Article
Energy & Fuels
Xingping Shi, Jintao Song, Qing He, Yixue Liu, Hailun Fu, Shuangshuang Cui
Summary: A novel liquefied air energy storage (LAES) system with coupled Rankine cycle and seawater desalination is proposed to improve its round-trip efficiency by energy cascade utilization. The thermodynamic model of the coupled system is established and its technical advantages are investigated, including system energy efficiency, exergy efficiency, round-trip efficiency, and desalination. The results show significant improvement in energy efficiency, exergy efficiency, and round-trip efficiency, as well as the capability to produce a large amount of fresh water.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Thermodynamics
Hailun Fu, Qing He, Jintao Song, Xinping Shi, Yinping Hao, Dongmei Du, Wenyi Liu
Summary: A novel advanced adiabatic compressed air energy storage system based on organic Rankine cycle with variable pressure ratio is proposed to increase cycle efficiency. The system shows a significant reduction in compression process power consumption and an increase in expander output power, leading to a higher cycle efficiency.
Article
Thermodynamics
Ahmad Zarei, Saeed Akhavan, Marzie Babaie Rabiee, Sohail Elahi
Summary: This study explores a novel polygeneration system powered by two solar sources and investigates the impact of various parameters on system performance using thermodynamic and economic analysis. The results demonstrate variations in energy efficiency among different refrigerants, and indicate a payback period of 6.4 years for the system.
APPLIED THERMAL ENGINEERING
(2021)
Article
Thermodynamics
Shiyang Teng, Huan Xi
Summary: This paper proposes a novel CAES system with a vortex tube, verifies the feasibility of the vortex tube in the system through experiments, and establishes the thermodynamic model of the system. Through performance evaluation and parameter analysis, it is found that the power efficiency and energy efficiency of the system increase with the temperature.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Energy & Fuels
Yuxing Ding, Olumide Olumayegun, Yue Chai, Yurong Liu, Meihong Wang
Summary: This study proposed a novel combined cooling, heating and power system that improves the round-trip efficiency of the compressed air energy storage (CAES) system. Through the recovery of waste heat and the provision of cooling capacity, the proposed system showed higher electrical energy output and improved efficiency compared to commercially deployed CAES systems.
Article
Thermodynamics
Dogan Erdemir, Ibrahim Dincer
Summary: The aim of this study was to investigate the development of compressed air energy storage for off-peak electricity storage and heat recovery options. Three different case scenarios were considered and evaluated. The results showed that heat recovery during the air compression process has significant potential to improve system performance. The inclusion of heat storage in the developed systems provided opportunities for later use. The energy efficiencies for the three cases were determined to be 30.09%, 44.92%, and 33.21%, respectively, for a 12-hour charging period and a 6-hour discharging period.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2023)
Article
Thermodynamics
Ali Erdogan Karaca, Ibrahim Dincer, Michael Nitefor
Summary: This study proposes an integrated solar and wind-driven energy system for a sustainable community in Antigua and Barbuda. The system aims to provide the community with electrical energy and freshwater from renewable resources, replacing the current imported heavy fuel oil-based energy supply. Mechanical storage and waste heat recovery techniques are utilized to improve system efficiency. The proposed system can generate 365 GWh of electrical energy annually, produce 376 tons of fresh water, and potentially fuel 168 pneumatic vehicles daily. The overall energetic and exergetic efficiencies of the integrated system are 62.8% and 48.5%, respectively.
Article
Energy & Fuels
Mohammad Marefati, Mehdi Mehrpooya, Fathollah Pourfayaz
Summary: The research focuses on the performance study of a new energy storage system that combines Pumped-Hydro and Compressed-Air storage system with organic Rankine cycle and Linear Fresnel solar reflector. The study examines the impact of key parameters on process operation, storage system efficiency, and energy requirements for different processes. Results show that the isentropic process requires less solar collector area compared to the isothermal process, while the system storage efficiency is 60%.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Thermodynamics
Hye Rim Kim, Tong Seop Kim
Summary: This study investigated the combination of compressed air energy storage systems (CAESs) and a gas turbine (GT), considering various design factors. Different integration scenarios were evaluated, and the best scenario was obtained through optimization. The combination of conventional CAES and GT was undesirable, while adiabatic CAES or regenerative adiabatic CAES performed better than standalone operation. The study provides the best synergistic integration between CAES and GT, considering different integration scenarios.
