Profile- and deformation-measurements with high axial resolution using the acoustical holography

An improved acoustic-holographic reconstruction-algorithm is presented which allows a three-dimensional image-reconstruction, together with - for the first time - an axial resolution much below one wavelength. This high resolution makes it possible not only to evaluate exactly the contours of defect...

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Published in:Nuclear engineering and design 1987-07, Vol.102 (3), p.313-317
Main Authors: Roye, W., Crostack, H.-A.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Installations for energy generation and conversion: thermal and electrical energy
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container_issue 3
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container_title Nuclear engineering and design
container_volume 102
creator Roye, W.
Crostack, H.-A.
description An improved acoustic-holographic reconstruction-algorithm is presented which allows a three-dimensional image-reconstruction, together with - for the first time - an axial resolution much below one wavelength. This high resolution makes it possible not only to evaluate exactly the contours of defects in the axial direction but also to measure its deformation under thermal or mechanical load. Experimental measurements correspond to the theoretical model, being limited primarily by the dynamic range of the experimental setup.
doi_str_mv 10.1016/0029-5493(87)90177-4
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ispartof Nuclear engineering and design, 1987-07, Vol.102 (3), p.313-317
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source ScienceDirect Journals
subjects Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Installations for energy generation and conversion: thermal and electrical energy
title Profile- and deformation-measurements with high axial resolution using the acoustical holography
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