Energies  

Behzad Behdani, Ali Moghim, Sheyda Mousavi, Mostafa Soltanfar and Mojgan Hojabri

With the ongoing expansion and interconnection of electrical power systems, alongside the rapid proliferation of renewable distributed generations (DGs), the short-circuit extent in the power grid is experiencing a significant rise. Fault current limiters... see more

Marlena Dominska, Radoslaw Slezak, Justyna Swiatkiewicz, Katarzyna Pazdzior and Stanislaw Ledakowicz

Dark fermentation (DF) of kitchen waste (KW) is a promising technology for the production of renewable biohydrogen. It can be both a method of obtaining clean energy and a sustainable waste management. Despite its potential, this process requires further ... see more

Maximilian Zähringer, Olaf Teichert, Georg Balke, Jakob Schneider and Markus Lienkamp

Battery electric trucks (BETs) represent a well-suited option for decarbonizing road freight transport to achieve climate targets in the European Union. However, lower ranges than the daily distance of up to 700 km make charging stops mandatory. This pape... see more

Malgorzata Smuga-Kogut, Bartosz Walendzik, Katarzyna Lewicka-Rataj, Tomasz Kogut, Leszek Bychto, Piotr Jachimowicz and Agnieszka Cydzik-Kwiatkowska

In this work, hemp (Cannabis sativa L.) stalks were pretreated with pyrrolidinium acetate [Pyrr][AC] to increase the availability of cellulose for cellulolytic enzymes and thus improve the production of 2G ethanol from reducing sugars. The process was car... see more

Dainius Genys, Ricardas Krikštolaitis and Aušra Pažeraite

The article analyses the evolution of the social dimension in energy security transition in Lithuania. It contributes to an emerging attempt in the literature to broaden the horizons of our understanding of societal transformation and energy transitions. ... see more

Sreejith Sudarsanan, Ratna Kishore Velamati, Awad B. S. Alquaity and Prabhu Selvaraj

An investigation into the non-premixed combustion characteristics of methane in a planar micro-combustor with a splitter was performed. The impact of blending methane with hydrogen on these characteristics was also analyzed. Additionally, the effects of i... see more

Mingyin Zhao, Yadong Ning, Shukuan Bai and Boya Zhang

In the context of global value chains (GVCs), the impact of the Belt and Road Initiative (BRI) on China’s bilateral trade with Belt and Road countries (BRCs) is controversial. This study constructed a GVC accounting framework based on a multiregional inpu... see more

Dan Wang, Haitao Min, Honghui Zhao, Weiyi Sun, Bin Zeng and Qun Ma

This paper proposes a long short-term memory (LSTM) network to predict the power degradation of proton exchange membrane fuel cells (PEMFCs), and in order to promote the performance of the LSTM network, the ant colony algorithm (ACO) is introduced to opti... see more

Krzysztof Zboinski and Milena Golofit-Stawinska

The most general purpose of the current paper is to trace and discuss the history and state of the art of studies on vehicle motion (dynamics) in a transition curve above the critical velocity, with the aim of potentially increasing the circle of research... see more

Klaus Kivekäs and Antti Lajunen

Agricultural emissions can be significantly reduced with smart farming, which includes moving away from large conventional tractors to fleets of compact wheeled electric robots. This paper presents a novel simulation modeling approach for an ATV-sized whe... see more

Maciej Gruszczynski, Tomasz Kaluza, Jakub Mazurkiewicz, Pawel Zawadzki, Maciej Pawlak, Radoslaw Matz, Jacek Dach and Wojciech Czekala

The studies of the rheology of digested pulp from agricultural biogas plants have often been fragmentary and non-standardised due to their complexity and time-consuming nature. As a result of measurements, it was possible to develop a procedure and range ... see more

Yongguang Xin, Wenzheng Li, Hao Zhang, Han Tian, Xiaodong Fu and Zengye Xie

The muddy limestone in the Lei32 sub-member of the Middle Triassic Leikoupo Formation in the well Chongtan 1 (CT1) of the Sichuan Basin has yielded promising industrial oil and gas production. This discovery has the potential to become a significant strat... see more

