Contouring of a free oil surface

William Stephen Meyers; Brent C. Bergner; Ronald D. White; David T. Huff; H. Philip Stahl

doi:10.1117/12.140938

2 September 1992 Contouring of a free oil surface

William Stephen Meyers, Brent C. Bergner, Ronald D. White, David T. Huff, H. Philip Stahl

Proceedings Volume 1779, Optical Design and Processing Technologies and Applications; (1992) https://doi.org/10.1117/12.140938
Event: Optical Engineering Midwest 1992, 1992, Chicago, IL, United States

Abstract

A non-contact (i.e., optical) technique is required to measure the deformation of a free oil surface under the influence of a localized thermal load. This deformation is caused by surface tension driven thermal convective flow inside the fluid, and can be as large as 250 micrometers . Therefore, conventional interferometry is not possible. Instead, a Ronchi technique is proposed for contour mapping the oil surface. This paper presents a design concept for a two channel Ronchi instrument and some preliminary results from a feasibility study using a single channel Ronchi instrument.

Citation Download Citation

William Stephen Meyers, Brent C. Bergner, Ronald D. White, David T. Huff, and H. Philip Stahl "Contouring of a free oil surface", Proc. SPIE 1779, Optical Design and Processing Technologies and Applications, (2 September 1992); https://doi.org/10.1117/12.140938

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