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IAA induced biomass and lipid overproduction in microalga via two-stage cultivation strategy: Characterization using FTIR/CHNS/TGA/DTG and 1H- NMR for bioenergy potential Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-15 Savita Singh, Avinash Singh, Sakshi Singh, Nitesh Prasad, Laxmi, Prabhakar Singh, Ravi Kumar Asthana
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Non-ionic surfactant integrated ultrasonic pretreatment on food waste for biomethane production: Process optimization and its impact on solubilization Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-15 M.C. Eniyan, M. Edwin, J. Rajesh Banu
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Multi-mode solar photovoltaic energy utilization system for Plateau buildings in rural areas Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-14 Lijun Shi, Yanfeng Liu, Pengfei Si, Dengjia Wang, Zewei Pu, Yanhong Zhen, Jikang Jia, Xipeng Yuan, Yanming Liu
Traditional solar thermal systems with water as the heat transfer medium generally encounter the freezing and overheating problems, which significantly increases the operational and management challenges of the energy systems, especially for remote rural households under extremely cold climates in Qinghai-Tibet Plateau. In the present study, a novel photovoltaic-based off-grid energy supply system
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Hydrogen production from renewable energy resources: A case study Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-14 Gianpiero Colangelo, Gianluigi Spirto, Marco Milanese, Arturo de Risi
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Combustion model development of future DI engines for carbon emission reduction Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-14 Qihao Mei, Long Liu, Wang Yang, Yuanheng Tang
Application of low- and zero-carbon fuels is a prevailing trend to reduce engine emissions, while fuel direct injection (DI) is an important way. But the increasing fuel type diversity and injection strategy complexity are beyond the application scope of existing model-based prediction tools. To fill in the gaps, this study developed a unified turbulent mixing and combustion model applicable for various
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A novel combination of machine learning and intelligent optimization algorithm for modeling and optimization of green ammonia synthesis Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-14 Zhihua Deng, Lan Zhang, Bin Miao, Qinglin Liu, Zehua Pan, Weike Zhang, Ovi Lian Ding, Siew Hwa Chan
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Ex-situ Characterization of Nb-Ti Alloy/Pt Coated Stainless Steel Bipolar Plates for Proton Exchange Membrane Fuel Cells Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-13 Pramoth Varsan Madhavan, Samaneh Shahgaldi, Xianguo Li
Metallic bipolar plates are crucial for the development of compact and lightweight proton exchange membrane fuel cell stacks; however, most of them encounter durability and conductivity challenges in the fuel cell environment. In this study, Nb-Ti alloy/Pt coatings are deposited on SS316L plates to enhance corrosion resistance, surface wettability, electrical and thermal conductivity, with reduced
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Evaluating the techno-economic feasibility of hydrogen-fuelled reciprocating engines for renewable base-load power generation Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-12 Jiayi Li, Cheng Wang, Guanxiong Zhai, Qiyuan Li, Shen H. Lim, Shiva Abdoli, Sanghoon Kook, Guan H. Yeoh, Qing N. Chan
This study investigates the techno-economic feasibility of a photovoltaic power plant integrated with hydrogen energy storage and a dual-fuel reciprocating engine for gas-to-power and power-to-gas operations. The system is optimised for maximising constant grid supply, minimising CO emissions, and lowering the levelised cost of electricity (LCOE) to assess its value in future energy landscape. Multi-objective
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Enhanced generation of aromatic-enriched bio-oil from sewage sludge pyrolysis using zeolite-based catalysts under H2-rich conditions Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-11 Soheil Valizadeh, Behzad Valizadeh, Bo Sung Kang, Hanuel Shim, Young-Kwon Park
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Techno-economic assessment of hydrogen as a fuel for internal combustion engines and proton exchange membrane fuel cells on long haul applications Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-11 Rafael Lago Sari, Alvaro Fogue Robles, Javier Monsalve Serrano, David Cleary
Powertrain energy conversion and management are critical factors in providing affordable and robust solutions for transport decarbonization. Various powertrain technologies are being proposed to reduce the impacts of transportation-related carbon dioxide emissions, such as battery electric, fuel cell, and conventional vehicles running with lower carbon fuels. Specifically for the commercial sector
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A growth phase analysis on the influence of light intensity on microalgal stress and potential biofuel production Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-11 Ana F. Esteves, Eva M. Salgado, Vítor J.P. Vilar, Ana L. Gonçalves, José C.M. Pires
