| Popis: |
Cryostat for a high-temperature superconducting power cable, comprising concentric tubes, an annular region between said tubes, wherein a multilayer thermal insulation and getter material for supporting high vacuum conditions are provided in said annular region, and wherein the multilayer insulation comprises reflective layers separated by fibrous spacer material, wherein the fibrous spacer material comprises activated carbon micro-fibers and/or activated carbon nano-fibers. Beneficially the getter material is at least in part embodied in the activated carbon fibers of the fibrous spacer material. |
