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  • Open Access

    ARTICLE

    Typical Application Scenarios and Economic Benefit Evaluation Methods of Battery Energy Storage System

    Ming Zeng1,2, Haibin Cao1, Ting Pan1,2,*, Pinduan Hu1,2, Shi Tian1, Lijun Zhong3, Zhi Ling4

    Energy Engineering, Vol.119, No.4, pp. 1569-1586, 2022, DOI:10.32604/ee.2022.019488

    Abstract Energy storage system is an important means to improve the flexibility and safety of traditional power system, but it has the problem of high cost and unclear value recovery path. In this paper, the typical application scenarios of energy storage system are summarized and analyzed from the perspectives of user side, power grid side and power generation side. Based on the typical application scenarios, the economic benefit assessment framework of energy storage system including value, time and efficiency indicators is proposed. Typical battery energy storage projects are selected for economic benefit calculation according to different scenarios, and key factors are… More >

  • Open Access

    ARTICLE

    Suitability Evaluation of Hydrogen Production and Hydrogenation Station Based on AHP-Fuzzy Comprehensive Evaluation Method

    Sainan Zhang, Jing Xue*, Xudong Sun

    Energy Engineering, Vol.119, No.4, pp. 1547-1567, 2022, DOI:10.32604/ee.2022.019450

    Abstract Since there are multiple influencing factors and lack of evaluation standards for the construction of hydrogen production and hydrogenation station in China, this paper establishes the suitability evaluation index system of hydrogen production and hydrogenation station from four aspects of technology, economy, environment and safety. Combined with actual conditions, this paper uses Analytic Hierarch Process (AHP) and Fuzzy Comprehensive evaluation to evaluate water electrolysis hydrogen and hydrogenation production station and natural gas reformation hydrogen production and hydrogenation station. The results show that hydrogen producing by water electrolysis is more efficient than natural gas reformation in hydrogen production and hydrogenation station,… More > Graphic Abstract

    Suitability Evaluation of Hydrogen Production and Hydrogenation Station Based on AHP-Fuzzy Comprehensive Evaluation Method

  • Open Access

    ARTICLE

    Numerical Study on Heat Transfer Characteristic of the Plate-Fin Microchannel Heat Sink for Water-Based Thermal Management of CPU Chip

    Jie-Chao Chen, Rui-Hao Luo, Wu-Zhi Yuan, Nan-Long Hong*, Wen-Hao Wang

    Energy Engineering, Vol.119, No.4, pp. 1327-1339, 2022, DOI:10.32604/ee.2022.019331

    Abstract For effective water-based thermal management of high heat generating CPU chip, a series of numerical simulation has been conducted to study the effects of heat flux, fin height and flow rate on convective thermal performance of the plate-fin microchannel heat sinks. The characteristics of heat transfer and flow resistance have been quantificationally discussed and JF factor is employed to evaluate the comprehensive efficiency of convective heat transfer of microchannel heat sink. Results show that the increase in fin height and flow rate of cooling water is helpful to decrease the maximum temperature of CPU chip. Large flow rate and heat… More >

  • Open Access

    ARTICLE

    A Novel Aquila Optimizer Based PV Array Reconfiguration Scheme to Generate Maximum Energy under Partial Shading Condition

    Dong An1, Junqing Jia1, Wenchao Cai1, Deyu Yang1, Chao Lv1, Jiawei Zhu2, Yingying Jiao3,*

    Energy Engineering, Vol.119, No.4, pp. 1531-1545, 2022, DOI:10.32604/ee.2022.019284

    Abstract This paper develops a real-time PV arrays maximum power harvesting scheme under partial shading condition (PSC) by reconfiguring PV arrays using Aquila optimizer (AO). AO is based on the natural behaviors of Aquila in capturing prey, which can choose the best hunting mechanism ingeniously and quickly by balancing the local exploitation and global exploration via four hunting methods of Aquila: choosing the searching area through high soar with the vertical stoop, exploring in different searching spaces through contour flight with quick glide attack, exploiting in convergence searching space through low flight with slow attack, and swooping through walk and grabbing… More > Graphic Abstract

    A Novel Aquila Optimizer Based PV Array Reconfiguration Scheme to Generate Maximum Energy under Partial Shading Condition

  • Open Access

    REVIEW

    Prospects and Challenges of Utilizing Solar Energy for the COVID-19 Vaccine Cold Storage in Remote Clinics of Tropical Countries: Review

    Indra Mamad Gandidi1,*, Apri Wiyono1, Nugroho Agung Pambudi2,*, Rahmat Romadhon3, Alfan Sarifudin2

    Energy Engineering, Vol.119, No.4, pp. 1403-1418, 2022, DOI:10.32604/ee.2022.019200

    Abstract The rapid spread of COVID-19 pandemic has forced several countries in the world to store vaccines in cold storage towards ensuring their protection from being damaged and to maintain their stability. However, most remote clinics, especially those in the equator and islands, are faced with the challenges of hot climates and the inability to afford electricity resources needed to power the cold storage facility. Meanwhile, the hot equatorial region has abundant solar energy to power the vaccine cold storage but previous studies showed that several field workers do not have the ability to maintain the vaccine storage temperature as indicated… More >