It is urgent to find alternatives to fossil fuels to mitigate the effects of climate change. High light intensity during microalgal growth can promote lipid and carbohydrate accumulation (feedstocks to biofuels). However, more research needs to be done concerning the effect of this factor on microalgal productivity and biochemical composition from a growth phase point of view. This study evaluated
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Pathways to hydrogen production through variable renewable energy capacity: A study of Mexico and Jamaica Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-11 A. Palacios, R. Koon Koon, P.M. Castro-Olivera, G. Miranda-Flores, L. Taylor, A. Córdova-Lizama
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Ethylene production processes in a carbon-neutral strategy Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-10 Wonho Jung, Jinwon Lee, Kyoung-Su Ha
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Numerical evaluation of low-head inverted cross-flow turbine design method: A comprehensive study Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-09 Sangwoo Ham, Ehsan Adeeb, Jeong Wan Lee, Hojin Ha
This study aimed to address the challenges of micro-hydropower generation in low-head environments to expand the proportion of hydropower in renewable energy and achieve a carbon neutrality policy. To achieve these goals, various factors affecting the micro-hydro systems, including geographical constraints, construction costs, and grid connectivity, were reviewed and assessed. The results concluded
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Dynamic life cycle assessment of European electricity generation based on a retrospective approach Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-09 Gabriel Naumann, Jacopo Famiglietti, Elke Schropp, Mario Motta, Matthias Gaderer
The composition of electricity varies significantly throughout the year. As a result, the environmental impact of the electricity mix is also highly variable. However, most LCA studies assume a static annual average electricity mix and neglect these fluctuations. Therefore, this study examines the time-varying environmental impacts of electricity generation in Germany, France, Italy, Spain, and Poland
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Integrated assessment of green hydrogen production in California: Life cycle Greenhouse gas Emissions, Techno-Economic Feasibility, and resource variability Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-09 Loiy Al-Ghussain, Mohammad Alrbai, Sameer Al-Dahidi, Zifeng Lu
This study explores green hydrogen production, focusing on life cycle assessment (LCA) and techno-economic feasibility; specifically, life cycle greenhouse gas emissions and hydrogen production cost. Existing literature lacks a comprehensive exploration of the impact of solar and wind resource variations, ambient conditions, and proton exchange membrane (PEM) electrolyzer sizing on the carbon intensity
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Numerical analysis and ANN performance prediction of solar composite ventilation wall for built environment regulation Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-09 Jian-Wei He, Zheng-Yu Shu, Ruo-Nan Huang, Zi-Quan Liu, Chang Huang, Yang Cai, Fu-Yun Zhao
With the aim to achieve winter heating, summer heat insulation and year-round power generation as well as indoor pollutant purification, photovoltaic (PV) combined with phase change heat storage technology is ingeniously embedded in an adjustable solar composite ventilation wall with entire room model (SPVW-PV/PCM) in this study. Then, the effects of key parameters e.g. PCM melting temperature and
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Optimal sizing and economic assessment of grid connected active distribution network for reliable rural electrification in India Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-09 Avinash Gaurav, Arjun Tyagi, S.K. Jha, Bhavnesh Kumar
Majority of rural areas in India have already been electrified, yet the disparity between demand and supply is considerably higher and broadened due to which nation’s rapid financial growth as well as rising standards of living in both the urban as well as rural areas. Hence, the utilisation of renewable resources is rising steadily for the mitigation of such energy crisis. It has become necessity
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Analysis of discharge performance and thermo-electric conversion efficiency in thermally regenerative ammonia-based flow battery with foam copper electrode Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Jiebo Yang, Qinghua Yu, Sheng Chen, Fuwu Yan, Yang Yu
This paper established a numerical model of mass transport and electrochemical reaction coupling in porous media of thermally regenerative ammonia-based flow battery with foam copper electrode (TRAFB-FCE) for the first time. The effects of the structural parameters of the foam copper electrode on the power density, energy density, discharge capacity, and active species distribution of the battery were
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Two-stage energy management framework of the cold ironing cooperative with renewable energy for ferry Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Nur Najihah Abu Bakar, Tayfun Uyanik, Yasin Arslanoglu, Juan C. Vasquez, Josep M. Guerrero
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Techno-economic assessment of renewable hydrogen production for mobility: A case study Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Alberto Pettinau, Davide Marotto, Federica Dessì, Francesca Ferrara
