Optimization of shell and tube thermal energy storage unit based on the effects of adding fins, nanoparticles and rotational mechanism

Soltani, Hossein; Soltani, M.; Karimi, Hossein; Nathwani, Jatin

doi:10.1016/j.jclepro.2021.129922

Cited by 55 publications

(10 citation statements)

References 51 publications

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“…Hossein Soltani looked into three strategies to optimize heat transfer by adding fins to expand the heat transfer area, a rotating mechanism to strengthen the influence of natural convection, and nano-copper particles to boost PCM's thermal conductivity. The findings demonstrated that the combined techniques significantly accelerate PCM melting within the shell and tube system [33]. The schematic process of LHTES is shown in figure 4.…”

Section: Rectangular Pcm Containersmentioning

confidence: 93%

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A state-of-the-art review on advancements in phase change material encapsulation techniques for electronics cooling

Venkatakrishnan,

Palanisamy

2023

Phys. Scr.

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The continuous rise and reduction in heat flow of electronic devices constitute significant challenges for cooling management. The shell materials thermal conductivity affects both heat transfer and PCM - heat transfer fluid interaction (HTF). As a result, the traditional techniques of cooling systems are insufficient to provide the necessary cooling for such heat-generating electronic gadgets. In this view, there has been a considerable amount of effort applied into the development of high-efficiency cooling for electronics cooling applications. Today, many scientific studies are focusing on the usage of phase change materials (PCM) in high-energy storage systems due to their excellent thermal storage properties. Since the PCM and its volume of energy storage decrease from core to the coating, the higher encapsulation thickness provides minimum quality when compared to the lower thickness of encapsulation This review highlights the importance of size, thickness, and core-to-coating ratios while offering a thorough overview of PCM encapsulation methods for electronics cooling. It presents the novel idea of carbon nanotube-enhanced PCMs, emphasizes the need of choosing the right shell material, and investigates the effects of encapsulation shape. The key characteristics of encapsulation, such as influence of shell material, encapsulation shape, melting and solidification are reviewed.

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Section: Rectangular Pcm Containersmentioning

confidence: 93%

“…Figure 4. Layout of adding fins (b), nanoparticle (c), and rotating mechanism (d) to the original LHTES model (a).Reused from[33] with permission from Elsevier.…”

mentioning

confidence: 99%

A state-of-the-art review on advancements in phase change material encapsulation techniques for electronics cooling

Venkatakrishnan,

Palanisamy

2023

Phys. Scr.

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“…The thickness of the inner tube is 1mm.The length of the fins is 10mm thickness is 1mm.The material of the inner tube and fins is copper and paraffin is taken as PCM , the thermophysical properties of PCM are shown in Table 1 [35]. Before building the mathematical model, the following assumptions [36] were used to simplify the physical model and later calculations:…”

Section: Description Of Simulation Model 21 Models and Boundary Condi...mentioning

confidence: 99%

“…For most natural convection, this assumption can be considered as an accurate approximation as long as the actual density variation is small. Since the physical properties of the paraffin liquid and solid phases vary, the specific heat capacity and thermal conductivity of paraffin are set in segments for the accuracy of the calculation results [36], in the FLUENT material property parameter setting, select the "piecewise-linear" option for Cp and λ to complete the segmented setting. The physical property parameters in the pure liquid phase and pure solid phase regions are constants, respectively, which are linearized in the two-phase paste region and calculated as follows [33]:…”

Section: Description Of Simulation Model 21 Models and Boundary Condi...mentioning

confidence: 99%

Numerical simulation study of the effect of mechanical vibration on heat transfer in a six-fin latent heat thermal energy storage unit

Luo

Chen

et al. 2023

International Journal of Heat and Mass Transfer

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“…Shell and tube heat exchanger (STHE) contains a shell and a bundle of tubes, where one fluid medium flows through the shell and the other runs via the tube bundle [9,10]. Augmentation of the thermal performance of SHTE depends on numerous factors, which include flow configuration (parallel, counter, and cross-flow), geometry configuration of the shell, tube layout pattern, tube shape, tube configuration (plain, corrugated, longitudinal finned, dimple and protrusion), number of baffles, baffle cut, type, shape, and spacing [11]- [15].…”

Section: Introductionmentioning

confidence: 99%

Thermal and Fluid Flow Analysis of Shell-and-Tube Heat Exchangers with Smooth and Dimpled Tubes

Fetuga¹,

Olakoyejo²,

Shote³

et al. 2022

J. ADV. ENG. COMPUT.

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This current work mainly focuses on the enhancement of the heat transfer and fluid flow characteristics of shell-and-tube heat exchangers by incorporating dimples on the smooth or conventional tubes. With the aid of the ANSYS (Fluent) commercial software package, Computational Fluid Dynamics (CFD) simulations under a steady-state condition were conducted on heat exchanger having a single shell and 12 tubes (with or without dimples), 50% baffle cut, 100mm baffle spacing and turbulent flow. The temperature, velocity, and pressure fields at the shell and tube zone in both cases are analyzed. The computational fluid dynamics results of the heat exchanger with dimpled tubes are compared with conventional (smooth) tubes. However, the results show that a shell and tube heat exchanger with dimpled tubes has a higher overall heat transfer coefficient than that of conventional (smooth) tubes. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium provided the original work is properly cited.

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Optimization of shell and tube thermal energy storage unit based on the effects of adding fins, nanoparticles and rotational mechanism

Cited by 55 publications

References 51 publications

A state-of-the-art review on advancements in phase change material encapsulation techniques for electronics cooling

A state-of-the-art review on advancements in phase change material encapsulation techniques for electronics cooling

Numerical simulation study of the effect of mechanical vibration on heat transfer in a six-fin latent heat thermal energy storage unit

Thermal and Fluid Flow Analysis of Shell-and-Tube Heat Exchangers with Smooth and Dimpled Tubes

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