| || Measurements of Three Dimensional Temperature Field in Fluids using Laser Interferometry
Author : Munshi, P. ;Muralidhar, K.;Mishra, Debasish
Source : Defence Science Journal ; Vol:49(3) ; 1999 ; pp 243-255
Subject : 621.375.826 Laser Science;621.38 Electronics
Keywords : Laser interferometry ;Interferometry;Tomographic algorithms;Non intrusive measurement
Abstract : Non-intrusive measurement of fluid temperature using laser interferometry is reported. As a case study, results obtained in Rayleigh-Benard convection experiment are presented. Image processing operations required for the evaluation interferograms and extraction of quantitative data from the optical Images are discussed. Limited-view tomographic algorithms applicable to interferometry are discussed and compared in terms of reconstructed three-dimensional temperature fields. This study concludes that laser interferometry coupled with tomography promises a versatile tool for three-dimensional temperature and flow field measurements in fluids.