Rapid Transient Heat Transfer of Near-Critical Carbon Dioxide

Taku Ohara; Jun Tamba; Toshio Aihara

doi:10.1299/kikaib.60.1370

Rapid Transient Heat Transfer of Near-Critical Carbon Dioxide

Taku Ohara, Jun Tamba, Toshio Aihara

Research output: Contribution to journal › Article › peer-review

Abstract

Rapid transient free-convective heat-transfer characteristics from a horizontal platinum wire in supercritical carbon dioxide were studied experimentally. Time history of correlations between heat flux and superheat was shown for various step heat input, and a comparison of the time histories between supercritical and subcritical CO₂ was made. In the case of transient heat transfer to supercritical CO₂, the occurrence of a bubble-like structure was observed.

Original language	English
Pages (from-to)	1370-1377
Number of pages	8
Journal	Transactions of the Japan Society of Mechanical Engineers Series B
Volume	60
Issue number	572
DOIs	https://doi.org/10.1299/kikaib.60.1370
Publication status	Published - 1994 Jan 1
Externally published	Yes

Keywords

Carbon Dioxide
Free Convective Heat Transfer
Rapid Transient Heat Transfer
Supercritical Fluid

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering

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abstract = "Rapid transient free-convective heat-transfer characteristics from a horizontal platinum wire in supercritical carbon dioxide were studied experimentally. Time history of correlations between heat flux and superheat was shown for various step heat input, and a comparison of the time histories between supercritical and subcritical CO2 was made. In the case of transient heat transfer to supercritical CO2, the occurrence of a bubble-like structure was observed.",

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AB - Rapid transient free-convective heat-transfer characteristics from a horizontal platinum wire in supercritical carbon dioxide were studied experimentally. Time history of correlations between heat flux and superheat was shown for various step heat input, and a comparison of the time histories between supercritical and subcritical CO2 was made. In the case of transient heat transfer to supercritical CO2, the occurrence of a bubble-like structure was observed.

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KW - Supercritical Fluid

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