Impacts of partial-load service on energy, exergy, environmental and economic performances of low-temperature compressed air energy storage …
An energy analysis of the off-design operation of a low-temperature adiabatic compressed air energy storage system has recently been presented. However, it is still unknown how the partial-load operation of this system could affect its exergy parameters, economic feasibility, and environmental impacts.
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Micro-scale trigenerative compressed air energy storage system: Modeling and parametric optimization study …
They proposed a patented constant-pressure compressed air energy storage (CAES) system combined with pumped hydro storage [32]. Mazloum et al. [33] proposed an innovative constant isobaric A-CAES including multistage adiabatic compression and expansion which achieved a round trip electrical efficiency of 53.6%.
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Performance analysis of compressed air energy …
The compressed air storage connects charging and discharging process and plays a significant role on performance of Adiabatic Compressed Air Energy Storage (A-CAES) system. In this paper, a thermodynamic model …
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Study on the thermodynamic performance of a coupled compressed air energy storage system in a coal-fired power …
ShengWei Mei [12] et al. proposed the nonsupplementary fired compressed air energy storage (NFCAES) system, which uses multistage regenerative heat to fully use the heat generated by compressed air. On this basis, the researchers build a 500-kW CAES physical simulation system, improving the system efficiency and …
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Dynamic analysis of a low-temperature Adiabatic Compressed Air Energy ...
In this paper, the dynamic performance of the low-temperature A-CAES system is evaluated using the same compression mass flow rate, cavern storage pressure, and cavern volume as the Huntorf plant and suggested parameter values from the literature (Luo et al., 2016).Table 4, Table 5 list the operating parameters and the physical …
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Applied Energy
Several energy storage systems currently exist and present a large range of power output and stored energy capacity. Among them, pumped hydro energy storage (PHES) and compressed air energy storage (CAES) are the only two systems capable of delivering several hours of power at a plant-level output scale [2] over decades, as …
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Performance investigation of a wave-driven compressed air energy ...
Patil et al. [31] designed an ocean-compressed air energy storage (OCAES) system that uses ocean energy to drive a pump to compress air and store energy. Those studies and their potential industrial applications pave the way for further research for efficient and feasible CAES systems. ... The inertial force coefficient has …
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Study on the thermodynamic performance of a coupled …
The energy utilization coefficient has decreased by 1.124 %, with a return water temperature of 120 C, and 1.366 %, with a return water temperature of 70 C, due to …
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Compressed Air Energy Storage
Compressed air energy storage (CAES) is the use of compressed air to store energy for use at a later time when required [41–45]. Excess energy generated from renewable …
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Thermal-mechanical coefficient analysis of adiabatic compressor …
Compressed air energy storage (CAES) technology can play an important role in large-scale utilization of renewable energy, the peak shaving and valley filling of power …
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Thermal-mechanical coefficient analysis of adiabatic compressor …
Compressed air energy storage (CAES) technology can play an important role in large-scale utilization of renewable energy, the peak shaving and valley filling of power system, and distributed energy system development. Multi-stage compression and expansion units are key components in CAES systems, while the two key processes exist …
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Numerical study of heterogeneous condensation in the de Laval nozzle to guide the compressor performance optimization in a compressed air energy ...
Grid 4 is applied to check the condensation models. The GY, FS, YO, PW, blend models have been calculated, and Fig. 4 shows the difference between numerical results and experiential data [50] om Fig. 4, the results can be concluded that the condensation wave appears in the HK, GY, FS, YO, Blend models, as same to the PW …
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Thermal-mechanical coefficient analysis of adiabatic compressor …
The results show that the EEBRs of pumped storage and compressed air energy storage under peak load shaving condition and flywheel energy storage under …
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Thermal-mechanical coefficient analysis of adiabatic compressor …
Compressed air energy storage (CAES) technology can play an important role in large-scale utilization of renewable energy, the peak shaving and valley filling of power system, …
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Performance Analysis of Distributed Compressed Air Energy Storage under Different Air Storage …
convective heat transfer coefficient of the air storage device has an impact on the system''s overall effectiveness [15]. Overall, to address the challenges brought by geogra phical, climate, and ...
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Design Strategy of Diagonal Compressors in Compressed Air Energy Storage …
As a kind of large-scale physical energy storage, compressed air energy storage (CAES) plays an important role in the construction of more efficient energy system based on renewable energy in the future. Compared with traditional industrial compressors, the compressor of CAES has higher off-design performance requirements. From the …
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Compressed Air Energy Storage: State Space Modeling and Performance Analysis …
Abstract. Compressed Air Energy Storage (CAES) has been touted as the next generation bulk storage technology that is capable of effectively addressing the wind variability issue, and provide ...
