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Energies, Volume 14, Issue 21

2021 November-1 - 596 articles

Cover Story: FPV (floating photovoltaic system) installation in offshore areas is an effective solution not only for solving the problem of land scarcity inland, but also using the abundant water surface area offshore. The production of electricity from offshore FPV systems has been increasing in many countries around the world, with many modern FPV techniques to match energy consumption demand for various fields such as lighting, industrial production, agriculture, as well as aquaculture.View this paper
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Articles (596)

  • Article
  • Open Access
5 Citations
2,738 Views
12 Pages

8 November 2021

Synthetic saponites were successfully used to prepare phase change materials (PCMs) based on paraffin/synthetic saponite. Paraffin/synthetic saponites PCMs were prepared by a solution intercalation process. The PCMs were characterized by powder X-ray...

  • Article
  • Open Access
21 Citations
3,047 Views
21 Pages

8 November 2021

The main challenge in extracting geothermal energy is to overcome issues relating to geothermal reservoirs such as the formation damage and formation fracturing. The objective of this study is to develop an integrated framework that considers the geo...

  • Article
  • Open Access
8 Citations
5,792 Views
14 Pages

Pressure Swing-Based Reactive Distillation and Dividing Wall Column for Improving Manufacture of Propylene Glycol Monomethyl Ether Acetate

  • Yus Donald Chaniago,
  • Le Cao Nhien,
  • Ahmad Naquash,
  • Amjad Riaz,
  • Gwang Sik Kim,
  • Hankwon Lim and
  • Moonyong Lee

8 November 2021

Propylene glycol monomethyl ether acetate (PGMEA) is a commonly used solvent in the rapidly developing semiconductor industry. Ultra-high purity PGMEA is required for this ultra-precision industry and to satisfy the current strict waste management re...

  • Article
  • Open Access
2 Citations
3,458 Views
10 Pages

Comparison Study on High Force Density Linear Motors for Compressor Application

  • Fei Zhao,
  • Yunshuai Jiang,
  • Kuang Yang,
  • Chengming Zhang,
  • Wei Lian and
  • Guangyin Wang

8 November 2021

This paper presents the modular topologies of the dual-stator dual-winding permanent magnet (PM) linear motors for linear compressors used in the electrified transportation application. Compared to the conventional PM linear motor in compressor, the...

  • Article
  • Open Access
7 Citations
3,793 Views
18 Pages

8 November 2021

Distributed energy resources (DERs) play an indispensable role in mitigating global warming. The DERs require flexibility owing to the uncertainty of their power output when connected to the power grid. Recently, blockchain technology has actualized...

  • Article
  • Open Access
2 Citations
2,355 Views
12 Pages

8 November 2021

Countries around the world develop and use software based on the monthly calculation method of DIN V 18599:2007 and EN ISO13790 for building energy performance evaluations. The purpose of this study is to propose a method that can consider the effect...

  • Article
  • Open Access
15 Citations
3,642 Views
10 Pages

8 November 2021

Upscaling of photoelectrode for a practical photoelectrochemical (PEC) water splitting system is still challenging because the PEC performance of large-scale photoelectrode is significantly low, compared to the lab scale photoelectrode. In an effort...

  • Article
  • Open Access
2 Citations
2,821 Views
29 Pages

8 November 2021

The main purpose of this study is to optimize engine performance and emission characteristics of off-road engines with retarded spark timing compared to MBT by repurposing the existing passenger engine. This study uses a one-dimensional (1D)-simulati...

  • Article
  • Open Access
6 Citations
3,271 Views
19 Pages

Three-Phase State Estimation of a Low-Voltage Distribution Network with Kalman Filter

  • Fabio Napolitano,
  • Juan Diego Rios Penaloza,
  • Fabio Tossani,
  • Alberto Borghetti and
  • Carlo Alberto Nucci

8 November 2021

The state estimation of distribution networks has long been considered a challenging task for the reduced availability of real-time measures with respect to the transmission network case. This issue is expected to be improved by the deployment of mod...

