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Featured researches published by M.J. Radebe.


Drying Technology | 2013

NEUTRON RADIOGRAPHY APPLICATIONS IN STUDIES OF DRYING OF CAPILLARY-POROUS SYSTEMS

I. M. Fijał-Kirejczyk; J. J. Milczarek; M.J. Radebe; F.C. de Beer; G. Nothnagel; J. Żołądek-Nowak

The application of modern digital neutron radiography in the study of the drying process in porous media is demonstrated with two simple examples of cylindrical and rectangular samples made of different materials. The statistical method of image analysis is presented and the standard deviation of grey scale values (referred to brightness) is shown to be a useful measure of receding drying front emergence. The motion of the drying front was analyzed and found neither linear nor proportional to the square root of time and was delineated with nonlinear functions different for each sample shape.


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2009

Water transport through cement-based barriers―A preliminary study using neutron radiography and tomography

Daniel R.M. Brew; F.C. de Beer; M.J. Radebe; Robert Nshimirimana; Peter J. McGlinn; L.P. Aldridge; Timothy E. Payne


Cement and Concrete Research | 2010

Appraisal of a cementitious material for waste disposal: Neutron imaging studies of pore structure and sorptivity

Peter J. McGlinn; Frikkie de Beer; L.P. Aldridge; M.J. Radebe; Robert Nshimirimana; Daniel R.M. Brew; Timothy E. Payne; Kylie P. Olufson


Physics Procedia | 2013

Verifying Neutron Tomography Performance using Test Objects

A.P. Kaestner; Eberhard Lehmann; J. Hovind; M.J. Radebe; F.C. de Beer; C.M. Sim


Physics Procedia | 2015

Precision of Porosity Calculation from “Material Stopping Power” Using Neutron Radiography☆

Robert Nshimirimana; M.J. Radebe; Frikkie de Beer


Physics Procedia | 2013

Evaluation Procedures for Spatial Resolution and Contrast Standards for Neutron Tomography

M.J. Radebe; F.C. de Beer; A.P. Kaestner; Eberhard Lehmann; C.M. Sim; E. Sideras-Haddad


Nukleonika | 2012

Thermal neutron radiography studies of drying of rectangular blocks of wet mortar

I. M. Fijał-Kirejczyk; J. J. Milczarek; F. C. de Beer; M.J. Radebe; G. Nothnagel; J. Żołądek-Nowak


Physics Procedia | 2015

Upgrading the Neutron Radiography Facility in South Africa (SANRAD): Concrete Shielding Design Characteristics

F.C. de Beer; M.J. Radebe; Burkhard Schillinger; Robert Nshimirimana; M.A. Ramushu; T. Modise


Acta Physica Polonica A | 2012

Application of Statistical Image Analysis in Quantification of Neutron Radiography Images of Drying

I. M. Fijał-Kirejczyk; J. J. Milczarek; J. Żołądek-Nowak; F.C. de Beer; M.J. Radebe; G. Nothnagel


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2011

Evaluation of QNI corrections in porous media applications

M.J. Radebe; F.C. de Beer; Robert Nshimirimana

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F.C. de Beer

South African Nuclear Energy Corporation

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Robert Nshimirimana

South African Nuclear Energy Corporation

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Frikkie de Beer

South African Nuclear Energy Corporation

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G. Nothnagel

South African Nuclear Energy Corporation

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Daniel R.M. Brew

Australian Nuclear Science and Technology Organisation

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L.P. Aldridge

Australian Nuclear Science and Technology Organisation

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Peter J. McGlinn

Australian Nuclear Science and Technology Organisation

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Timothy E. Payne

Australian Nuclear Science and Technology Organisation

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