DOI: 10.1016/J.APPLTHERMALENG.2019.114139 Corpus ID: 199085478 Hybrid modeling and efficiency analysis of the scroll compressor used in micro compressed air energy storage system @article{Ma2019HybridMA, title={Hybrid …
Learn MoreUnsteady characteristic and flow mechanism of a scroll compressor in small-scale compressed air energy storage system ... ： Tangential leakage loss reduction has significant impact on improving the performance of scroll compressors. In this study, the flow field of a scroll compressor working with air was numerically investigated. ...
Learn MoreTangential leakage loss reduction has significant impact on improving the performance of scroll compressors. In this study, the flow field of a scroll compressor working with air …
Learn MoreEnergy storage (ES) which can mitigate renewable energies such as solar and wind fluctuations is a very important part of microenergy network. 1 The small compressed air energy storage (CAES) is ...
Learn MoreA co-rotating scroll machine has been designed, manufactured and tested to work both as compressor and expander for compressed air energy storage applications. The performance of the unit working as expander has been characterized in terms of rotor speed, eccentricity and water injection by means of an experimental test-rig.
Learn MoreSemantic Scholar extracted view of "Graphene-scroll-sheathed α-MnS coaxial nanocables embedded in N, S Co-doped graphene foam as 3D hierarchically ordered electrodes for enhanced lithium storage" by Xu Gao et al. DOI: 10.1016/J.ENSM.2018.04.027 Corpus
Learn MoreSimulation and experimental research on energy conversion efficiency of scroll expander for micro-Compressed Air Energy Storage system International Journal of Energy Research 10.1002/er.3085
Learn MoreCastellani et al. reported a novel PV-integrated small-scale compressed air energy storage system utilizing reciprocating compressor and scroll expander [18]. The results showed that the small scale CAES can store as much as 96% of photovoltaic (PV) energy excess, and provide electricity of 26% of the demand, indicating the CAES …
Learn MoreThis article builds a micro compressed air energy storage system based on a scroll compressor and studies the effects of key parameters such as speed, torque, …
Learn MoreThe machine has been manufactured and tested to work both as compressor and expander for an isothermal compressed air energy storage system. Five steady-state experimental tests of the machine working as compressor were carried out, while 51 steady-state tests were performed in expander mode at different axial clearance …
Learn MoreGraphene-based materials for electrochemical energy storage devices: opportunities and challenges Energy Storage Mater., 2 ( 2016 ), pp. 107 - 138 View PDF View article View in Scopus Google Scholar
Learn More1. Introduction. Small-scale compressed air energy storage (CAES) is a promising technology to store energy during off-peak periods [1].However, the main drawback of CAES is the low round-trip efficiency due to the irreversibilities produced during the compression and expansion processes [2] order to reduce these irreversibilities …
Learn MoreOptimal probabilistic operation of energy hub with various energy converters and electrical storage based on electricity, heat, natural gas, and biomass by proposing innovative uncertainty modeling methods. Alireza Tavakoli, Ali Karimi, Miadreza Shafie-khah. Article 104344. View PDF.
Learn MoreThe development of an efficient isothermal turbine and compressor is essential for the realization of a small-scale compressed air energy storage (CAES). This article presents the theoretical development of an oil-free co-rotating scroll air compressor and turbine working with water injection to make the operations of expansion and compression as …
Learn MoreContrast Fig. 1, whole device is made up of I chamber and II chamber that three bent plates constitute, and other part all is installed in these two compartments.4 rollers 3, II chamber mounting plane scroll spring 1, drive plate 5 and baffle plate 6 are installed in the I chamber.Spring the inner is fixed on the baffle plate 6, and the outer end then is in quick …
Learn MoreA scroll expander was applied to the Micro-Compressed Air Energy Storage system, and its energy conversion efficiency was investigated.
Learn MoreA scroll expander can function under different operating conditions, and the flow of tangential leakage and generation mechanism is different. This study employed computation … Tangential leakage loss is the primary factor that significantly affects the output performance of oil-free scroll expanders.
