An Analytical Study of Heat Exchanger Effectiveness and Thermal Performance in a Solar Energy Storage System With PCM

Wang, J. C. Y.; Song, Lin; Kwok, C. K.; Vatistas, Georgios H.

doi:10.1115/1.3267585

Cited by 3 publications

(2 citation statements)

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“…Wang et al analytically investigated the exchanger effectiveness and thermal performance of a solar energy storage system [2]. Capasso and Veneri integrated supercapacitors and batteries to achieve high-performance hybrid storage system for electric vehicles [3].…”

Section: Introductionmentioning

confidence: 99%

“…With the extensive and generalized usage of wind-solar hybrid energy storage system, the impact on the grid by wind-solar hybrid energy storage system cannot be ignored. Owing to unsuitability and unpredictability, the power output of a wind-solar hybrid energy storage system could fluctuate randomly and intermittently [ 2 ]. Thus, compared with conventional power sources, such as nuclear and coal-based thermal power plants, renewables can be hard to dispatch on the grid.…”

Section: Introductionmentioning

confidence: 99%

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An Energy Storage Performance Improvement Model for Grid-Connected Wind-Solar Hybrid Energy Storage System

Zhu

Zhao

Wang

et al. 2020

Computational Intelligence and Neuroscience

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This study introduces a supercapacitor hybrid energy storage system in a wind-solar hybrid power generation system, which can remarkably increase the energy storage capacity and output power of the system. In the specific solution, this study combines the distributed power generation system and the hybrid energy storage system, while using the static reactive power compensation system and the conductance-fuzzy dual-mode control method to increase output power in stages. At the same time, the optimal configuration model of the wind-solar hybrid power generation system is established using MATLAB/Simulink software. The output power of the microgrid to the wind-photovoltaic hybrid power generation system is calculated by simulation, and the optimization process of each component of the system is simulated. This study mainly uses the static reactive power compensation system and the conductance-fuzzy dual-mode control method to optimize the wind-solar hybrid power generation system. Using MATLAB software simulation verifies the feasibility and rationality of the optimal configuration of the system.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An Energy Storage Performance Improvement Model for Grid-Connected Wind-Solar Hybrid Energy Storage System

Zhu

Zhao

Wang

et al. 2020

Computational Intelligence and Neuroscience

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Energy Storage Applications

Fleischer

2015

Thermal Energy Storage Using Phase Change Materials

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As discussed in Chap. 1, energy storage through solid-liquid phase change is inherently a transient process and is best suited for systems that experience repeated transients, such as on-off or periodic peaking cycles, or for those systems which require thermal energy storage for later use. PCMs are commonly used in applications for both thermal management and for thermal energy storage.Interest in PCMs for thermal management of systems can be traced back at least through the 1970s. NASA in particular was interested in the use of PCMs as what were then referred to as "thermal capacitors" and PCMs were implemented in several moon vehicles and in Skylab [1]. The 1977 NASA tech brief "A Design Handbook for Phase Change Thermal Control and Energy Storage Devices" [2] was one of the first comprehensive PCM references, and is still widely cited and used today.During the 1970s and 1980s, interest was also building in the application of PCMs in solar systems [3-5] for thermal energy storage in both large solar plants, and in smaller domestic applications such as domestic hot water systems. The concept of embedding PCMs in various types of building materials, such as wallboard and floorboards, in order to create houses and offices with lower heating and cooling loads for greater energy efficiency, also began in the 1970s/80s [6,7]. Simultaneously, a significant amount of fundamental research was being completed on PCMs, considering in-depth the melting and solidification processes, and the roles of conduction and natural convection on the phase change processes [8][9][10][11].With the growth of computing power through the 1980s and 1990s, integrated circuits began dissipating significant amounts of heat and PCM applications in the thermal management of high performance, military and consumer electronics came on the scene in the late 1990s [12][13][14]. More recently, PCMs have seen application in textile design for energy absorbing clothing for military and consumer products [15].

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Exergy Analysis of Thermal Energy Storage With Specific Remarks on the Variation of the Environmental Temperature

Bisio

1996

Journal of Solar Energy Engineering

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Energy storage is a key technology for many purposes and in particular for air conditioning plants and a successful exploitation of solar energy. Thermal storage devices are usually classified as either variable temperature (“sensible heat”) or constant temperature (“latent heat”) devices. For both models a basic question is to determine the efficiency suitably: Only exergy efficiency appears a proper way. The aim of this paper is to examine exergy efficiency in both variable and constant temperature systems. From a general statement of exergy efficiency by the present author, two types of actual definitions are proposed, depending on the fact that the exergy of the fluid leaving the thermal storage during the charge phase can be either totally lost or utilized elsewhere. In addition, specific remarks are made about the exergy of a system in a periodically varying temperature environment.

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An Analytical Study of Heat Exchanger Effectiveness and Thermal Performance in a Solar Energy Storage System With PCM

Cited by 3 publications

References 0 publications

An Energy Storage Performance Improvement Model for Grid-Connected Wind-Solar Hybrid Energy Storage System

An Energy Storage Performance Improvement Model for Grid-Connected Wind-Solar Hybrid Energy Storage System

Energy Storage Applications

Exergy Analysis of Thermal Energy Storage With Specific Remarks on the Variation of the Environmental Temperature

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