  • Article
  • Open Access
3 Citations
2,801 Views
17 Pages

8 November 2021

The use of concentrated solar irradiation for the improvement of electric generation improvement has been implemented on different scales, mainly in photovoltaic systems. High-concentration Fresnel lenses are widely chosen for this approach in large...

  • Article
  • Open Access
5 Citations
2,245 Views
26 Pages

Technical and Economic Analysis of Low-Emissions Modernization of Existing Heating Plants in Poland

  • Anna Hnydiuk-Stefan,
  • Aleksandra Otawa,
  • Krzysztof Stefan and
  • Dariusz Zmarzły

8 November 2021

An analysis is performed with regards to technologically outdated heating plants operating in many areas where fossil fuels such as coal and gas are utilized, in order to consider the alternatives of their modernization. By application of a chart usi...

  • Article
  • Open Access
14 Citations
5,476 Views
19 Pages

8 November 2021

Passive thermal comfort has been widely used to test the thermal performance of a building. The science of active thermal comfort is important to be connected with the science of architecture. The currently developing active thermal comfort is adapti...

  • Article
  • Open Access
8 Citations
3,320 Views
27 Pages

Reliability Metrics for Generation Planning and the Role of Regulation in the Energy Transition: Case Studies of Brazil and Mexico

  • Ana Werlang,
  • Gabriel Cunha,
  • João Bastos,
  • Juliana Serra,
  • Bruno Barbosa and
  • Luiz Barroso

8 November 2021

In recent years electricity sectors worldwide have undergone major transformations, referred to as the “energy transition”. This has required energy planning to quickly adapt to provide useful inputs to the regulation activity so that a cost-effectiv...

  • Article
  • Open Access
9 Citations
3,493 Views
23 Pages

8 November 2021

This study examines the relationship between urbanization, economic growth, industrial transformation, technological change, public services, demographical change, urban and natural environmental changes, and carbon emissions using a dataset of 182 p...

  • Article
  • Open Access
5 Citations
2,915 Views
12 Pages

8 November 2021

Separating oil-water mixtures is critical in a variety of practical applications, including the treatment of industrial wastewater, oil spill cleanups, as well as the purification of petroleum products. Among various methodologies that have been util...

  • Article
  • Open Access
5 Citations
3,882 Views
18 Pages

8 November 2021

Information management, an important element of which is the information system, has a direct impact on the functioning of a company, including its competitive position. Information management is related to the shape of the organizational culture, re...

  • Article
  • Open Access
8 Citations
3,280 Views
23 Pages

Field-Based Prediction Models for Stop Penalty in Traffic Signal Timing Optimization

  • Suhaib Alshayeb,
  • Aleksandar Stevanovic and
  • B. Brian Park

8 November 2021

Transportation agencies optimize signals to improve safety, mobility, and the environment. One commonly used objective function to optimize signals is the Performance Index (PI), a linear combination of delays and stops that can be balanced to minimi...

  • Article
  • Open Access
4 Citations
3,936 Views
20 Pages

8 November 2021

Development of high-frequency-isolated DC-DC converters is underway for charging and discharging electric vehicle batteries. As a charger, a Single Active Bridge (SAB) converter, which is composed of a primary full-bridge converter, a high-frequency...

  • Article
  • Open Access
9 Citations
4,861 Views
34 Pages

A New Hybrid Online and Offline Multi-Factor Cross-Domain Authentication Method for IoT Applications in the Automotive Industry

  • Haqi Khalid,
  • Shaiful Jahari Hashim,
  • Sharifah Mumtazah Syed Ahmad,
  • Fazirulhisyam Hashim and
  • Muhammad Akmal Chaudhary

8 November 2021

Connected vehicles have emerged as the latest revolution in the automotive industry, utilizing the advent of the Internet of Things (IoT). However, most IoT-connected cars mechanisms currently depend on available network services and need continuous...

  • Article
  • Open Access
8 Citations
2,628 Views
16 Pages

8 November 2021

This paper puts forward a methodology for calculating the duration and energy efficiency of regimes for autoclave steaming of wooden prisms for veneer production at limited heat power of the steam generator, depending on the dimensions of the prism’s...