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A novel green methanol – heat cogeneration system based on municipal solid waste plasma gasification and coke oven gas: Energy, exergy, economic, and environmental assessment Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Bo Li, Heng Chen, Hongshan Wu, Gang Xu, Ying Sun, Lei Zhang, Xiuyan Wang
Burning municipal solid waste for disposal contributes significantly to atmospheric pollution. Utilizing municipal solid waste for green methanol production can alleviate environmental burdens. This study proposes a novel approach based on municipal solid waste plasma gasification, integrating coke oven gas catalytic reforming for green methanol synthesis. A comparative analysis is conducted against
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Enhanced hydrogen production through cracking of ammonia water using liquid plasma on titanate-based perovskite catalysts Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Sang-Chul Jung, Kyong-Hwan Chung
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Performance analysis of a battery thermal management system based on phase change materials with micro heat pipe arrays Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Zhaoyang He, Ruoming Li, Li Yang, Hrvoje Mikulčić, Jin Wang, Lidija Čuček
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Boosting carbon utilization efficiency for sustainable methanol production from biomass: Techno-economic and environmental analysis Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Leiyu Zhang, Ruxing Gao, Zongyue Tang, Chundong Zhang, Ki-Won Jun, Seok Ki Kim, Tiansheng Zhao, Hui Wan, Guofeng Guan
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Enhanced syngas production from CO2 reforming of biomass-derived glycerol: Influence of CaO.Al2O3 support composition on the catalytic performance of Ni-based catalysts Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-08 Zahra Pirzadi, Fereshteh Meshkani, Dai-Viet N. Vo
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Aerodynamic techniques to mitigate the 3D loss in the power coefficient of vertical axis wind turbines Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-06 Gerardo Madrigal Avalos, N. Rosado Hau, Roberto Quintal-Palomo, E.E. Ordóñez López, Mauricio Gamboa-Marrufo, M.A. Escalante Soberanis
The three-dimensional tip loss effect is a critical phenomenon affecting the performance of vertical-axis wind turbines. The vortices on the blades become more complex with the turbine rotation, most notable at the tips, leading to three-dimensional aerodynamic losses and decreasing the turbine power coefficient. Therefore, mitigating the aerodynamic losses at the tips could improve the technological
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Utilizing waste heat from data centers with adsorptive heat transformation – Heat exchanger design and choice of adsorbent Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-06 Andreas Velte-Schäfer, Christian Teicht, Maximilian Stahlhut, Thomas May, Ralph Herrmann, Thorsten Urbaneck, Gerrit Füldner
The electricity and water consumption of data centers is growing on a global scale. A shift towards liquid cooled racks in combination with thermally driven cooling can help to reduce the electricity and water demand associated with the necessary heat rejection. To quantify the potential of adsorptive heat transformation devices in reducing the electricity and water demand, the prediction of thermal
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Experimental assessment of the energy performance of a renewable air-cooling unit based on a dew-point indirect evaporative cooler and a desiccant wheel Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-06 María Jesús Romero-Lara, Francisco Comino, Manuel Ruiz de Adana
Given the escalating energy consumption in cities worldwide, it is crucial to investigate the utilization of sustainable technologies and renewable energy sources. The number of empirical studies on the energy performance of hybrid air-cooling systems is limited. Therefore, the objective of this work is to experimentally study the energy performance of a novel renewable air-cooling unit. This prototype
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Cross-dimensional multi-physics model and two-phase mass-transport enhancement for the hydrogen peroxide-based fuel cell Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-05 Rui Wang, Xue Zhou, Mingsheng Hao, Qiang Xu, Rongji Xu, Yinshi Li
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Enhancing fuel cell electric vehicle efficiency with TIP-EMS: A trainable integrated predictive energy management approach Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-04 Jingda Wu, Jiankun Peng, Menglin Li, Yue Wu
To enhance the energy efficiency of electrified vehicles (EVs), developing effective energy management strategies (EMS) for hybrid storage systems is essential. Predictive EMS (PEMS) that foresee future vehicle speeds have demonstrated substantial potential in boosting EMS performance. However, traditional PEMS models, employing a sequential approach of speed prediction followed by energy allocation
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Improving the energy efficiency of industrial radio frequency heat treatment by optimizing electrode sizes and reversal cycles Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-04 Dengwen Lei, Yanhong Liu, Yongkang Xie, Jiale Guo, Samir Mowafy, Guangfei Zhu, Lixuan Wei
