Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: SEM (top) and optical microscope (bottom) pictures of Technoperl®- C 1,5, made at KIT [5] (top) and ZAE Bayern (bottom)

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Schematic illustration of solid-body conduction in porous powder materials (a) and the coupling effect (b), where the structural thermal resistances are shorted by gas molecules, and additional pathways occur. The indicated pore and grain dimensions do not represent realistic values for perlite.

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: T1 to T10.

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Photographs of the cut-off cylinder apparatus: overview of the device with vacuum pump, valves, tube with thermal insulation and pressure sensors (a), gas inflation with argon bottle and pressure reducing valve (b), and mounting of the heating element (c)

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Photograph of the real-size prototype storage tank

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Effective spectral mass-specific extinction coefficient of Technoperl®- C 1,5 at wavelengths between 1.4 and 18μm

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Total effective mass-specific extinction coefficient of Technoperl®- C 1,5 as a function of radiation temperature between 300 and 450 K. The uncertainty of the measurement is Δe* = 0.004m2/g.

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Solid thermal conductivity of Technoperl®- C 1,5 as a function of density

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Sum of gaseous conduction λg and coupling effect λc as a function of pressure for air, argon and krypton, measured in the cut-off concentric cylinder apparatus at ρ = 68.2kg/m2 and T = 64°C

Date of download: 10/17/2017 Copyright © ASME. All rights reserved. From: Heat Transport in Evacuated Perlite Powders for Super-Insulated Long-Term Storages up to 300 °C J. Heat Transfer. 2013;135(5):051301-051301-11. doi:10.1115/1.4023351 Figure Legend: Calculated sum of radiative and solid thermal conductivity as a function of density