Apparatus for measurement of thermal conductivity of insulation systems subjected to extreme temperature differencesAdvanced aerospace designs require thermal insulation systems which are consistent with cryogenic fluids, high thermal loads, and design restrictions such as weight and volume. To evaluate the thermal performance of these insulating systems, an apparatus capable of measuring thermal conductivity using extreme temperature differences (27 to 1100 K) is being developed. This system is described along with estimates of precision and accuracy in selected operating conditions. Preliminary data are presented.
Document ID
19920030513
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Dube, W. P. (National Inst. of Standards and Technology Boulder, CO, United States)
Sparks, L. L. (National Inst. of Standards and Technology Boulder, CO, United States)
Slifka, A. J. (National Inst. of Standards and Technology Boulder, CO, United States)
Bitsy, R. M. (NIST, Chemical Engineering Science Div., Boulder CO, United States)