APPLIED THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Mohamed A. Hamouda, Mostafa F. Shaaban, Mohamed A. Sharaf Eldean, Hassan E. S. Fath, Mayyada Al Bardan
Summary: This paper presents a technoeconomic assessment of a solar-driven co-generation system for water production and power generation. The results reveal that utilizing waste heat for multistage flash desalination can achieve lower costs, water price, and CO2 emissions.
APPLIED THERMAL ENGINEERING
(2022)
Article
Energy & Fuels
Mehdi Jalili, Mostafa Sedighizadeh, Alireza Sheikhi Fini
Summary: This paper investigates the optimization model for energy hub in a microgrid, aiming to minimize operational and environmental costs, manage dispatchable and nondispatchable generations, as well as energy storage systems under various technical constraints. The study shows that using a novel solar-powered compressed air energy storage system can improve the efficiency of energy hub operation and reduce environmental costs.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Thermodynamics
Sylwia Kruk-Gotzman, Pawel Ziolkowski, Iliya Iliev, Gabriel-Paul Negreanu, Janusz Badur
Summary: As the share of renewable energy sources in the power system continues to increase, conventional power plants are being required to have more operational flexibility. One way to achieve this is by integrating the power plant with energy storage facilities, which can help minimize shutdowns and reduce generating costs and CO2 emissions.
Article
Thermodynamics
Xingqi Ding, Liqiang Duan, Yufei Zhou, Chao Gao, Yongsheng Bao
Summary: Liquid air energy storage (LAES) coupled with solar heat and organic Rankine cycle (LAES-S-O) improves the energy storage density and round trip efficiency. The new system outperforms the traditional T-LAES system in terms of performance indicators such as round trip efficiency, exergy efficiency, payback period, levelized cost of electricity, and net present value over a 30-year period.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Green & Sustainable Science & Technology
Shadi Bashiri Mousavi, Pouria Ahmadi, Ali Pourahmadiyan, Pedram Hanafizadeh
Summary: The study presents a new system integrating CAES and ORC, utilizing geothermal and solar energy as green thermal sources. Energy, exergy, and exergoeconomic analyses were applied to evaluate performance, along with parametric analysis and multi-objective optimization. Results show that the solar collector unit contributes the most to exergy destruction, with the system capable of producing power and hot water at desired efficiencies and cost rates through optimization.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Energy & Fuels
J. Nondy, T. K. Gogoi
Summary: The study presents optimal performances of two combined cooling, heating, and power systems using energy, exergy, exergoeconomic, and environmental analyses. Parametric analysis determined the impact of key operating conditions, followed by a tri-objective optimization and multi-criteria decision analysis. The optimization improved energy and exergy efficiencies and decreased total cost rate.
Article
Thermodynamics
Pengcheng Zhao, Jingang Wang, Liming Sun, Yun Li, Haiting Xia, Wei He
Summary: The production of green hydrogen through water electrolysis is crucial for renewable energy utilization and decarbonization. This research explores the optimal electrode configuration and system design of compactly-assembled industrial electrolyzer. The findings provide valuable insights for industrial application of water electrolysis equipment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
V. Baiju, P. Abhishek, S. Harikrishnan
Summary: Thermally driven adsorption desalination systems (ADS) have gained attention as an eco-friendly solution for water scarcity. However, they face challenges related to low water productivity and scalability. To overcome these challenges, integrating ADS with other desalination technologies can create a small-scale hybrid system. This study proposes integrating ADS with a Thermo Electric Dehumidification (TED) unit to enhance its performance.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
C. X. He, Y. H. Liu, X. Y. Huang, S. B. Wan, Q. Chen, J. Sun, T. S. Zhao
Summary: A decentralized centroid multi-path RC network model is constructed to improve the temperature prediction accuracy compared to traditional RC models. By incorporating multiple heat flow paths and decentralizing thermal capacity, a more accurate prediction is achieved.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chaoying Li, Meng Wang, Nana Li, Di Gu, Chao Yan, Dandan Yuan, Hong Jiang, Baohui Wang, Xirui Wang
Summary: There is an urgent need to shift away from heavy dependence on fossil fuels and embrace renewable energy sources, particularly in the energy-intensive oil refining process. This study presents an innovative concept called the Solar Oil Refinery, which applies solar energy in oil refining. A solar multi-energies-driven hybrid chemical oil refining system that utilizes solar pyrolysis and electrolysis has been developed, significantly improving solar utilization efficiency, cracking rate, and hydrogen yield.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chao Ma, Guanghui Wang, Dingbiao Wang, Xu Peng, Yushen Yang, Xinxin Liu, Chongrui Yang, Jiaheng Chen
