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Radiative contribution to the thermal conductivity of fibrous insulationsAn approach is shown for using a simple two-flux model to interpret infrared transmission data for a variety of reuseable surface insulations materials and to calculate the radiation transmission. A description is given of preliminary experiments on mullite and silica-based materials. The calculated parameters are compared with the measured values of the total thermal conductivity, as determined on guarded hot plate equipment. It is pointed out that for many samples the newly developed four-flux model must be utilized because the scattering properties of the fibers are often dependent on the wavelength of the radiation.
Document ID
19740060214
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Linford, R. M. F.
Schmitt, R. J.
(McDonnell Aircraft Co. St. Louis, Mo., United States)
Hughes, T. A.
(McDonnell Douglas Astronautics Co. St. Louis, Mo., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Subject Category
Thermodynamics And Combustion
Meeting Information
Meeting: Symposium on Heat transmission measurements in thermal insulations
Location: Philadelphia, PA
Start Date: April 16, 1973
End Date: April 17, 1973
Accession Number
74A42964
Funding Number(s)
CONTRACT_GRANT: NAS8-26115
Distribution Limits
Public
Copyright
Other

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