Optical methods on measuring surface deformation and surface wave in the thermal capillary convection

Li Duan; Qi Kang

doi:10.1117/12.509846

29 April 2003 Optical methods on measuring surface deformation and surface wave in the thermal capillary convection

Li Duan, Qi Kang

Proceedings Volume 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002; (2003) https://doi.org/10.1117/12.509846
Event: Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, 2002, Beijing, China

Abstract

An optical diagnostic system consisting of the Michelson interferometer with the image processor has been developed for the study of the kinetics of the thermal capillary convection. The capillary convection, surface deformation, surface wave and the velocity field in a rectangular cavity with different temperature's sidewalls have been investigated by optical interference method and PIV technique. In order to calculate the surface deformation from the interference fringe, Fourier transformation is used to grating analysis. The quantitative results of the surface deformation and surface wave have been calculated from the interference fringe pattern.

Citation Download Citation

Li Duan and Qi Kang "Optical methods on measuring surface deformation and surface wave in the thermal capillary convection", Proc. SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, (29 April 2003); https://doi.org/10.1117/12.509846

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