Design and test of a simplified and reliable cryogenic system for high speed superconducting generator applications

Zhang, T.; Haran, Kiruba S.; Laskaris, E.T.; Bray, J. W.

doi:10.1016/j.cryogenics.2011.03.004

Cited by 7 publications

(1 citation statement)

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“…However, its temperature range restricts its use. Otherwise, liquid neon (LNe) is an attractive refrigerant in bath cooling for rotating machines operating at liquid neon temperature (27 K) [6,7] because its latent heat of vaporization per volume is 40 times higher than liquid helium. It also has been successfully applied in a recent study [8].…”

Section: Configuration Of Cryogenic Cooling Systemmentioning

confidence: 99%

A compactly integrated cooling system of a combination dual 1.5-MW HTS motors for electric propulsion

Le¹,

Kim²,

Hyeon³

et al. 2016

Progress in Superconductivity and Cryogenics

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The high temperature superconducting (HTS) contra-rotating propulsion (CRP) systems comprise two coaxial propellers sited on behind the other and rotate in opposite directions. They have the hydrodynamic advantage of recovering the slipstream rotational energy which would otherwise be lost to a conventional single-screw system. However, the cooling systems used for HTS CRP system need a high cooling power enough to maintain a low temperature of 2G HTS material operating at liquid neon (LNe) temperature (24.5 -27 K). In this paper, a single thermo-syphon cooling approach using a Gifford-McMahon (G-M) cryo-cooler is presented. First, an optimal thermal design of a 1.5 MW HTS motor was conducted varying to different types of commercial 2G HTS tapes. Then, a mono-cryogenic cooling system for an integration of two 1.5 MW HTS motors will be designed and analyzed. Finally, the 3D finite element analysis (FEA) simulation of thermal characteristics was also performed.

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Section: Configuration Of Cryogenic Cooling Systemmentioning

confidence: 99%