Thermal conductivity of rigid foam insulations for aerospace vehicles
Barrios, M. and Sciver, S. W. V.
2013 Cryogenics, Volumes 55?6, May–July 2013, Pages 12-19
Polyisocyanurate foam; Insulation; Thermal conductivity; SOFI
Barrios, M. and Sciver, S. W. V., (2013), "Thermal conductivity of rigid foam insulations for aerospace vehicles", Cryogenics, Volumes 55?6, May–July 2013, Pages 12-19.
Abstract:
The present work describes measurements of the effective thermal conductivity of NCFI 24-124 foam, a spray-on foam insulation used formerly on the Space Shuttle external fuel tank. A novel apparatus to measure the effective thermal conductivity of rigid foam at temperatures ranging from 20 K to 300 K was developed and used to study three samples of NCFI 24-124 foam insulation. In preparation for measurement, the foam samples were either treated with a uniquely designed moisture absorption apparatus or different residual gases to study their impact on the effective thermal conductivity of the foam. The resulting data are compared to other measurements and mathematical models reported in the literature.
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