Heat Storage and Release Tests of Heat Storage Material with Crystal Transformation

Tsuyoshi TOTANI; Takuya KUNI; Toshifumi SATOH; Takuya ISONO; Masashi WAKITA; Harunori NAGATA

doi:10.2322/tastj.14.Pi_1

i) Thermal Control

Heat Storage and Release Tests of Heat Storage Material with Crystal Transformation

Tsuyoshi TOTANI, Takuya KUNI, Toshifumi SATOH, Takuya ISONO, Masashi WAKITA, Harunori NAGATA

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Keywords: Heat Storage Material, Crystal Transformation, Heat Storage Test, Heat Release Test

JOURNAL FREE ACCESS

2016 Volume 14 Issue ists30 Pages Pi_1-Pi_6

DOI https://doi.org/10.2322/tastj.14.Pi_1

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Abstract

Trans-1,4-polybutadiene has the attractive characteristic of heat storage by crystal transformation to overcome the difficulty of the thermal design of micro- and nano-satellites. The on-orbit test of the material has been conducted for obtaining the characteristics of heat storage and release in the space environment. The trans-1,4-polybutadiene of 5.5 grams was mounted on Hodoyoshi 4 satellite. The total heat capacity is 440 Joules. It has been confirmed from the on-orbit temperature data that trans-1,4-polybutadiene is able to store and release heat in space more than 1000 cycles. It is shown that the mounted trans-1,4-polybutadiene used the full of heat storage capacity.

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