  • Open Access

    REVIEW

    An Updated Review on Low-Temperature Nanocomposites with a Special Focus on Thermal Management in Buildings

    John Paul1, K. Kadirgama1, M. Samykano2,*, R. Saidur3, A. K. Pandey3, R. V. Mohan4

    Energy Engineering, Vol.119, No.4, pp. 1299-1325, 2022, DOI:10.32604/ee.2022.019172

    Abstract

    Buildings contribute to 33% of total global energy consumption, which corresponds to 38% of greenhouse gas emissions. Enhancing building’s energy efficiency remains predominant in mitigating global warming. Advancements in thermal energy storage (TES) techniques using phase change material (PCM) have gained much attention among researchers, primarily to minimize energy consumption and to promote the use of renewable energy sources. PCM technology stays as the most promising technology for developing high-performance and energy-efficient buildings. The major drawback of PCM is its poor thermal conductivity which limits its potential use which could be resolved by dispersing conductive nanofillers. The acquired database on… More > Graphic Abstract

    An Updated Review on Low-Temperature Nanocomposites with a Special Focus on Thermal Management in Buildings

  • Open Access

    REVIEW

    Review on Research about Wake Effects of Offshore Wind Turbines

    Yehong Dong1,2, Guangyin Tang3, Yan Jia4, Zekun Wang4,5, Xiaomin Rong5, Chang Cai5, Qingan Li5, Yingjian Yang4,5,*

    Energy Engineering, Vol.119, No.4, pp. 1341-1360, 2022, DOI:10.32604/ee.2022.019150

    Abstract In recent years, the construction of offshore wind farms is developing rapidly. As the wake effect of the upstream wind turbines seriously affect the performance of the downstream wind turbines, the wake effect of offshore wind turbines has become one of the research hotspots. First, this article reviews the research methods of wake effects, including CFD numerical simulation method, wind turbine wake model based on roughness and engineering wake models. However, there is no general model that can be used directly. Then it puts forward some factors that affect the wake of offshore wind turbines. The turbulence intensity in offshore… More > Graphic Abstract

    Review on Research about Wake Effects of Offshore Wind Turbines

  • Open Access

    ARTICLE

    Modeling and Simulation Analysis of Solar Thermal Electric Plants Based on Petri Net

    Rong Huang1, Xiaojuan Lu2,*, Zeping Liang2, Pengfei Gao1, Tian Liang1

    Energy Engineering, Vol.119, No.4, pp. 1711-1728, 2022, DOI:10.32604/ee.2022.019128

    Abstract At present, solar thermal power generation is in the demonstration stage, and the large-scale production is affected by many factors. In view of the characteristics of different operating modes of photothermal power generation, it is analyzed that the turbine needs to be started and stopped frequently due to different operating modes, which will lead to the instability of the output energy and the reduction of power generation efficiency. In this paper, the dynamic equation of energy conversion process is established by using the law of conservation of energy and conservation of mass. Combined with the logic switching criterion of the… More > Graphic Abstract

    Modeling and Simulation Analysis of Solar Thermal Electric Plants Based on Petri Net

  • Open Access

    REVIEW

    A Literature Review on Sustainability of Bio-Based and Biodegradable Plastics: Challenges and Opportunities

    Taofeeq D. Moshood, Gusman Nawanir, Fatimah Mahmud*, Fazeeda Mohamad, Mohd Hanafiah Ahmad, Airin AbdulGhani

    Energy Engineering, Vol.119, No.4, pp. 1611-1647, 2022, DOI:10.32604/ee.2022.019028

    Abstract This study examines the literature on bio-based and biodegradable plastics published between 2000 and 2021 and provides insights and research suggestions for the future. The study gathers data from the Scopus and ISI Web of Science databases, then picks 1042 publications objectively and analyses their metadata. Furthermore, 144 papers from the Web of Science are analysed to present insights and classifications of the literature based on content analyses, including assessment/evaluation of the sustainability of bio-based and biodegradable Plastics, sustainability of biodegradable Plastics, and factors driving the uptake of biodegradable plastics. The study finds that most research on bio-based and biodegradable… More >

  • Open Access

    ARTICLE

    Development of Vehicle-to-Grid System to Regulate the System Parameters of Microgrid

    Om Prakash Mahela1, Baseem Khan2,*, Rupendra Kumar Pachauri3

    Energy Engineering, Vol.119, No.4, pp. 1261-1298, 2022, DOI:10.32604/ee.2022.018913

    Abstract This paper proposes a vehicle-to-grid (V2G) system interfaced with a microgrid that is effective at regulating frequency on a microgrid over a 24-h cycle. A microgrid is designed and divided into four components. The first component is a diesel generator, which is used to act as the base power generator. The second component consists of renewable energy (RE) power plants, which include solar photovoltaic (PV) and wind plants. The third component is a V2G system. The last component is the load connected to the microgrid. A microgrid is designed to be of sufficient size to represent a community of one… More > Graphic Abstract

    Development of Vehicle-to-Grid System to Regulate the System Parameters of Microgrid

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