A Segmented-Mirror Solar Furnace for High-Intensity Thermal Radiation Studies

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Abstract
A solar furnace is described, in which an array of many small plane mirrors is used to produce radiation of practically uniform intensity (up to about 5.5 cal/cm2 sec) over an area 5 cm square. This relatively large area of irradiation is required for experiments in which edge effects must be kept to a minimum, and could not have been obtained by means of a conventional continuously curved mirror of reasonable focal length and of moderate cost. The performance of the segmented-mirror furnace over a 15 month period is analyzed.

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