  • Article
  • Open Access
16 Citations
4,543 Views
27 Pages

Designing Virtual Reality Environments through an Authoring System Based on CAD Floor Plans: A Methodology and Case Study Applied to Electric Power Substations for Supervision

  • Camilo de Lellis Barreto Junior,
  • Alexandre Cardoso,
  • Edgard Afonso Lamounier Júnior,
  • Paulo Camargos Silva and
  • Alexandre Carvalho Silva

8 November 2021

The adoption of Virtual Reality (RV) technologies in prototype design and process revision has contributed to multiple industry areas. Nonetheless, the development of VR systems for engineering is a complex task, as it involves specialized teams hand...

  • Article
  • Open Access
3 Citations
3,163 Views
15 Pages

8 November 2021

Indoor heating systems currently used are highly dependent on fossil fuels; hence, it is urgent to develop a new heating system to achieve carbon zero-emission. A solar air heater is eco-friendly because it generates nearly zero greenhouse gases. In...

  • Article
  • Open Access
10 Citations
3,190 Views
29 Pages

8 November 2021

Large-scale wind farms and wind farm clusters with many installed wind turbines are increasingly built around the world, and especially in offshore regions. The reliability and availability of these assets are critically important for cost-effective...

  • Article
  • Open Access
2 Citations
4,064 Views
20 Pages

8 November 2021

Bucket elevators are applied in many industries for bulk material handling. One of the main requirements for these devices is their high operational reliability. This applies in particular to power units that must operate continuously without failure...

  • Review
  • Open Access
8 Citations
4,367 Views
23 Pages

Review of Data and Data Sources for the Assessment of the Potential of Utility-Scale Hybrid Wind–Solar PV Power Plants Deployment, under a Microgrid Scope

  • Luis Arribas,
  • Yolanda Lechón,
  • Alberto Perula,
  • Javier Domínguez,
  • Manuel Ferres,
  • Jorge Navarro,
  • Luis F. Zarzalejo,
  • Carolina García Barquero and
  • Ignacio Cruz

8 November 2021

Utility-scale hybrid wind–solar PV power plants (which might include some storage as well) are an attractive option for the transition of conventional grids to incorporate high renewable energy (RE) shares. Along with lower generation costs, they off...

  • Article
  • Open Access
2 Citations
2,250 Views
19 Pages

Assessment of the Impact of Per Unit Parameters Errors on Wave and Output Parameters in a Transmission Line

  • Sebastian Różowicz,
  • Andrzej Zawadzki,
  • Maciej Włodarczyk,
  • Antoni Różowicz and
  • Damian Mazur

8 November 2021

The assessment of the impact of per unit length parameter errors on the determination of wave parameters, currents, and voltages at the end of the line has been presented in the paper. The impact on the above-mentioned values has been indicated. This...

  • Article
  • Open Access
3,333 Views
25 Pages

Comparative Study of Experimentally Measured and Calculated Solar Radiations for Two Sites in Algeria

  • Bouazza Fekkak,
  • Mustapha Merzouk,
  • Abdallah Kouzou,
  • Ralph Kennel,
  • Mohamed Abdelrahem,
  • Ahmed Zakane and
  • Mostefa Mohamed-Seghir

8 November 2021

This paper presents a comparison study between the measured solar radiations on site and the calculated solar radiation based on the most theoretical models presented in the literature up to date. Indeed, for such purposes, this paper focusses on the...

  • Article
  • Open Access
20 Citations
4,143 Views
13 Pages

8 November 2021

Battery energy storage systems (BESSs) are key components in efficiently managing the electric power supply and demand in microgrids. However, the BESSs have issues in their investment costs and operating lifetime, and thus, the optimal sizing of the...

  • Article
  • Open Access
2,218 Views
14 Pages

Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits

  • Chaoyang Huang,
  • Jianming Peng,
  • Yanliang Li,
  • Moke Lian,
  • Chao Guo,
  • Yongjiang Luo and
  • Kun Bo

8 November 2021

The target strata of sandstone-type uranium deposits are usually located in the fragile and loose strata, which makes it difficult to obtain core samples; consequently, a novel ice coring device for loose sandstone-type uranium deposits is proposed t...

