Evaluating Cooling Performance of High-Thermal-Conduction Composite in Conduction-Cooled Superconducting Coils

Takao, T.; Yuhara, Takuroh; Sakuma, Ryo; Goto, Takayuki; Yamanaka, Akihiro

doi:10.1109/tasc.2010.2041337

Cited by 6 publications

(9 citation statements)

References 7 publications

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“…STRUCTURAL MATERIAL, DFRP Fig. 2 shows temperature dependence of thermal conductivity of some structural materials [5], [6]. From the figure, the DFRP has a similar thermal conducting performance as a stainless steel.…”

Section: Introductionmentioning

confidence: 99%

“…In the former work, a superconductor was a Bi2223 tape, a bobbin material was the DFRP, and the coil was one layer solenoid coil which was schematically drawn in Fig. 1 [5]. The experimental results showed that the stability of the coil with the DFRP bobbin was better than that with the GFRP (glass fiber reinforced plastic) bobbin.…”

Section: Introductionmentioning

confidence: 99%

“…We have tried to increase the thermal stability of the coil from a standpoint of a structural material of the coil [1]- [5]. A Dyneema fiber reinforced plastic (DFRP) has a property of high thermal conductivity, and hence, it is possible that the DFRP becomes a heat drain material in the conduction cooled superconducting coil [6], [7].…”

Section: Introductionmentioning

confidence: 99%

“…And DFRP also has a characteristic of a negative thermal expansion coefficient, that is, the DFRP expands during cool-down from room temperature to cryogenic temperature [8]. Manuscript We have already studied the thermal stability of the conduction cooled superconducting coils having the DFRP as the bobbin material [1]- [5]. In the former work, a superconductor was a Bi2223 tape, a bobbin material was the DFRP, and the coil was one layer solenoid coil which was schematically drawn in Fig.…”

Section: Introductionmentioning

confidence: 99%

“…3 3. Thermal contraction and expansion properties of some structural materials [5]. G is glass, Al is alumina, C is carbon, and Z is Zylon.…”

Section: Introductionmentioning

confidence: 99%

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Increase of Cooling Performance of Conduction Cooled Superconducting Coils Using High Thermal Conduction Plastic

Takao

Hachisuka

Asano

et al. 2012

IEEE Trans. Appl. Supercond.

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We experimentally study thermal stability of conduction cooled superconducting coils from a viewpoint of structural materials of the coils. The materials are Dyneema fiber reinforced plastics (DFRPs). The DFRP has properties of high thermal conduction and negative thermal expansion. We evaluated the stability of the conduction cooled coils having DFRP bobbins with changing the DFRP's thermal expansion. According to the experimental results, when the expansion became large, the stability also became better. It is expected that the DFRP is the effective heat sink bobbin material.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%