Summary: This study proposes a bio-inspired fish-tail wind rotor to improve the wind power efficiency of the traditional Savonius rotor. Through transient simulations and orthogonal experiments, the key factors affecting the performance are identified. A response surface model is constructed to optimize the power coefficient, resulting in an improvement of 9.4% and 6.6% compared to the Savonius rotor.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sina Bahmanziari, Abbas-Ali Zamani
Summary: This paper proposes a new framework for improving electrical energy harvesting from piezoelectric smart tiles through a combination of magnetic plucking, mechanical impact, and mechanical vibration force mechanisms. Experimental results demonstrate a significant increase in energy yield and average energy harvesting time compared to other mechanisms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Nanjiang Dong, Tao Zhang, Rui Wang
Summary: This study establishes a multiobjective mixed-variable configuration optimization model for a comprehensive combined cooling, heating, and power energy system, and proposes an efficient generating operator to optimize this model. The experimental results show that the proposed algorithm performs better than other state-of-the-art algorithms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Ahmed E. Mansy, Eman A. El Desouky, Tarek H. Taha, M. A. Abu-Saied, Hamada El-Gendi, Ranya A. Amer, Zhen-Yu Tian
Summary: This study aims to convert office paper waste into bioethanol through a sustainable pathway. The results show that physiochemical and enzymatic hydrolysis of the waste can yield a high glucose concentration. The optimal conditions were determined using the Box-Behnken design, and a blended membrane was used for ethanol purification.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sven Klute, Marcus Budt, Mathias van Beek, Christian Doetsch
Summary: Heat pumps are crucial for decarbonizing heat supply, and steam generating heat pumps have the potential to decarbonize the industrial sector. This paper presents the current state, technical and economic data, and modeling principles of steam generating heat pumps.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Le Zhang, To-Hung Tsui, Yen Wah Tong, Pruk Aggarangsi, Ronghou Liu
Summary: This study investigates the effectiveness of a current-carrying-coil-based magnetic field in promoting anaerobic digestion of chicken manure. The results show that the applied magnetic field increases methane yield, decreases carbon dioxide production, and reduces the concentration of ammonia nitrogen. Microbial community analysis reveals the enrichment of certain methanogenic genera and enhanced metabolic pathways. Pilot-scale experiments confirm the technical effectiveness of the magnetic field assistance in enhancing anaerobic digestion of chicken manure.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Bo Chen, Ruiqing Ma, Yang Zhou, Rui Ma, Wentao Jiang, Fan Yang
Summary: This paper presents an advanced energy management strategy for fuel cell hybrid electric heavy-duty vehicles, focusing on speed planning and energy allocation. By utilizing predictive co-optimization control, this strategy ensures safe inter-vehicle distance and minimizes energy demand. Simulation results demonstrate the effectiveness of the proposed method in reducing fuel cell degradation cost and overall operation cost.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Fabio Fatigati, Roberto Cipollone
Summary: Organic Rankine Cycle-based microcogeneration systems that use solar sources to generate electricity and hot water can help reduce CO2 emissions in residential energy-intensive sectors. The adoption of a recuperative heat exchanger in these systems improves efficiency, reduces thermal power requirements, and saves on electricity costs.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Lipeng He, Renwen Liu, Xuejin Liu, Xiaotian Zheng, Limin Zhang, Jieqiong Lin
Summary: This research proposes a piezoelectric-electromagnetic hybrid energy harvester (PEHEH) for low-frequency wave motion and self-sensing wave environment monitoring. The PEHEH shows promising power output and the ability to self-power and self-sense the wave environment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Shangling Chu, Yang Liu, Zipeng Xu, Heng Zhang, Haiping Chen, Dan Gao
Summary: This paper studies a distributed energy system integrated with solar and natural gas, analyzes the impact of different parameters on its energy utilization and emissions reduction, and obtains the optimal solution through an optimization algorithm. The results show that compared to traditional separation production systems, this integrated system achieves higher energy utilization and greater reduction in carbon emissions.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Qingpu Li, Yaqi Ding, Guangming Chen, Yongmei Xuan, Neng Gao, Nian Li, Xinyue Hao
Summary: This paper proposes and studies a piston-type thermally-driven pump with a structure similar to a linear compressor, aiming to eliminate the high-quality energy consumption of existing pumps and replace mechanical pumps. The coupling mechanism of working fluid flow and element dimension is analyzed based on force analysis, and experimental data analysis is used to determine the pump operation stroke. Theoretical simulation is conducted to analyze the correlation mechanism of the piston assembly. The research shows that the thermally-driven pump can greatly reduce power consumption and has potential for industrial applications.
ENERGY CONVERSION AND MANAGEMENT
(2024)