Elementary and system performance of cylindrical latent heat storage unit

Takeo S. Saitoh; Hideki Kato

doi:10.2514/6.1994-4079

Elementary and system performance of cylindrical latent heat storage unit

Takeo S. Saitoh, Hideki Kato

Center for Exploration of New Inorganic Materials

Research output: Contribution to conference › Paper › peer-review

Abstract

Close-contact melting heat transfer characteristics, including natural convection in the liquid region in cylindrical capsules, were studied theoretically. Elucidation of such heat transfer mechanism is of much importance from the viewpoint of cost-effective ice storage and heat storage systems employing the latent heat-of-fusion thermal energy storage (LHTES) concept. This paper presents full transient numerical solutions for combined close-contact and natural convection melting heat transfer in cylindrical capsules. Then, the validity of the previous approximate equations is examined. Moreover, the computer simulation of thermal performance for the latent heat thermal energy storage unit using cylindrical capsules was also performed. It facilitates the designing of the practical LHTES systems using various capsules.

Original language	English
Pages	1355-1360
Number of pages	6
DOIs	https://doi.org/10.2514/6.1994-4079
Publication status	Published - 1994
Event	Intersociety Energy Conversion Engineering Conference, 1994 - Monterey, United States Duration: 1994 Aug 7 → 1994 Aug 12

Other

Other	Intersociety Energy Conversion Engineering Conference, 1994
Country	United States
City	Monterey
Period	94/8/7 → 94/8/12

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Fuel Technology
Electrical and Electronic Engineering

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title = "Elementary and system performance of cylindrical latent heat storage unit",

abstract = "Close-contact melting heat transfer characteristics, including natural convection in the liquid region in cylindrical capsules, were studied theoretically. Elucidation of such heat transfer mechanism is of much importance from the viewpoint of cost-effective ice storage and heat storage systems employing the latent heat-of-fusion thermal energy storage (LHTES) concept. This paper presents full transient numerical solutions for combined close-contact and natural convection melting heat transfer in cylindrical capsules. Then, the validity of the previous approximate equations is examined. Moreover, the computer simulation of thermal performance for the latent heat thermal energy storage unit using cylindrical capsules was also performed. It facilitates the designing of the practical LHTES systems using various capsules.",

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doi = "10.2514/6.1994-4079",

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AU - Saitoh, Takeo S.

AU - Kato, Hideki

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AB - Close-contact melting heat transfer characteristics, including natural convection in the liquid region in cylindrical capsules, were studied theoretically. Elucidation of such heat transfer mechanism is of much importance from the viewpoint of cost-effective ice storage and heat storage systems employing the latent heat-of-fusion thermal energy storage (LHTES) concept. This paper presents full transient numerical solutions for combined close-contact and natural convection melting heat transfer in cylindrical capsules. Then, the validity of the previous approximate equations is examined. Moreover, the computer simulation of thermal performance for the latent heat thermal energy storage unit using cylindrical capsules was also performed. It facilitates the designing of the practical LHTES systems using various capsules.

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