Radio Frequency (RF) heating technology exhibits potential advantages in the heat treatment of bulky products. The influence of electrode size on the RF heating performance by the electric field distribution, electromagnetic loss density, and temperature distribution was evaluated. An electrode reversal device was developed, facilitating the cyclic reversal of the positive and negative electrodes and
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A multidisciplinary approach to select wind turbines for power-hydrogen production: Energy, exergy, economic, environmental under uncertainty prediction by artificial intelligence Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-04 Seyyed Shahabaddin Hosseini Dehshiri, Bahar Firoozabadi
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Full-spectrum solar energy utilization for green ammonia production via solid oxide electrolysis cell coupled with Haber-Bosch process Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-04 Liangrui Lin, Zihan Lin, Qi Xia, Huichong Qiu, Muhammad Sajid Khan, Weiya Jin, Chen Chen
Ammonia is an important chemical commodity that is widely used for fertilizer production. The production of ammonia contributes to 1.2 % of the global carbon dioxide emissions. Solar production of green ammonia from nitrogen and water is essential for reducing the carbon emission. In this study, a novel full-spectrum solar ammonia production system is developed by integrating the solar-driven solid
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Energy saving and flexibility analysis of combined heat and power systems integrating heat-power decoupling technologies in renewable energy accommodation Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-04 Guofeng Ma, Ming Liu, Zhu Wang, Yongliang Zhao, Chaoyang Wang, Junjie Yan
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A design of solar-driven thermochemical reactor integrated with heat recovery for continuous production of renewable fuels Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-04 Linyang Wei, Zhenhuan Li, Zhefei Pan, Zhi Yi, Guojun Li, Liang An
To cope with the increasingly serious energy crisis and environmental problems, the transformation from traditional energy to renewable energy is urgent. Solar-driven thermochemical conversion of CO and HO into renewable fuels technology provides a favorable path for alternative energy. However, the temperature/pressure swing required for the reduction and oxidation steps during thermochemical process
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Unveiling the catalytic performance of unique core-fibrous shell silica-lanthanum oxide with different nickel loadings for dry reforming of methane Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-03 Mohammed Mosaad Awad, Ijaz Hussain, Omer Ahmed Taialla, Saheed A. Ganiyu, Khalid Alhooshani
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Enhancing the economic viability and reliability of renewables based electricity supply through Power-to-Gas-to-Power with green hydrogen Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-03 Joungho Park, Sungho Kang, Sunwoo Kim, Hana Kim, Hyun-Seok Cho, Jay H. Lee
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Model predictive control-based energy management system for an isolated electro-thermal microgrid in the Amazon region of Ecuador Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-03 Diego Arcos–Aviles, Antonio Salazar, Mauricio Rodriguez, Wilmar Martinez, Francesc Guinjoan
Access to electricity is a fundamental key to developing countries' growth. Microgrids (MG) have become potential solutions to provide energy to isolated rural areas in a safe and environmentally friendly way. Therefore, proposals for alternative solutions to bridge the electrification gap in the Ecuadorian Amazon – which has the most significant percentage of its population without access to electricity
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Techno-economic analysis of chemical looping processes with biomass resources for energy production and CO2 utilization. Comparison of CLC and CLOU technologies Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-03 A. Cabello, A. Abad, M. de las Obras Loscertales, Y. Domingos, T. Mendiara
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Novel Hydrogen and Biomethanol Production From Pinecone Biomass Using an Integrated Steam Gasification System Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-03 Hilal Sayhan Akci Turgut, Ibrahim Dincer
This study develops a new biomass-based integrated energy system where a steam gasification process is considered for hydrogen and biomethanol production in a viable manner using woody bioresources from pinecones. The modeling and simulation studies are performed using both The Aspen Plus and Matlab software packages in a combined manner to practically investigate the integrated system's operating
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Theoretical and experimental investigations on liquid immersion cooling battery packs for electric vehicles based on analysis of battery heat generation characteristics Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-03 Xilei Wu, Yongjie Lu, Hongsheng Ouyang, Xinghai Ren, Jialiang Yang, Haowen Guo, Xiaohong Han, Cancan Zhang, Yuting Wu
With the increasingly severe challenges of the thermal management of battery packs for electric vehicles, the liquid immersion cooling technology has gradually attracted more attention due to its superior characteristics such as high heat dissipation efficiency, well temperature uniformity and low risk of thermal runaway. To investigate the heat transfer characteristics of the liquid immersion cooling