Sopheap Key, Gyu-Won Son and Soon-Ryul Nam

The reliability and stability of differential protection in power transformers could be threatened by several types of inferences, including magnetizing inrush currents, current transformer saturation, and overexcitation from external faults. The robustne... see more

Mengying Li, Songtao Wu, Rukai Zhu, Suyun Hu, Pengwan Wang, Yi Cai and Surong Zhang

The heterogeneity, sedimentary characteristics, and distribution of fine-grained sediments of millimeter-scale laminae were studied in alkaline lacustrine strata in the lower Permian Fengcheng Formation (P1f2) in the Mahu Sag to provide a sound theoretica... see more

Francesca Maria Grimaldi and Pietro Capaldi

The EU has planned the phase-out of new vehicles based on internal combustion engines in favor of high-efficiency battery electric vehicles (BEV) by 2035 (Fit for 55 package). However, many doubts remain about the effectiveness of this choice for each cou... see more

Yuhao Zhang, Ting Li, Tianyi Ma, Dongsheng Yang and Xiaolong Sun

Given the inherent volatility and intermittency of photovoltaic power generation, enhancing the precision of photovoltaic power predictions becomes imperative to ensure the stability of power systems and to elevate power quality. This article introduces a... see more

Atil Emre Cosgun and Hasan Demir

Photovoltaic (PV) modules have emerged as a promising technology in the realm of sustainable energy solutions, specifically in the harnessing of solar energy. Photovoltaic modules, which use solar energy to generate electricity, are often used on terrestr... see more

Jianfeng Zheng, Zichang Li and Han Zhang

Galloping-based piezoelectric energy harvesting systems are being used to supply renewable electricity for low-power wireless sensor network nodes. In this paper, a W-shaped bluff body is proposed as the core component of a piezoelectric wind energy harve... see more

Virendra Singh, Goutham Selvaraj and Kaushik Rajashekara

Permanent magnet (PM) motors are gaining prominence in subsea applications such as drilling, pumping, and boosting for oil and natural gas extraction. These motors are gradually replacing traditional induction motors. However, starting and operating PM mo... see more

Qi Zhang, Jin Luo, Sai Wang, Jinsong Zhu and Deshan Cui

The deployment of proppant to fracture shear is a promising approach to stimulating hydraulic permeability in fractured reservoirs. However, the interactive effects of proppant and surface roughness have not been clearly revealed. To better understand thi... see more

Zejneba Topalovic and Reinhard Haas

Given the growing shares of renewable energy sources in the grids, the interest in energy storage systems has increased. The role of pumped hydro energy storage systems as flexible solutions for managing peak and off-peak prices from nuclear and fossil po... see more

Xue Wang and Yu Zhao

In low-voltage AC distribution systems, when a series arc fault occurs in a branch with multiple loads operating in parallel, it will be significantly more difficult to identify. Existing arc fault detection methods make it difficult to effectively detect... see more

Fuqing Li, Fufeng Li, Rui Sun, Jianjie Zheng, Xiaozhao Li, Lan Shen, Qiang Sun, Ying Liu, Yukun Ji and Yinhang Duan

This study focuses on the renovation and construction of compressed air energy storage chambers within abandoned coal mine roadways. The transient mechanical responses of underground gas storage chambers under a cycle are analyzed through thermal-solid co... see more

Chunguang Yang, Guanyang Hu, Qichao Song, Yachao Wang and Weilin Yang

In this research, we propose a fixed-time sliding mode controller using a prescribed performance control approach to address the speed tracking problem in linear motor traction systems, which are powered by high-power permanent magnet linear synchronous m... see more

Stanislav Boldyryev, Mariia Ilchenko and Goran Krajacic

The electrification of process industries is one of the main challenges when building a low-carbon society since they consume huge amounts of fossil fuels, generating different emissions. Heat pumps are some of the key players in the industrial sector of ... see more

