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Optical Engineering

Sandwich holography for studying convective fields: performance analysis
Author(s): Dario Ambrosini; Domenica Paoletti; Roberta Di Biase
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Paper Abstract

Recently, sandwich holography was proposed in heat transfer studies. This technique can provide the temperature gradient without the need to calculate the temperature map and then numerically differentiate it; also phase extraction and phase unwrapping are avoided. A numerical simulation was used to assess the performance of the technique. This investigation shows the ability of the method to obtain the convective coefficient h with an accuracy of about 6%. The measurement algorithm is also relatively robust with respect to noise.

Paper Details

Date Published: 1 March 2010
PDF: 6 pages
Opt. Eng. 49(3) 033605 doi: 10.1117/1.3361671
Published in: Optical Engineering Volume 49, Issue 3
Show Author Affiliations
Dario Ambrosini, Univ. degli Studi dell'Aquila (Italy)
Domenica Paoletti, Univ. degli Studi dell'Aquila (Italy)
Roberta Di Biase, Univ. Degli Studi Dell Aquila (Italy)

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