  • Article
  • Open Access
18 Citations
3,143 Views
23 Pages

8 November 2021

Forecasting renewable energy sources is of critical importance to several practical applications in the energy field. However, due to the inherent volatile nature of these energy sources, doing so remains challenging. Numerous time-series methods hav...

  • Article
  • Open Access
35 Citations
8,711 Views
41 Pages

Analysing the Performance of Ammonia Powertrains in the Marine Environment

  • Thomas Buckley Imhoff,
  • Savvas Gkantonas and
  • Epaminondas Mastorakos

8 November 2021

This study develops system-level models of ammonia-fuelled powertrains that reflect the characteristics of four oceangoing vessels to evaluate the efficacy of ammonia as an alternative fuel in the marine environment. Relying on thermodynamics, heat t...

  • Article
  • Open Access
8 Citations
3,412 Views
25 Pages

8 November 2021

The aim of this paper is to present a model of energy efficient scheduling for series production systems during operation, including setup and shutdown activities. The flow shop system together with setup, shutdown times and energy consumption are co...

  • Article
  • Open Access
8 Citations
3,519 Views
14 Pages

Robust Control Design for Autonomous Vehicles Using Neural Network-Based Model-Matching Approach

  • Dániel Fényes,
  • Tamás Hegedus,
  • Balázs Németh and
  • Péter Gáspár

8 November 2021

In this paper, a novel neural network-based robust control method is presented for a vehicle-oriented problem, in which the main goal is to ensure stable motion of the vehicle under critical circumstances. The proposed method can be divided into two...

  • Article
  • Open Access
3 Citations
2,193 Views
16 Pages

8 November 2021

In order to realize the intelligent management of a power materials warehouse, the Internet of Things based on wireless sensor networks (WSNs) is a promising effective solution. Considering the limited battery capacity of sensor nodes, the optimizati...

  • Review
  • Open Access
8 Citations
4,118 Views
18 Pages

Frequency Support Markets and Wind Power Integration

  • Anzhelika Ivanova,
  • José Luis Domínguez-García and
  • Cristina Corchero

8 November 2021

Europe’s initiative to reduce the emissions of harmful gases has significantly increased the integration of renewable sources into power networks, particularly wind power. Variable renewable sources pose challenges to sustain the balance between gene...

  • Article
  • Open Access
8 Citations
3,706 Views
18 Pages

8 November 2021

Properly selected tillage methods and management of the available organic matter resources are considered important measures to enable farming in accordance with the principles of sustainable agriculture. Depending on the depth and intensity of culti...

  • Article
  • Open Access
3 Citations
2,175 Views
10 Pages

The Elephant Problem—Determining Bulk Thermal Diffusivity

  • Robert Beaufait,
  • Sebastian Ammann and
  • Ludger Fischer

8 November 2021

This study investigates a measurement method of thermal diffusivity for samples with arbitrary geometries and unknown material properties. The aim is to curve fit the thermal diffusivity with the use of a numerical simulation and transient temperatur...

  • Article
  • Open Access
12 Citations
3,638 Views
19 Pages

8 November 2021

In the Carboniferous–Permian period, several organic-rich black shales were deposited in a marine–continental transitional environment in the Linfen area on the eastern margin of the Ordos Basin. Integrated sedimentological and organic geochemical an...

  • Article
  • Open Access
12 Citations
3,662 Views
16 Pages

Recyclables Collection Route Balancing Problem with Heterogeneous Fleet

  • Roger Książek,
  • Katarzyna Gdowska and
  • Antoni Korcyl

7 November 2021

Nowadays, robust and efficient solid waste collection is crucial to motivate citizens to participate in the circular economy by sorting recyclable solid waste. Vocational vehicles, including garbage trucks, contribute significantly to CO2 emissions;...

  • Article
  • Open Access
10 Citations
3,645 Views
18 Pages

7 November 2021

Geothermal heat is an increasingly adopted source for satisfying all thermal purposes in buildings by reversible heat pumps (HP). However, for residential buildings located in moderate climates, geocooling, that implies the use of geothermal source f...

