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Radiative Conductivity Analysis Of Low-Density Fibrous Materials, Nima Nouri
Radiative Conductivity Analysis Of Low-Density Fibrous Materials, Nima Nouri
Theses and Dissertations--Mechanical Engineering
The effective radiative conductivity of fibrous material is an important part of the evaluation of the thermal performance of fibrous insulators. To better evaluate this material property, a three-dimensional direct simulation model which calculates the effective radiative conductivity of fibrous material is proposed. Two different geometries are used in this analysis.
The simplified model assumes that the fibers are in a cylindrical shape and does not require identically-sized fibers or a symmetric configuration. Using a geometry with properties resembling those of a fibrous insulator, a numerical calculation of the geometric configuration factor is carried out. The results show the dependency …