In this paper, optical data obtained by the schlieren technique for the air natural convective heat transfer from a horizontal, upward-facing, isothermal surface, are processed by using different tomographic algorithms. Optical data are collected over a 180 deg angle of view; however, particular emphasis is given to the reconstruction from data recorded over a limited angle of view, this in order to assess the capability of methods to provide a reliable reconstruction when the optical access to the test section is limited.
APPLICATION OF TOMOGRAPHIC ALGORITHMS TO SCHLIEREN OPTICAL DATA FOR THE STUDY OF CONVECTION HEAT TRANSFER
TANDA, GIOVANNI
2011-01-01
Abstract
In this paper, optical data obtained by the schlieren technique for the air natural convective heat transfer from a horizontal, upward-facing, isothermal surface, are processed by using different tomographic algorithms. Optical data are collected over a 180 deg angle of view; however, particular emphasis is given to the reconstruction from data recorded over a limited angle of view, this in order to assess the capability of methods to provide a reliable reconstruction when the optical access to the test section is limited.
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