  • Article
  • Open Access
4 Citations
2,896 Views
24 Pages

7 November 2021

The COVID-19 pandemic and resulting containment measures have shown that energy consumption in buildings is linked to several factors, such as living habits, occupancy profiles, and heating ventilation and air conditioning (HVAC) systems. This paper...

  • Article
  • Open Access
7 Citations
2,572 Views
16 Pages

7 November 2021

Evaluation of attractive areas of high- and ultra-high voltage power transmission lines to direct lightning strokes is based on modeling of propagating progress of the lightning leader approaching the transmission line. The aim of the modeling is to...

  • Article
  • Open Access
21 Citations
5,923 Views
25 Pages

7 November 2021

The energy sector is expected to face fundamental challenges in the near future. On the one hand, it is experiencing a rapidly increasing demand for energy. At the same time, it is subject to the pressure of the climate policy due to environmental is...

  • Article
  • Open Access
21 Citations
3,949 Views
15 Pages

7 November 2021

Agreed upon by the UN member states, Agenda 2030 assumes joint action for long-term sustainable development. These actions are focused on the implementation of 17 Sustainable Development Goals (SDGs), where actions are assumed to lead to the suppress...

  • Article
  • Open Access
5 Citations
3,039 Views
37 Pages

7 November 2021

The central problems of some of the existing Non-Intrusive Load Monitoring (NILM) algorithms are indicated as: (1) higher required electrical device identification accuracy; (2) the fact that they enable training over a larger device count; and (3) t...

  • Article
  • Open Access
38 Citations
7,229 Views
19 Pages

Study on the Positioning Accuracy of GNSS/INS Systems Supported by DGPS and RTK Receivers for Hydrographic Surveys

  • Andrzej Stateczny,
  • Cezary Specht,
  • Mariusz Specht,
  • David Brčić,
  • Alen Jugović,
  • Szymon Widźgowski,
  • Marta Wiśniewska and
  • Oktawia Lewicka

7 November 2021

Hydrographic surveys, in accordance with the International Hydrographic Organization (IHO) S-44 standard, can be carried out in the following five orders: Exclusive, Special, 1a, 1b and 2, for which minimum accuracy requirements for the applied posit...

  • Article
  • Open Access
2 Citations
2,614 Views
14 Pages

Real-Time Data Acquisition and Processing System for MHz Repetition Rate Image Sensors

  • Aleksander Mielczarek,
  • Dariusz Radosław Makowski,
  • Christopher Gerth,
  • Bernd Steffen,
  • Michele Caselle and
  • Lorenzo Rota

6 November 2021

An electro-optic detector is one of the diagnostic setups used in particle accelerators. It employs an electro-optic crystal to encode the longitudinal beam charge profile in the spectrum of a light pulse. The charge distribution is then reconstructe...

  • Article
  • Open Access
10 Citations
2,729 Views
19 Pages

Reliability Assessment of Aircraft Commutators

  • Wojciech Wawrzyński,
  • Mariusz Zieja,
  • Justyna Tomaszewska and
  • Mariusz Michalski

6 November 2021

The article describes the method of predicting the reliability and durability of an aircraft commutator, which is a primary source of electric energy in helicopters. Tests were conducted for 10 starter-generators. From this research it follows that t...

  • Article
  • Open Access
11 Citations
3,117 Views
11 Pages

6 November 2021

An integrated membrane distillation (MD) flowsheet, consisting of direct contact membrane distillation (DCMD) and vacuum membrane distillation (VMD) units, was proposed and analysed in terms of thermal performance and water recovery factor, for the f...

  • Article
  • Open Access
7 Citations
3,663 Views
17 Pages

Evaluation of Modular Power Converter Integrated with 5G Network

  • Sebastian Baba,
  • Serafin Bachman,
  • Marek Jasinski and
  • Hong Li

5 November 2021

This paper focuses on two key technical concepts, which may have a tremendous impact on future generations of power electronic converters: the Power Electronic Building Block (PEBB) concept, and the 5G/6G wireless data transfer. It is expected that t...

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Energies - ISSN 1996-1073