Experimental study of thermal energy storage characteristics of a paraffin in a horizontal tube-in-shell storage unit

Avcı, Mete; Yazici, Mustafa Yusuf

doi:10.1016/j.enconman.2013.04.030

Cited by 126 publications

(32 citation statements)

References 41 publications

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“…The invasion time is cumulative (Eq. (14)) and depends on the distribution paths and the sequence in which the users are served by the source stream (e.g., Fig. 5).…”

Section: Discussionmentioning

confidence: 99%

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Distributed energy storage: Time-dependent tree flow design

Bejan

Ziaei

Lorente

2016

Journal of Applied Physics

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Here, we report the numerical study of time dependent storage of energy by melting a phase change material. The heating is provided along invading lines, which change from single-line invasion to tree-shaped invasion. The numerical simulations show that the history of the amount of melted material is S-shaped. We also found that the fastest melting (i.e., the steepest S curve) is discovered by allowing the tree architecture to morph freely, toward greater access over time. The stem length and branching angle of invading trees can be selected such that the complete melting process is shorter. The melting process can also be made faster by increasing the complexity of the tree structure. V C 2015 AIP Publishing LLC. [http://dx.

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“…The invasion time is cumulative (Eq. (14)) and depends on the distribution paths and the sequence in which the users are served by the source stream (e.g., Fig. 5).…”

Section: Discussionmentioning

confidence: 99%

“…We see them in energy storage systems of many kinds in power generation and distribution systems. [9][10][11][12][13][14][15][16][17] These are the features that make the constructal architectures in this paper new and more challenging than in models of steady-flow applications.…”

Section: Introductionmentioning

confidence: 99%

Distributed energy storage: Time-dependent tree flow design

Bejan

Ziaei

Lorente

2016

Journal of Applied Physics

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“…Avci and Yazici [59] experimentally studied the melting and solidification processes of paraffin in thermal energy storage using shell-and-tube heat exchangers. They also investigated the influence of HTF inlet temperature on melting and solidification and reported that the melting process in the upper region of the thermal storage unit increased due the natural convection effect.…”

Section: Pcm Within a Specific Heat Exchangermentioning

confidence: 99%

Review of the application of phase change material for heating and domestic hot water systems

Sharif¹,

Al-Abidi

Mat³

et al. 2015

Renewable and Sustainable Energy Reviews

263

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“…A centrifugal blower is driven by an electrical motor which has a configuration of 3Ø, 3 kW and 2880 rpm was used to drive the air throughout the system. G.I pipes were fitted to the air T A B L E 1 Thermophysical properties of concrete and paraffin [48][49][50][51][52] heating and test section to carry the HTF from the heating section to the storage tank. The experimental test section comprises a storage tank where the thermal energy is stowed.…”

Section: Experimental Descriptionmentioning

confidence: 99%

Thermal performance of sensible and latent heat thermal energy storage systems

Suresh

Saini

2020

Int J Energy Res

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Summary The thermal energy storage is an essential subsystem for solar thermal energy systems. Few experimental studies are available to compare the performance of sensible and latent thermal energy storage systems for the same storage configurations. The comparison can provide guidance in selecting the storage system for particular solar thermal applications. The present work focuses on the experimental investigation of sensible and latent thermal storage systems with different mass flow rates. Concrete spheres and paraffin‐encapsulated metal capsules having a uniform diameter of 38 mm were taken as the packing elements and air as a heat transfer fluid for both the storage systems. The performance characteristics of both the storage systems have been evaluated in terms of charging time, instantaneous/cumulative energy absorption and energy storage under different flow rate conditions. Thermal mass, conductivity and flow rate has a substantial impact on temperature difference in the storage system. The charging time and energy storage capacity of the sensible thermal storage system was found to be lesser than the latent thermal storage system for all the flow rates. Based on the study, it is recommended that the latent thermal storage system is preferable for higher energy storage capacity, while for better charging and medium storage capacities sensible storage may be a good option.

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Experimental study of thermal energy storage characteristics of a paraffin in a horizontal tube-in-shell storage unit

Cited by 126 publications

References 41 publications

Distributed energy storage: Time-dependent tree flow design

Distributed energy storage: Time-dependent tree flow design

Review of the application of phase change material for heating and domestic hot water systems

Thermal performance of sensible and latent heat thermal energy storage systems

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