Bushnell, David L.
M.S. (Master of Science)
Department of Physics
The Author attempted to directly measure the conductivities of three insulations by measuring the temperature gradient throughout a cubic shell of insulation surrounding a heat source: mineral wool, half-inch air gaps defined by aluminum foil and a two-inch air gap defined by nonreflective materials. This method provided some interesting comparitive results despite its quantitative results not comparing favorably with the standard guarded hot-plate method.
Morphis, Robert I., "A direct method of measuring conductivity" (1989). Graduate Research Theses & Dissertations. 288.
v, 37 pages
Northern Illinois University
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