of the key parties in these types of projects, play a crucial role in facing the challenge of large-scale...

Heat pump deserves the name of eco-innovation. It uses ‘free energy’ - warmth collected in the soil or in the air to provide heating and cooling. There are two main types of heat pumps – air source heat pump and ground source heat pump. How do they work? What are the benefits of each system? How do they compare? First of all, questions like “what i...

Climate change has disproportionately affected the most vulnerable sectors, and energy efficiency in buildings emerges as a key to mitigate and adapt to these effects. In Mexico, hot dry climates predominate in 53% of the territory, especially in the north, and although there are regulations for energy efficiency in buildings, they have a limited i...

The importance of electric arc furnace (EAF) steelmaking is expected to increase worldwide as parts of the industry transition to lower carbon dioxide emissions. This work analyzed one year’s operational data from an EAF plant that uses a large proportion of direct-reduced iron (DRI) in the furnace feed. The data were used to test different approac...

This study focuses on the development of a hybrid battery-supercapacitor system aimed at enhancing energy efficiency and autonomy in electromobility. The energy supply system of an electric vehicle must ensure high performance and autonomy, even after numerous battery life cycles. Previous approaches to hybrid systems that combine batteries and sup...

Concepts such as "legacy system" and "brownfield system" emerge in the field of industrial automation and manufacturing, referring to older systems that can be updated or integrated with new technologies through a process called "retrofit". This process is aimed at improving the performance, connectivity, and integration of old systems with new tec...

Propylene production through the metathesis of 2-butene is a well-established method. However, energy efficiency in this process remains an area of improvement. This study focuses on optimizing energy consumption by integrating heat recovery and reducing the reliance on external energy sources. Simulations were conducted using Aspen HYSYS V11 to co...

One of Malaysia’s national energy policy’s objectives is to promote efficient utilization of energy and the elimination of wasteful and non-productive patterns of energy consumption. The government wishes to intensify energy efficiency (EE) initiatives in a broad range of areas, including in government buildings. University Malaysia Perlis (UniMAP)...

This study evaluates the impact of solar energy adoption on industrial sustainability in Uzbekistan, focusing on both economic and environmental outcomes. A mixed-methods approach was employed, combining quantitative data from energy savings, carbon emissions reduction, and operational cost savings with qualitative analysis from interviews and fiel...

Acetone is an essential ingredient in various industries whose demand continues to increase, thus requiring an efficient production method. This study aims to design an acetone production process by dehydrogenating isopropyl alcohol using Aspen HYSYS simulation and Aspen Energy Analyzer energy analysis. The simulation model was developed to enhance...

The current green agenda, the climate change, and sustainability frameworks are closely linked to the successful transition to renewable energy. The study purpose is to estimate the influence of economic and environmental drivers of renewable energy promotion in the EU-27, using the 2013–2021 data for member states. Breusch and Pagan Lagrangian mul...

Sulfuric acid is a strong mineral acid and is useful for processing mineral ores, chemical synthesis, waste water processing, and others. The increasing need for sulfuric acid is not balanced with the amount of sulfuric acid production due to the use of quite a lot of energy in the production process. Therefore, innovation is being carried out, nam...

This paper presents a comparative analysis of the energy efficiency of screw drive and linear drive CNC machine tools in turning operations. Two CNC lathes were investigated, one equipped with screw drives and the other with linear drives, during the turning of specially prepared parts. The research examines active and reactive energy consumption,...

O setor da construção civil, responsável por até 40% do consumo global de energia, enfrenta o desafio de reduzir seus impactos ambientais e promover práticas sustentáveis. Nesse contexto, o retrofit desponta como uma solução viável para modernizar edificações, aumentar sua eficiência energética e reduzir emissões de gases de efeito estufa. Este est...