Error analysis and correction for laser speckle photography

Yaozu Song; Rudi Kulenovic; Manfred Groll

doi:10.1117/12.221530

29 September 1995 Error analysis and correction for laser speckle photography

Yaozu Song, Rudi Kulenovic, Manfred Groll

Proceedings Volume 2546, Optical Techniques in Fluid, Thermal, and Combustion Flow; (1995) https://doi.org/10.1117/12.221530
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

This paper deals with error analysis of experimental data of a laser speckle photography (LSP) application which measures a temperature field of natural convection around a heated cylindrical tube. A method for error corrections is proposed and presented in detail. Experimental and theoretical investigations have shown errors in the measurements are induced due to four causes. These error sources are discussed and suggestions to avoid the errors are given. Due to the error analysis and the introduced methods for their correction the temperature distribution, respectively the temperature gradient in a thermal boundary layer can be obtained more accurately.

Citation Download Citation

Yaozu Song, Rudi Kulenovic, and Manfred Groll "Error analysis and correction for laser speckle photography", Proc. SPIE 2546, Optical Techniques in Fluid, Thermal, and Combustion Flow, (29 September 1995); https://doi.org/10.1117/12.221530

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