Yizhao Wang, Jian Liu, Zhihua Zhang and Shuangxue Ren

In order to improve the performance of an arc suppression coil grounding system in handling cross-line two-point successive grounding faults (CTSGs), the applicability of the transient quantity method and the steady-state quantity method for assessing CTS... see more

Qiang Ma and Runxin Ye

The quality of the intermediate point temperature control of a supercritical unit is directly related to the quality of the coal–water ratio and main steam temperature control of the supercritical unit, which is also related to the economy and safety of t... see more

Huankun Zheng and Kaidi Yu

In this paper, a user thermal comfort criterion based on predicted mean vote (PMV) values is introduced to realize the optimal operation of an improved energy hub (IEH) while considering thermal inertia and user thermal behavior. A three-layer optimizatio... see more

Bozena Gajdzik, Radoslaw Wolniak, Rafal Nagaj, Brigita Žuromskaite-Nagaj and Wieslaw Wes Grebski

The global energy crisis, which began in 2021 due to the extraordinary economic recovery after the pandemic and intensified after Russia’s invasion of Ukraine in February 2022, has changed the conditions of energy management, paying more attention to ener... see more

Krzysztof Hanzel

Shutdowns of photovoltaic installations are a problem that has been increasingly affecting private investors who have built home installations of several to a dozen kWp over the last few years. This problem, most often caused by outdated infrastructure, a... see more

Feng Wang, Hongbo Lin and Ziming Ma

Aiming to improve on the low accuracy of current transmission line icing prediction models and ignoring the objective law of icing of transmission lines, a transmission line icing prediction model considering the effect of transmission line tension on the... see more

Malgorzata Hawrot-Paw and Patryk Ratomski

The production of microalgal biomass on a commercial scale remains a significant challenge. Despite the positive results obtained in the laboratory, there are difficulties in obtaining similar results in industrial photobioreactors. Changing the cultivati... see more

Laura Mais, Michele Mascia and Annalisa Vacca

Microbial fuel cells (MFCs) are considered promising energy sources whereby chemical energy is converted into electricity via bioelectrochemical reactions utilizing microorganisms. Several factors affect MFC performance, including cathodic reduction of ox... see more

Yinchen Wang, Zhongyang Luo, Chunjiang Yu, Sheng Wang, Xiaohuan Wang and Peiliang Zhu

Sampling and 14C detection of biomass are now essential steps to ensure the accuracy of the 14C method, but they require additional time and economic investment. When there are multiple types of biomass fuels, it is not possible to guarantee the uniformit... see more

Crescenzo Pepe and Silvia Maria Zanoli

Intelligent water usage is required in order to target the challenging goals for 2030 and 2050. Hydroelectric power plants represent processes wherein water is exploited as a renewable resource and a source for energy production. Hydroelectric power plant... see more

Minseung Kim, Donghee Choi and Soo Hyoung Lee

DC transformers have emerged as essential devices for medium voltage DC (MVDC)-low voltage DC (LVDC) distribution systems. However, conventional step-down single-level converters have limits on the voltage level of the MVDC-LVDC distribution system. This ... see more

Wenjun Zhang, Jiangyun Zhang, Guoqing Zhang, Yanxin Hu, Dan Shao, Liqin Jiang and Yuliang Wen

Electric vehicles (EVs) are experiencing explosive developments due to their advantages in energy conservation and environmental protection. As a pivotal component of EVs, the safety performance of lithium-ion batteries directly affects driving miles and ... see more

Maike Illner, Kai Thüsing, Ana Salles, Anian Trettenhann, Stefan Albrecht and Markus Winkler

Battery thermal management systems (BTMSs) ensure that lithium-ion batteries (LIBs) in electric vehicles (EVs) are operated in an optimal temperature range to achieve high performance and reduce risks. A conventional BTMS operates either as an active syst... see more

