Experimental and theoretical study of a vertical tube in shell storage unit with biodegradable PCM for low temperature thermal energy storage applications

Andrzejczyk, Rafał; Kowalczyk, Tomasz; Kozak, Przemysław; Muszyński, T.

doi:10.1016/j.applthermaleng.2020.116216

Cited by 18 publications

(2 citation statements)

References 30 publications

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“…It was established that the melting or solidification rate can be substantially improved by the use of advanced fins compared to straight longitudinal fins. Andrzejczyk et al [60] conducted an experimental study of the charging and discharging performance of DTV TESU-Figure 2a,i, with coconut oil as a PCM characterized by variable thermophysical properties. It was observed that the melted or solidified PCM was in the form of a truncated cone.…”

Section: Double-tube Unitsmentioning

confidence: 99%

Thermal Energy Storage with PCMs in Shell-and-Tube Units: A Review

Cieśliński

Fabrykiewicz

2023

Energies

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The paper presents a survey of the experimental and numerical studies of shell-and-tube systems in which phase change material (PCM) is used. Due to the multitude of design solutions for shell-and-tube systems, the emphasis is placed on double-tube (DT), triplex-tube (TT), and multi-tube (MT) units. Additionally, only single-pass systems are considered. Particular attention is paid to the method of heat transfer intensification. The analysis of the research results begins with the classification of each of the three mentioned systems. The systems are divided according to the angle of inclination, the method of heat transfer enhancement (HTE), the flow direction of heat transfer fluid (HTF), and the arrangement of tubes in the bundle. Moreover, the simplified schemes of the particular research cases are proposed. Then, the works on each of the mentioned systems, i.e., DT, TT, and MT, are discussed chronologically. Finally, in the corresponding tables, details of the discussed cases are presented, such as geometric dimensions, and the type of PCM or HTF used. A novelty in the present work is the precise classification of PCM TESUs as DT, TTH, and MTH. In the literature, there is a lot of discretion in this regard. Second, the methods of heat transfer intensification in the presented PCM TESUs are listed and discussed. Third, unified schemes of design solutions for the discussed PCM TESUs are proposed. The review shows that development directions for shell-and-tube TESUs include systems with high conductivity fins of different shapes, heights, and spacing, several PCMs, and modified shells.

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Section: Double-tube Unitsmentioning

confidence: 99%

Thermal Energy Storage with PCMs in Shell-and-Tube Units: A Review

Cieśliński

Fabrykiewicz

2023

Energies

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“…Corrosive behavior, thermal instability at high temperatures, phase segregation, and super-cooling of PCMs are other challenges with PCM (P. Tan et al, 2020). New developments could enhance the efficiency of PCMs such as the use of biodegradable PCM, for example, coconut oil and fatty acids, because of their sustainable and nontoxic behavior, and abundance (Andrzejczyk et al, 2021). Hybrid techniques are also used, for example, composite PCMs, extended surfaces, PCM encapsulation, and multiple PCMs having different melting points to enhance the efficiency of TES (Hu et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

A review of phase change materials and heat enhancement methodologies

Saqib

Andrzejczyk

2022

WIREs Energy & Environment

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Phase change materials (PCMs) are an efficient alternative to store and release heat at a specific range of temperature. Here PCMs and heat enhancement methodologies for PCM storage are reviewed. A short overview of PCMs and their applications is presented in addition to the progress during the last 10 years. Heat enhancement techniques, that is, extended surfaces, multiple and composite PCMs, and encapsulation techniques, are presented along with a statistical overview of studies during 2016-2021. The importance of various fin and storage tank geometries (extended surfaces) is discussed in detail. Advancement in the latest heat enhancement techniques such as use of nano-enhanced PCMs is presented. Recommendations for future research are provided.

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Influence of phase change material volume shrinkage on the cyclic process of thermal energy storage: A visualization study

Chen

Wang

et al. 2022

Applied Thermal Engineering

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Experimental and theoretical study of a vertical tube in shell storage unit with biodegradable PCM for low temperature thermal energy storage applications

Cited by 18 publications

References 30 publications

Thermal Energy Storage with PCMs in Shell-and-Tube Units: A Review

Thermal Energy Storage with PCMs in Shell-and-Tube Units: A Review

A review of phase change materials and heat enhancement methodologies

Influence of phase change material volume shrinkage on the cyclic process of thermal energy storage: A visualization study

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