Effect of Surface Shape on Light Absorption

Ondrej Bilek; Martin Vašina

doi:10.4028/www.scientific.net/AMM.752-753.422

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 752-753Effect of Surface Shape on Light Absorption

Effect of Surface Shape on Light Absorption

Abstract:

This paper deals with influence of surface shape on light absorption. The study was performed on polyvinylchloride samples with different grooves. It was investigated the influence of shape, width, depth and number of grooves on light absorption. The investigated material samples were produced on CNC milling machine. Experimental measurements of light absorbance were performed under diffuse daylight on the basis of illuminance ratio. Different factors, that have influence on light absorption, are evaluated in the conclusion of this work. It was found that the lowest light absorbance was obtained in case of the smooth polyvinylchloride sample. The material machining causes multiple reflections of light from groove surfaces. For this reason the light absorbance of the groove surfaces is higher compared to the smooth material sample.

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Periodical:

Applied Mechanics and Materials (Volumes 752-753)

Pages:

422-427

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.752-753.422

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Online since:

April 2015

Authors:

Ondrej Bilek*, Martin Vašina

Keywords:

Absorbance, CNC Machining, Illuminance, Plastics, Surface Shape

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