Ireneusz Pielecha, Filip Szwajca and Kinga Skobiej

Hydrogen-fueled engines require large values of the excess air ratio in order to achieve high thermal efficiency. A low value of this coefficient promotes knocking combustion. This paper analyzes the conditions for the occurrence of knocking combustion in... see more

Yong Woo Jeong, Kyung-Chang Lee, Chunghun Kim and Woo Young Choi

As penetration of EVs in the transportation sector is increasing, the demand for the mandatory installation of charging infrastructure also is increasing. In addition, renewable energy and energy storage systems (ESSs) are being reviewed for use in electr... see more

Jianhua Lei, Hui Ma, Geng Qin, Zhihua Guo, Peizhou Xia and Chuantong Hao

Hydrogen energy is regarded as an ideal solution for addressing climate change issues and an indispensable part of future integrated energy systems. The most environmentally friendly hydrogen production method remains water electrolysis, where the electro... see more

Wei Zuo and Kang Li

With the continual expansion of urban road networks and global commitments to net zero, electric vehicles (EVs) have been considered to be the most viable solution to decarbonize the transportation sector. In recent years, the electric road system (ERS) h... see more

Sitong Liu, Huanmei Yuan, Dengti Hu, Tonghe Li and Hao Bai

Lauric Acid (LA) phase-change nanocapsules prepared with silver as the shell exhibit excellent energy storage capacity and high thermal conductivity. Still, their functionality could be improved by ensuring uniform morphologies, even the size and thicknes... see more

Rong Shan, Juan Duan, Yun Zeng, Jing Qian, Guanghe Dong, Min Zhu and Jigang Zhao

With the advancement in the developmental project on the lower reaches of the Yarlung Tsangpo River, the influence of the plateau climate environment on the performance of a hydro-generator has received more and more attention from researchers. This study... see more

Yeong-Geon Son, Sung-Yul Kim and In-Su Bae

To advance carbon neutrality policies, many countries are increasingly integrating Renewable Energy Sources (RESs) into their energy mix. However, for harnessing natural energy in power generation, RESs present challenges in output control, potentially le... see more

Sang-Moon Yun, Hee-Sung Shin and Jong-Chun Park

The objective of the present study is to develop and validate a two-way coupling simulation method between viscous fluid and multibody dynamics to estimate the power generation performance of point absorber wave energy converters. For numerical analysis o... see more

Georgi Todorov, Ivan Kralov, Ivailo Koprev, Hristo Vasilev and Iliyana Naydenova

The sustainable energy transition to a low-carbon and climate-neutral economy by 2050 requires a consistent increase in the share of renewable energy sources (RESs) at the expense of the share of fossil fuels. The coal power plants in the Republic of Bulg... see more

Cheng Qian, Yaxi Xie, Xiujun Zhang, Ruiqi Zhou and Bixin Mou

The increasing demand for natural gas energy will promote unconventional natural gas, such as coal seam gas and shale gas, to play a key role in future energy development. The mechanical properties of coal seams are weaker compared with conventional natur... see more

Nicole Kate Borja, Christine Joy E. Fabros and Bonifacio T. Doma, Jr.

For hydrogen-powered vehicles, the efficiency cost brought about by the current industry choices of hydrogen storage methods greatly reduces the system’s overall efficiency. The physisorption of hydrogen fuel onto metal–organic frameworks (MOFs) is a prom... see more

Changgi Min and Heejin Kim

This paper proposes a practical framework for developing a net-zero electricity mix scenario (NEMS), which considers detailed conditions for supply of each energy. NEMS means a path scenario for power generation amount by year of each generation resource ... see more

Ahmad Almaghrebi, Kevin James, Fares Al Juheshi and Mahmoud Alahmad

In the era of burgeoning electric vehicle (EV) popularity, understanding the patterns of EV users’ behavior is imperative. This paper examines the trends in household charging sessions’ timing, duration, and energy consumption by analyzing real-world resi... see more

