centrifugal energy storage
Numerical study on the influence of shroud cavity in the high-pressure centrifugal compressor for compressed air energy storage …
As a key energy equipment of the compressed air energy storage (CAES) system, the centrifugal compressor with shroud cavity is employed to avoid the leakage flow from the rotor, especially in the ...
Solid-liquid multiphase flow and erosion characteristics of a centrifugal pump in the energy storage …
In the wind-solar-water-storage integration system, researchers found that the high sediment content of rivers has a significant impact on the operation of centrifugal pump in energy storage pump station. Particularly in China, most rivers have high sediment content [3], and the total sediment transport of major rivers is 477 million tons in 2020.
Experimental and numerical investigation on off-design performance of a high-pressure centrifugal compressor in compressed air energy storage ...
The author successfully built the first high-pressure centrifugal compressor (HPCC) test rig used in the compressed air energy storage (CAES). • To explore the off-design performance of the HPCC, the experiments on the AIGVs, ARS and AIP are carried out.
Flow characteristics of impeller backside cavity and its effects on the centrifugal compressor for compressed air energy storage …
Electrical Energy Storage (EES) is recognized as underpinning technologies to have great potential in meeting these challenges, whereby energy is stored in a certain state, according to the ...
Thermodynamic investigation of the secondary flow inside centrifugal compressor for compressed air energy storage …
Energy storage is a key technology for energy revolution in the 21st century, which can make up for the instability and intermittent of renewable energy resource [1,2]. Therefore, the energy storage system plays the indispensable role in achieving the carbon peaking and carbon neutrality.
Numerical study on the influence of shroud cavity in the high-pressure centrifugal compressor for compressed air energy storage …
Numerical study on the influence of shroud cavity in the high-pressure centrifugal compressor for compressed air energy storage system Chong Meng 1,2, Zhitao Zuo 1,2,3,4,5, Jianting Sun 1,3, Qi Liang 1,3, Wenbin …
Experimental investigation on off-design performance and adjustment strategies of the centrifugal compressor in compressed air energy storage ...
1. Introduction The compressed air energy storage (CAES) is a large-scale and long-term energy storage technology. It has important application value in the area of electricity peak-shaving, energy management, renewable energy generation and distribution systems [1], [2], [3]..
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Application of the multi-stage centrifugal compressor 1D loss model in the adiabatic compressed air energy storage …
The S-CO2 centrifugal compressor is less restricted from a structural integrity issue because it has low relative Mach number regardless of the low sound speed near critical point (Tc = 304.11 K ...
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[PDF] Energy-saving potential for centrifugal pump storage …
A law for identifying and estimation potential energy savings is developed and four use cases are analyzed with this law, showing that for a cost-minimal operation, not only the savings potential but also the operating time is decisive. In this paper, we present the energy-saving potential of using optimized control for centrifugal pump–driven water …
Design of a Centrifugal Compressor with Low Solidity Vaned Diffuser (LSVD) for Large-Scale Compressed Air Energy Storage …
A centrifugal compressor aerodynamic component optimization design system was established with the three-dimensional blade optimization design method based on neural network and genetic optimization algorithm, and a validation was done by redesigning the Krain-Impeller to get better performance. Compressed Air Energy …
Application of the multi-stage centrifugal compressor 1D loss model in the adiabatic compressed air energy storage …
DOI: 10.1016/j.enconman.2023.116908 Corpus ID: 257588586 Application of the multi-stage centrifugal compressor 1D loss model in the adiabatic compressed air energy storage @article{Ma2023ApplicationOT, title={Application of the multi-stage centrifugal ...
A novel method for work capacity calculation of centrifugal compressor impellers in energy storage …
DOI: 10.1016/j.egyr.2022.10.118 Corpus ID: 253209488 A novel method for work capacity calculation of centrifugal compressor impellers in energy storage systems @article{Han2022ANM, title={A novel method for work capacity calculation of …
Experiment on cavitation-vibration correlation of a centrifugal pump under steady state and start-up conditions in energy storage …
Centrifugal pump is widely used as a storage pump in energy storage station, and its cavitation phenomenon in start-up and shut-off processes can lead to vibration, which is crucial for the stability and safety of operations. In this work, a synchronous experimental ...
Solid-liquid multiphase flow and erosion characteristics of a centrifugal pump in the energy storage …
However, sever erosion of centrifugal pump, which is caused by the high sediment content of rivers, will poses a serious threat to the safe and economic operation of the energy storage pump station. Therefore, it is of great significance to carry out the high precision prediction of pump erosion and reveal the influence of different factors on erosion.
High-Performance Stretchable Supercapacitors Based on Centrifugal …
Stretchable supercapacitors (S-SCs) are of considerable interest as prospective energy-storage devices for wearable electronics and smart products. However, achieving high energy density and stable output under large deformations remains an urgent challenge. Here, we develop a high-performance S-SC based on a robust …
Flow characteristics of impeller backside cavity and its effects on the centrifugal compressor for compressed air energy storage …
paper numerically calculates all mainstream channels coupled impeller backside cavity (IBC) in a centrifugal compressor for compressed air energy storage (CAES). The internal flow field in IBC and the coupling characteristics of the compressor are ...
Energy-saving potential for centrifugal pump storage operation using optimized control schemes | Energy …
In this paper, we present the energy-saving potential of using optimized control for centrifugal pump–driven water storages. For this purpose, a Simulink pump-pipe-storage model is used. The equations and transfer function for steady-state and transient system behavior are presented and verified. Two different control …
Experimental investigation on off-design performance and adjustment strategies of the centrifugal compressor in compressed air energy storage ...
Sliding-pressure operation of the centrifugal compressor in the charging process makes adiabatic compressed air energy storage (A-CAES) system maintain high roundtrip efficiency.
Flow characteristics of impeller backside cavity and its effects on the centrifugal compressor for compressed air energy storage …
DOI: 10.1016/j.est.2022.104024 Corpus ID: 246842169 Flow characteristics of impeller backside cavity and its effects on the centrifugal compressor for compressed air energy storage @article{Lin2022FlowCO, title={Flow characteristics of impeller backside cavity ...
A novel method for work capacity calculation of centrifugal compressor impellers in energy storage …
Centrifugal compressors are widely used in aerospace, chemical and power industries, which are also the key equipment for compressed air energy storage systems [1], [2]. In the aerodynamic design of centrifugal compressors, the traditional one-dimensional scheme is usually performed as the first step for the parameter designs, and …
Experimental investigation on off-design performance and adjustment strategies of the centrifugal compressor in compressed air energy storage ...
The compressed air energy storage (CAES) is a large-scale and long-term energy storage technology. It has important application value in the area of electricity peak-shaving, energy management, renewable …
Application of the multi-stage centrifugal compressor 1D loss model in the adiabatic compressed air energy storage …
In the energy storage process (ESP), the two compressors are driven by off-peak power or renewable energy and compress the air to the air storage tank (AST). In the energy-releasing process (ERP), the high pressure air in the AST will be released under the regulation of the throttling valve to drive the turbines to generate electricity.
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Investigation of the unsteady flow in a transonic axial compressor adopted in the compressed air energy storage …
DOI: 10.1016/j.est.2023.106928 Corpus ID: 257368524 Investigation of the unsteady flow in a transonic axial compressor adopted in the compressed air energy storage system Due to the nonlinear behavior of carbon dioxide properties at its critical point and the size ...
Solid-liquid multiphase flow and erosion characteristics of a centrifugal pump in the energy storage …
However, sever erosion of centrifugal pump, which is caused by the high sediment content of rivers, will poses a serious threat to the safe and economic operation of the energy storage pump station.
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