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Optical probe for high-temperature local void fraction determination

M. A. Vince, H. Breed, G. Krycuk, and R. T. Lahey

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Abstract

The optical response of a high-temperature and pressure-local void fraction device was optimized using a 2-D light ray tracing computer simulation. Snell’s law, Beer’s law for absorption, and Fresnel laws for reflection and refraction were included to simulate the optics associated with a diamond-tipped optical void probe. Based on an optimal design obtained from the computer simulation, an actual diamond-tipped optical void fraction device was constructed and tested at low pressure in air/water flows.

© 1982 Optical Society of America

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