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Thermodynamic analysis of isothermal compressed air energy storage …
He et al. proposed that the open type isothermal compressed air energy storage (OI-CAES) device was applied to achieve near-isothermal compression of air. This study investigated the effect of tank height, tank volume and flow rate of the pump unit on parameters such as air temperature, water temperature and air pressure inside the tank …
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Performance Analysis and Optimization of Compressed Air Energy Storage ...
Recovering compression waste heat using latent thermal energy storage (LTES) is a promising method to enhance the round-trip efficiency of compressed air energy storage (CAES) systems. In this study, a systematic thermodynamic model coupled with a concentric diffusion heat transfer model of the cylindrical packed-bed LTES is …
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Comprehensive exergy analysis of the dynamic process of compressed air ...
Compressed air energy storage (CAES) system with low-temperature thermal energy storage (TES) has advantages of profitability and start-up characteristics in the field of electrical energy storage, and many CAES pilot plants have been built in China.
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Water spray heat transfer gas compression for compressed air energy ...
Compressed air energy storage technology has the advantages of large energy storage scale, long life, and pollution-free [6]. Fig. 2 shows the comparison of energy storage scale and output power of various energy storage methods. In 1948, the concept of compressed air energy storage was first proposed. However, the traditional …
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Performance investigation of a wave-driven compressed air energy storage …
Abstract. The intermittent nature of waves causes a mismatch between the energy supply and demand. Hence an energy storage system is essential in the utilization of wave energy. This paper proposes a novel wave-driven compressed air energy storage (W-CAES) system that combines a heaving buoy wave energy …
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Stability Analysis on Large-Scale Adiabatic Compressed Air Energy ...
In order to achieve the goal of "peak carbon dioxide emissions by 2030 and achieve carbon neutrality by 2060", China has formulated a series of policies to active the commercial use of renewable energy technologies [] 2022, the proportion of non-fossil energy in primary energy consumption in China is 17.5%, and it is expected to be 25% …
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Thermo-economic optimization of an artificial cavern compressed air energy storage …
Specifically, pumped hydro energy storage and compressed air energy storage (CAES) are growing rapidly because of their suitability for large-scale deployment [7]. More importantly, the CAES technology stands out for its fewer geographic constraints, fast response time and low-cost investment [ 8 ].
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Thermodynamic of a novel advanced adiabatic compressed air energy storage …
In order to increase the cycle efficiency of compressed air energy storage, a novel advanced adiabatic compressed air energy storage system with variable pressure ratio based on organic Rankine cycle is presented. The thermodynamic model of the system is established and used to calculate the thermodynamic …
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Water spray heat transfer gas compression for compressed air energy …
When the compressed air temperature in the cylinder is used for calculation, it can be considered as: (19) T a = C r T a 1 + ( 1 − C r) T a 2. The water mist absorbs the heat of the air and uses it to heat up and evaporate. The total heat balance equation of the water mist is: (20) d Q x = L d M u w + d Q s.
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Thermodynamic analysis of a typical compressed air energy …
Transient thermodynamic modeling and economic analysis of an adiabatic compressed air energy storage (A-CAES) based on cascade packed bed thermal …
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Experimental Research on the Output Performance of Scroll Compressor for Micro Scale Compressed Air Energy Storage …
Micro compressed air energy storage systems are a research hotspot in the field of compressed air energy storage technology. Compressors and expanders are the core equipment for energy conversion, and their performance has a significant impact on the performance of the entire compressed air energy storage system. Scroll …
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Multi-perspective analysis of adiabatic compressed air energy storage system with cascaded packed bed latent heat storage …
1 · Fig. 1 represents the flowchart of an A-CAES system. During the off-peak period, the compressors at each stage receive the power to compress the air. The orange arrows in Fig. 1 represent the distribution of power from the electrical system directly towards the high temperature heat storage system (HTES). ...
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Thermodynamic analysis of isothermal compressed air energy storage ...
Droplets spraying and liquid pistons are included in direct heat transfer technology, which are one of the most common methods. The offshore compressed air energy storage (O-CAES) system near the saline layer was studied by Jeffrey A. Bennett et al., as shown in Fig. 1. The system achieves isothermal compression/expansion by …
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Study on the thermodynamic performance of a coupled compressed air ...
The energy utilization coefficient has decreased by 1.124 %, with a return water temperature of 120 °C, and 1.366 %, with a return water temperature of 70 °C, due to the need for power grid transmission during the energy storage stage to drive the compressor to compress air, which achieves the function of absorbing renewable …
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