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Sustainable energy storage solutions for coal-fired power plants: A comparative study on the integration of liquid air energy storage and hydrogen energy storage systems Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-03 Tanumoy Banerjee, Julio Bravo, Nenad Sarunac, Mark D'Agostini, Carlos Romero
With the majority of the world's energy demand still reliant on fossil fuels, particularly coal, mitigating the substantial carbon dioxide (CO) emissions from coal-fired power plants is imperative for achieving a net-zero carbon future. Energy storage technologies offer a viable solution to provide better flexibility against load fluctuations and reduce the carbon footprint of coal-fired power plants
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Optimal sizing of standalone hybrid renewable energy system based on reliability indicator: A case study Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-02 Chetan Gusain, Uma Nangia, Madan Mohan Tripathi
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Investigation of nanoparticle (Fe3O4) addition to 3rd generation biodiesel (spirulina microalgae)/diesel mixture as an innovative fuel according to different engine variables: An RSM optimization Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-02 Samet USLU, Duraid F. MAKI, Ali Salam Khaleel AL-GBURI
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Inflatable Savonius wind turbine with rapid deployment and retrieval capability: Structure design and performance investigation Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-02 Junqi Lin, Xiansen Yang, Songyan Niu, Hang Yu, Jiahao Zhong, Linni Jian
Faced with the increasingly severe issue of the greenhouse effect, wind power emerges as a sustainable solution. However, the large size, heavy weight, and high risk associated with traditional wind turbines restrict their widespread deployment in urban, rural, and outdoor settings wasting a vast amount of untapped wind energy resources. To address these challenges, this paper proposes an inflatable
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Study on geothermal energy self-recycling extraction and ScCO2 storage in the horizontal well annuli with fracture network system Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-01 Zhipeng Wang, Zhengfu Ning, Wenting Guo, Jie Zhan, Zhangxin Chen
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Asymmetric reactors as an innovative approach for optimum microbial fuel cells performance Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-01 Bo Song, Qi Wang, Jafar Ali, Zhibin Wang, Lei Wang, Jiahe Wang, Jiaxin Li, Evgeni M. Glebov, Xuliang Zhuang
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Experimental investigation of the dynamic characteristic and performance improvement of kW-grade air-cooled fuel cells Energy Convers. Manag. (IF 10.4) Pub Date : 2024-05-01 Yuqi Qiu, Xiaoxia Ren, Caizhi Zhang, Gucheng Wang, Zhongbao Wei, Tao Zeng, Jun Li
Air-cooled proton exchange membrane fuel cells (AC-PEMFC) have wide applications due to their simple structure, and high efficiency. However, AC-PEMFC also needs effective methods to further improve the dynamic response and output power in the kW-grade power. Thus, this paper analyzed the dynamic characteristics and stability of the designed kW-grade AC-PEMFC at the beginning. Then, the effect of purging
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Sustainable upgrading of crude glycerol via ultrasound-reinforced bio-refinery process with oxygen–nitrogen subsistence: Co-application of reusable heterogeneous catalyst Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-30 Surachai Karnjanakom, Panya Maneechakr, Irwan Kurnia, Asep Bayu, Obie Farobie, Chanatip Samart, Suwadee Kongparakul, Guoqing Guan
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A new evolutionary forest model via incremental tree selection for short-term global solar irradiance forecasting under six various climatic zones Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-30 Naima El-Amarty, Manal Marzouq, Hakim El Fadili, Saad Dosse Bennani, Antonio Ruano, Abdelaziz Rabehi
The increasing integration of solar sources into the energy mix presents significant challenges, particularly in short-term energy management. Accurate solar irradiance forecasts can greatly assist solar power plant operators and energy network managers in making informed decisions about energy production and consumption. This paper aims to develop a new accurate forecasting model for short-term global
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Energy and dynamics analysis of a single plucking energy harvester for transient-motion-powered IoT applications Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-30 Xin Li, Xinyuan Chuai, Guobiao Hu, Daxing Zhang, Mingjing Cai, Congsi Wang, Yaowen Yang, Wei-Hsin Liao, Junrui Liang
This study focuses on a piezo-magneto-elastic structure comprising an economical piezoelectric cantilever and a magnet pair. It is designed for efficient mechanical energy harvesting to power a battery-free motion-sensing IoT system through plucking motions. We conduct a thorough analysis and parametric study to elucidate the energy and dynamic intricacies during operation, specifically under a single
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Performance improvement of the automotive thermoelectric generator by extending the hot side area of the heat exchanger through heat pipes Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-27 Ding Luo, Shuo Yang, Yuying Yan, Jin Cao, Bingyang Cao