Learn MoreThe high efficient isothermal reversible machine creates the opportunity to be used as a very efficient small-scale compressed air energy storage (CAES). This new type of CAES links the large-scale smart grid to the decentralized electricity production from renewable sources. In this article is presented an experimental study about a novel oil …
Learn MoreCompressed Air Energy Storage (CAES) has long been considered a means of improving power quality, reliability, in addition to yielding other benefits [1], [2]. Compared with battery storage technologies, the CAES system has advantages of relative low cost, long life and simple maintenance.
Learn MoreSuch systems are widely used in low-temperature waste heat ORC power generation systems [4,5]. To enhance the performance of the scroll expander, many scholars have focused on the profile of the ...
Learn MoreIf we can further improve energy storage efficiency, it will undoubtedly be an ideal alternative to energy storage. In recent years, with the advancement of manufacturing processes, oil-free scroll compressor has been gradually applied into practical use, which has the advantage of high efficiency, high reliability and low noise [8] …
Learn MoreCompressors 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 ...
Learn MoreAs an important part of a micro-compressed air energy storage system, the scroll expander directly affects the efficiency of the whole energy storage system. The effects of resistance on the efficiency of scroll expander caused by inlet structure and size are discussed with theory analysis and experimental methods in this paper. Micro …
Learn MoreGraphene scrolls have been widely investigated for applications in electronics, sensors, energy storage, etc. However, graphene scrolls with tens of micrometers in length and with other materials in their cavities have not been obtained. Here nanowire templated semihollow bicontinuous graphene scrol …
Learn MoreCastellani et al. reported a novel PV-integrated small-scale compressed air energy storage system utilizing reciprocating compressor and scroll expander [18]. The …
Learn More1. Introduction. Compressed air energy storage (CAES) systems are crucial to addressing the storage and release of electricity from renewable sources such as solar and photovoltaic power, and are in their initial commercialization stage worldwide [].A compressed-air energy storage system mainly consists of compressed air system, gas …
Learn MoreThe scroll expander has been widely studied in various energy systems for power generation and refrigeration. An experimental study of a scroll expander is carried out to examine its performance. Meanwhile, a quasi-dimensional numerical modelling is presented for simulating the working process of a scroll expander, which is verified by …
Learn MoreThe scroll expander that is utilized in this study was a modified oil-free air scroll compressor, and the basic geometric parameters of the original prototype are illustrated in Table 1 g. 1 illustrates the schematic diagram that depicts the working chamber division of the scroll expander, which is divided from inside to outside as …
Learn MoreThe axial aerodynamic force perpendicular to the plane of the end plate of the orbiting scroll is an important aerodynamic force on the orbiting scroll, which tends to …
Learn MoreThe oil-free scroll expander, which is the power component of the micro-scale compressed air energy storage (CAES) system, exhibits a satisfactory application …
Learn MoreAs an important part of a micro-compressed air energy storage system, the scroll expander directly affects the efficiency of the whole energy storage system. The …
Learn MoreNotice of Retraction: Numerical simulation of a scroll compressor used for Compressed Air Energy Storage Abstract: This article has been retracted by the publisher. Note: Notice of Retraction: After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE''s …
Learn MoreThe experimental setup is shown in Fig. 2 and the experimental schematic is shown in Fig. 3 shows that the experimental system is composed of an air compressor, compressed air storage tank, nitrogen cylinder, gas inlet temperature sensor, gas inlet pressure sensor, gas flowmeter, scroll turbine, permanent magnet generator, gas outlet …
Learn MoreHybrid modeling and efficiency analysis of the scroll compressor used in micro compressed air energy storage system Appl. Therm. Eng., 161 ( 2019 ), Article 114139, 10.1016/j.applthermaleng.2019.114139
Learn MoreExperimental studies of a co-rotating scroll machine for a compressed air energy storage application were carried out for the rst time by Mendoza et al. (2017) [135].
Learn MoreUnder a large temperature gradient, GO sheets tend to scroll to minimize their surface energy, which is driven by the sublimation of ice and self-supported of graphene sheets [47]. ... Based on this hybrid energy storage mechanism, the 0.25MnO/3DGS//AC LIC presents specific capacitances of 144.5, 122.8, 104.2, 93, ...
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