Shangyao Shi, Jiayu Chen, Jun Li, Jiahao Liu, Ziyi Wang, Zhiru Li, Pengyun Chen and Lizhou Li

The intermittent and volatile nature of wind power generation necessitates thermal power units to provide deep-peak shaving and fast frequency regulation services within the same grid. However, the current proportional integral differential (PID) control ... see more

Pouya Kolahian, Mehdi Zarei Tazehkand and Mehdi Baghdadi

This paper investigates the effect of different designs and arrangements of conductors on the operational parameters of a planar inductor. Accordingly, it is suggested that there is no one-size-fits-all design that can achieve all desired parameters in ev... see more

Marcin Debowski, Marcin Zielinski, Joanna Kazimierowicz, Anna Nowicka and Magda Dudek

The characteristics of excess aerobic granular sludge, related to its structure and chemical composition, limit the efficiency of anaerobic digestion. For this reason, pre-treatment methods and compositions with other organic substrates are used. In earli... see more

Mukovhe Ratshitanga, Ayokunle Ayeleso, Senthil Krishnamurthy, Garrett Rose, Anges Akim Aminou Moussavou and Marco Adonis

In recent years, energy challenges such as grid congestion and imbalances have emerged from conventional electric grids. Furthermore, the unpredictable nature of these systems poses many challenges in meeting various users’ demands. The Battery Energy Sto... see more

Florian Raab, Lennart Böse, Harald Klein and Frank Opferkuch

In the light of increasingly valuable resources and a trend towards more efficient processes pushed by climate change, distributed Waste Heat Recovery (WHR) is an important element in the transformation of the energy supply. In recent years, however, WHR ... see more

Elpida Kalfountzou, Christos Tourkolias, Sevastianos Mirasgedis and Dimitris Damigos

Energy poverty (EP) has emerged as a significant and multifaceted social challenge, both in Europe and globally, in recent years. Given the constraints of limited public resources, it is imperative that policies addressing EP focus on the most socially vu... see more

Marco Junior Ticllacuri Corpus and Jonatas B. Leite

Flexible alternating current transmission systems (FACTSs) have been widely incorporated in electric power systems in order to control system parameters. This paper proposes the modeling of four FACTS devices, using the Branch Flow Model (BF) as an optimi... see more

Xinna Zhao, Li Guo, Zhiyuan Gao and Yu Hao

A major goal of the “14th Five-Year Plan” phase is to promote the green transformation of industrial enterprises to address the ‘dual carbon’ challenge. Utilizing the China Industrial Enterprises Database and the Polluting Enterprises Database, this paper... see more

Florentina Maxim, Elena-Ecaterina Toma, Giuseppe-Stefan Stoian, Cristian Contescu, Irina Atkinson, Christian Ludwig and Speranta Tanasescu

Metal oxide (MexOy) nanomaterials are used as catalysts and/or sorbents in processes taking place in supercritical water (scH2O), which is the “green” solvent needed to obtain energy-relevant products. Their properties are significantly influenced by the ... see more

Zouhaira Ben Mahmoud and Adel Khedher

Nowadays, transformer-less photovoltaic (PV) multi-level inverters (MLIs) are commonly employed in both industrial and residential settings. This structure has attracted increased attention due to its unique advantages, such as higher efficiency, lower co... see more

Ameni Boumaiza

In recent years, advancements in rooftop solar panel technology have sparked a revolution in the electricity markets. This has given rise to a new concept of energy exchange—the ability for consumers and producers to trade localized energy. This concept h... see more

Zahraossadat Alavi, Kaveh Khalilpour and Nick Florin

A circular economy involves managing and reducing the environmental and social impacts of products and materials throughout their entire lifecycle, from production to end of life, including clean energy technologies. The remarkable growth of wind turbine ... see more

Shun-Hsiung Peng and Shang-Lien Lo

Phase change materials are increasingly used because they can be used for cold energy storage in air conditioning systems to increase system efficiency and achieve energy savings. However, many potential adopters of phase change cold storage systems fail ... see more