In pursuit of enhancing the utilization of exhaust heat in the automotive thermoelectric generator (ATEG), this study introduces a novel heat exchanger with integrated heat pipes to extend the effective hot-side surface area. Meanwhile, a numerical model containing multiphysical fields is developed, and the quantity and arrangement of heat pipes are optimized based on this model. Results suggest that
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Enhancement of aerodynamic performance of Savonius wind turbine with airfoil-shaped blade for the urban application Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-27 Anh Dinh Le, Phuong Nguyen Thi Thu, Viet Ha Doan, Hung The Tran, Minh Duc Banh, Van-Thuan Truong
The present study introduces a novel rotor configuration with an airfoil-shaped blade, based on the low-speed high-lift FX74-CL5-140 airfoil, for enhancing the performance of the Savonius wind turbine for a practical application in urban areas. The preferment of the present design over the original one with a semicircular shape is confirmed by the sequence of unsteady two-dimensional (2D) numerical
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Harnessing energy from hand-shaking vibration for electronics through a magnetic rolling pendulum bistable energy harvester Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-27 Wei Wang, Baolin Li, Jianhui Wang, Bin Fang, Zilin Li, Shuangyan Liu, Ronghan Wei
Converting the kinetic energy of human movement into electricity provides a solution for the power supply of portable electronics for communication, medical treatment, positioning, search-and-rescue, etc. Due to the characteristics of high sensitivity and snap-through, a magnetic rolling pendulum bistable energy harvester (MRP-BEH) based on magnetic-spring mechanism is proposed for scavenging energy
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Numerical and experimental analysis of the combustion in a Single-Cylinder research engine with passive TJI pre-chamber operating with hydrated ethanol Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-27 Wender Pereira de Oliveira, Mateus Silva Mendonça, Nicholas Borges Chavda, Fernando Antônio Rodrigues Filho, José Guilherme Coelho Baeta
Advanced ignition systems, such as turbulent jet ignition, have the capacity to improve the combustion process of internal combustion engines, increasing fuel conversion efficiency and reducing emissions, especially when applied with ethanol biofuel. Technologies that take advantage of the local energy potential, taking into account the geographic, demographic and social characteristics of each country
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A novel electro-hydraulic unit design based on a shaftless integration of an internal gear machine and a permanent magnet electric machine Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-27 Federico Zappaterra, Dinghao Pan, Thomas Ransegnola, Andrea Vacca, Scott D. Sudhoff, Enrique Busquets
In recent years, increasingly stringent emission regulations have spurred an electrification trend in off-highway vehicle technology. To address challenges such as the high cost of power electronics components, limited battery capacity, and the substantial modifications required for the vehicles, there is a pressing need to develop high-speed, cost-effective, compact, and efficient electro-hydraulic
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Optimal environmental and economic performance trade-offs for fifth generation district heating and cooling network topologies with waste heat recovery Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-27 Michael D. Murphy, Amy Allen, Gregor P. Henze, Nicholas L. Long
Network topology greatly influences both the economic and environmental performance of fifth generation district heating and cooling (5GDHC) systems. In this study the optimal trade-offs between the environmental and economic performance of 5GDHC network topologies for a five-building district with waste heat recovery were explored. A life cycle assessment method was used to calculate the total life
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Performance assessment and optimisation of a concentric two-piston compressor system for hydrogen storage Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-26 Yi Guo, Qi Wang, Junhao Cao, Yuli Wang, Xueyuan Peng
The ionic compressor has a prospective application potential for the conversion of mechanical energy into internal energy in high-pressure hydrogen as the ionic liquid can separate the metal piston and the hydrogen gas. The sloshing of the liquid inside is inevitable in such a liquid piston compressor, which has an impact on the specific energy consumption of the hydrogen compression. The thermofluid
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A novel scenario generation and forecasting method for multiple future states at source side based on combinatorial models Energy Convers. Manag. (IF 10.4) Pub Date : 2024-04-26 Shunjiang Wang, Zihan Li, Jia Cui, Kun Xu, Ximing Zhang, Jingbo Huang, Chaoran Li
This paper proposes a novel method for scenario generation and scenario forecasting considering wind-photovoltaic-hydro-thermal power sources. With the rapid development and application prospects of energy internet and grid modernization, accurate source-side multiple output modeling and forecasting is essential to observe and estimate the multiple curves. It is becoming more and more important to