1.2 Thermal-storage-system materials and performance. Some advances have been made in the research of high-temperature heat-storage materials based on carbon [33, 34].This article uses carbon-based high-temperature TES materials, which have the following characteristics: (i) good thermal-storage and heat-conduction capabilities (as shown in Fig. 2);
Pumped thermal-liquid air energy storage (PTLAES) is a novel energy storage technology that combines pumped thermal- and liquid air energy storage and eliminates the need for cold storage. However, existing studies on this system are all based on steady-state assumption, lacking dynamic analysis and optimization to better understand the system''s performance under cyclic
In this paper we investigated the dynamic performance of a specific Adiabatic Compressed Air Energy Storage (A-CAES) plant with packed bed thermal energy storage (TES). We developed for the first time a plant model that blends together algebraic and differential sub-models detailing the transient features of the thermal storage, the
The selection principles for diverse timescales models of the various energy storage system models to solve different analysis of the power system with energy storage systems are discussed. The implementation methods for existing solutions to multi-timescale simulation enabling effective analysis of behaviours resulting for the coupling of multiple
The paper establishes a dynamic model of advanced adiabatic compressed air energy storage (AA-CAES) considering multi-timescale dynamic characteristics, interaction of variable operating conditions and multivariate coordinated control.
The selection principles for diverse timescales models of the various energy storage system models to solve different analysis of the power system with energy storage
Based on Kushnir''s study and some hypotheses, the mathematical model of compressed air energy storage in aquifer is established in this paper. Then, taking 3 MW energy storage scale as an example, the energy storage model of underground aquifer with buried depth of 800m in horizontal stratum is established by using numerical
Wang et al. [25] researched these energy reuse technologies and proposed a novel pumped thermal-LAES system with an RTE between 58.7 % and 63.8 % and an energy storage density of 107.6 kWh/m3 when basalt is used as a heat storage material. Liu et al. [26] analyzed, optimized and compared seven cold energy recovery schemes in a standalone LAES system, and the
A thermodynamic model is developed to investigate the effect of heat storage temperature on the high-temperature thermal energy storage system, evaluate system exergy efficiency, exergy destruction, and analysis the impact of ambient temperature, inlet temperature, and inlet pressure of the air turbine on the system''s performance. The key findings of this
System Mingyu Zhu-Performance Analysis of Distributed Compressed Air Energy Storage under Different Air Storage Chamber Models Kangxiang Wang, Chuang Zhu, Xili Du et al.-Characteristic analysis of compressed air energy storage system based on intermediate cooling Huan Sun, Haorong Xu, Xinbo Teng et al.-This content was downloaded from IP address 52.167.144.15
Based on Kushnir''s study and some hypotheses, the mathematical model of compressed air energy storage in aquifer is established in this paper. Then, taking 3 MW
In this paper, the role of energy storage in the power network will be first discussed, to provide market context and identify key performance metrics. The LAES is then described, in par
Abstract: Compressed air energy storage technology has outstanding advantages in integrating new energy. It is of great significance to model and study the start-up phase dynamic characteristics of the compression side. A dynamic simulation model for the compression side based on the principles of mass conservation, energy conservation, and
Many pumped hydro compressed air energy storage systems suffer from large head variations in the hydraulic machinery. To address this defect, this study proposes a multi-machine compensable pumped hydro compressed air energy storage system and reveals its operational, energy, exergy, and economic performances. First, the energy, exergy, and
Compressed air energy storage in aquifers (CAESA) is a low-cost large-scale energy storage technology. To study the mechanical influence of the reservoir on CAESA, a coupled nonlinear wellbore multiphase flow and thermo-hydro-mechanical simulator, THMW-Air, is developed and verified to be effective using data from the pilot CAESA project in Pittsfield.
In this paper, the role of energy storage in the power network will be first discussed, to provide market context and identify key performance metrics. The LAES is then described, in par-ticular the role of the thermal store in delivering simul-taneously
The simulation results show that under the condition of the high mass flow rate, the pressure of the air storage chamber can be increased by 8.29 MPa, and the temperature can be increased by 82 °C. The research results provide a theoretical basis for the system design of distributed compressed air energy storage.
Abstract: Compressed air energy storage technology has outstanding advantages in integrating new energy. It is of great significance to model and study the start-up phase dynamic
This study proposes a novel design framework for a hybrid energy system comprised of CAES system, gas turbine, and high-temperature solid oxide fuel cells, aiming
Principles for choosing suitable model methods targeting different purposes for CAES system have been described, and a novel data-driven dynamic simulation approach for the complex
System performance for different AST placement methods is analyzed through numerical simulations integrated with the thermodynamic model of advanced adiabatic compressed air energy storage (AA-CAES). An in-depth study examines the impact of key system parameters on system performance with different AST configurations.
Principles for choosing suitable model methods targeting different purposes for CAES system have been described, and a novel data-driven dynamic simulation approach for the complex system is demonstrated. The result shows that the data-driven simulation approach can reduce computational cost sharply and may help build CAES system-level real
Compressed air energy storage (CAES) has emerged as one of the most promising large-scale energy storage technologies owing to its considerable energy storage capacity, prolonged storage duration, high energy storage efficiency, and comparatively cost-effective investment [[1], [2], [3]]. Meanwhile, the coupling study of CAES system with other
The simulation results show that under the condition of the high mass flow rate, the pressure of the air storage chamber can be increased by 8.29 MPa, and the temperature
In this paper we investigated the dynamic performance of a specific Adiabatic Compressed Air Energy Storage (A-CAES) plant with packed bed thermal energy storage
This study proposes a novel design framework for a hybrid energy system comprised of CAES system, gas turbine, and high-temperature solid oxide fuel cells, aiming for power generation and energy storage solutions.
System performance for different AST placement methods is analyzed through numerical simulations integrated with the thermodynamic model of advanced adiabatic compressed air energy storage (AA-CAES). An in
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