Zvonimir Dabcevic, Branimir Škugor, Ivan Cvok and Joško Deur

The paper presents a novel approach for predicting battery energy consumption in electric city buses (e-buses) by means of a trip-based data-driven regression model. The model was parameterized based on the data collected by running a physical experimenta... see more

Cédric Terrier, Joseph René Hubert Loustau, Dorsan Lepour and François Maréchal

Energy communities are key actors in the energy transition since they optimally interconnect renewable energy capacities with the consumers. Despite versatile objectives, they usually aim at improving the self-consumption of renewable electricity within l... see more

Kwangtae Ha, Mingyu Kang, Daeyong Kwon, Sungmok Hwang and Cheol Yoo

As a wind blade is getting larger, its structural behavior becomes more complex and thus the risk of blade structural failure becomes higher. Generally, structural integrity is proved through blade testing with contact measurement devices such as strain g... see more

Antonella Accardo, Trentalessandro Costantino and Ezio Spessa

Compared to conventional fossil-fueled vehicles, electric vehicles offer several environmental benefits. However, even electric vehicles are not completely environmentally friendly because many of their parts are not recycled today. These parts, especiall... see more

Houlai Geng, Yunfeng Xu and Weimin Wu

In order to reduce the sampling delay and improve bandwidth, sability margin, and the robustness of the active damping in LCL-filtered grid-connected inverters, real-time sampling provides a convenient method. However, aliasing is easily introduced in the... see more

Weihui Xu, Zhaoke Wang, Weishu Wang, Jian Zhao, Miaojia Wang and Qinbao Wang

Photovoltaic power generation prediction constitutes a significant research area within the realm of power system artificial intelligence. Accurate prediction of future photovoltaic output is imperative for the optimal dispatchment and secure operation of... see more

Vattanak Sok, Su-Hwan Kim, Peng Y. Lak and Soon-Ryul Nam

This paper presents a novel method for the removal of dual decaying DC offsets (DDCOs) to enhance discrete Fourier transform-based phasor estimation. The method proposed in this paper uses the sum of even samples and the sum of odd samples from the input ... see more

Nouf Alnafisah, Eman Alsmari, Amal Alshehri and Jawaher Binsuwadan

This study investigates the relationship between technological innovation, renewable energy, economic growth, and carbon dioxide (CO2) emissions in a group of six specific Middle East and North Africa (MENA) countries from 1990 to 2019. The study utilizes... see more

Ewelina Szymczykiewicz, Ihor Bordun, Vitalii Maksymych, Myroslava Klapchuk, Zenoviy Kohut, Anatoliy Borysiuk, Yuriy Kulyk and Fedir Ivashchyshyn

This article presents the technology for the preparation of a nitrogen-containing nanoporous bio-carbon and investigates its properties. It has been shown that the synthesised bio-carbon is characterised by a high degree of homogeneity, which has been con... see more

Shree Krishna Acharya, Hwanuk Yu, Young-Min Wi and Jaehee Lee

Deep learning (DL) networks are a popular choice for short-term load forecasting (STLF) in the residential sector. Hybrid DL methodologies based on convolutional neural networks (CNNs) and long short-term memory networks (LSTMs) have a higher forecasting ... see more

Piero Bareschino, Roberto Chirone, Andrea Paulillo, Claudio Tregambi, Massimo Urciuolo, Francesco Pepe and Erasmo Mancusi

An innovative process layout for sludge waste management based on chemical looping combustion and flue gas methanation is analyzed in this work. The technical performance of the system was assessed by considering that the flue gas is first purified and th... see more

Teresa Donateo

Hydrogen is a promising energy carrier in all fields of transportation, including unmanned aerial vehicles (UAVs) and manned vehicles for urban air mobility (UAM). In these applications, one of the biggest challenges is to overcome the limitations of lith... see more

Paolo Civiero, Giulia Turci, Beril Alpagut, Michal Kuzmic, Silvia Soutullo, María Nuria Sánchez, Oscar Seco, Silvia Bossi, Matthias Haase, Gilda Massa and Christoph Gollner

