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Eccentricity in a Horizontal Latent Thermal Energy Storage Unit: Effects of Inner Tube Geometry
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10.46399-muhendismakina.1139121-2519796.pdf
Date
2022-12-01
Author
Bayer, Özgür
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The intermittency of solar energy has resulted in a urge to implement a buffer for providing constant and reliable energy in different sectors. Latent thermal energy storage solutions that use phase change materials have been the main focus of researchers due to their size, cost and near-constant operating temperatures. One of the main ways of performance improvement in concentric LTES units is changing the location of inner tube to introduce eccent- ricity and decrease the response and charging time of the unit. In this study, the eccentricity is implemented for different inner tube geometries, circle, square and triangle. The time dependent melting behavior of all the cases are presented by investigating the velocity, temperature and liquid fraction contours. The melting time is improved for all the cases with the triangle eccentric design having the lowest melting time. The charge time in the triangular case is decreased nearly 50% while the decrease is less significant for the circle and square designs. The natural convection improvement due to employment of eccentricity is the reason for the enhancements.
Subject Keywords
PCM
,
Natural convection
,
Melting
,
Thermal battery
,
FDM
,
Doğal taşınım
,
Erime
,
Termal pil
URI
http://dx.doi.org/10.46399/muhendismakina.1139121
https://hdl.handle.net/11511/105778
Journal
Mühendis ve Makina
DOI
https://doi.org/10.46399/muhendismakina.1139121
Collections
Department of Mechanical Engineering, Article
Citation Formats
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BibTeX
Ö. Bayer, “Eccentricity in a Horizontal Latent Thermal Energy Storage Unit: Effects of Inner Tube Geometry,”
Mühendis ve Makina
, vol. 63, pp. 0–0, 2022, Accessed: 00, 2023. [Online]. Available: http://dx.doi.org/10.46399/muhendismakina.1139121.