This paper presents the Positive Energy District Database (PED DB), a pivotal web tool developed collaboratively by the COST Action ‘PED-EU-NET’, in alignment with international initiatives such as JPI Urban Europe and IEA EBC Annex 83. The PED DB represe... see more

Sunny Kumar Poguluri, Dongeun Kim and Yoon Hyeok Bae

In this study, the performance of a wave energy converter (WEC) rotor under regular and irregular wave conditions was investigated using 3D nonlinear numerical models. Factors such as the power take-off (PTO) load torque, wave periods, spacing of multiple... see more

Chunhong Liu, Shisong Jiang, Hanfei Zhang, Ziyi Lu and Umberto Desideri

In order to achieve the ambitious goal of “carbon neutrality”, countries around the world are striving to develop clean energy. Against this background, this paper takes China and Italy as representatives of developing and developed countries to summarize... see more

Ye-Ji Hyeon, Dong-In Lee, Seong-Wook Jeong and Han-Shin Youn

In this study, the inductor optimization design is performed by applying the Pareto optimization technique. As environmental problems emerge, the electric vehicle market is expanding, and accordingly, volume reduction and high efficiency of the onboard ch... see more

Youzhuo Zheng, Long Hua, Yekui Yang, Chun Li, Chaoyi Luo, Zihong Song, Xingwu Yang and Haibo Feng

Modular multilevel converters (MMCs) are susceptible to subsynchronous oscillations (SSOs) caused by impedance interactions in the power line. Current research into the stability of MMCs focuses mainly on voltage feed-forward control, while the effect of ... see more

Min-Ki Kim, Chin-Hyuk Chang, Seok-Hyun Nam and Hyun-Sik Yoon

Four types of undulated cylinders with streamwise undulation, transverse undulation, in-phase undulation and antiphase undulation are employed to investigate the undulation-axis effect on the structure of heat transfer around wavy cylinders. The flows aro... see more

Ilya A. Galkin, Rodions Saltanovs, Alexander Bubovich, Andrei Blinov and Dimosthenis Peftitsis

The application of electrochemical cells as a source unit of electrical energy is rapidly growing—used in electric vehicles and other electric mobility devices, as well as in energy supply systems—as energy storage, often together with renewable energy so... see more

Imanka Dewayalage, Duane A. Robinson, Sean Elphick and Sarath Perera

Large-scale renewable energy plants, flexible AC (alternating current) and high voltage DC (direct current) transmission systems, and modern consumer devices utilize power electronics that tend to increase harmonic emissions. Furthermore, such emissions a... see more

Takao Katsura, Katsuya Saito, Motoaki Oe and Katsunori Nagano

Ground source heat pump systems are one of the renewable energy heat utilization technologies that can reduce the energy for HVAC and hot water supplies and consequently mitigate the progression of global warming. On the other hand, the development of gro... see more

Yurdagül Bentesen Yakut

In this article, the control of a DC/DC converter was carried out using the proposed methods of conventional PI, PSO-based PI, PSO-based FOPI, GA-based PI, and GA-based FOPI controllers in order to improve the performance of PEMFCs. Simulink models of a P... see more

Zhonghao Dong, Xiaofeng Lu, Rongdi Zhang, Jianbo Li, Zhaoliang Wu, Zhicun Liu, Yanting Yang, Quanhai Wang and Yinhu Kang

Circulating fluidized bed (CFB) boilers offer a technically viable and environmentally friendly means for the clean and efficient utilization of solid fuels. However, the complex gas–solid two-phase flow processes within them have hindered a thorough reso... see more

Yunmin Ran and Volfango Bertola

Jerzy Zgraja

Carlos O. Trejo-Pech, T. Edward Yu, David N. Lanning, James H. Dooley, James A. Larson and Burton C. English

Wang Zhe, Dahaman Ishak and Muhammad Najwan Hamidi