Dr. Machrafi has worked in different international institutions and collaborations in Russia, Germany, South Korea, and Canada. His work has been related to applied radiation science, nuclear energy production, nuclear waste transmutation, radiation detection for nuclear security and safety, and space radiation.
Areas of expertise
NUCL 1530U
Radiation and Nuclear Technologies
This course provides an introduction and overview of the application of radiation and nuclear technologies in society with particular emphasis on energy production, the environment and medicine. The importance of safety in general and radiation safety in particular is also covered. A principal aim of the course is to provide students with a broad overview of the many practical applications of radiation and nuclear technologies and the role of scientists and engineers in the development of these technologies for the betterment of society and the protection of the environment.
NUCL 2950U
Radiation Protection
Defines and introduces basic concepts in radiation safety; dose limits and risk; protection from external radiation: time, decay and distance, shielding, access control; external radiation hazards; radiation surveys; internal radiation hazards; behaviour of internal sources, annual limit on intake, derived air concentration for tritium, radioiodines, particulates; bioassay; contamination control; basic principles of radiation dosimetry; calculation of internal and external body radiation exposures; regulations concerning radioactive materials; safe working with radiation.
RADI 4430U
Industrial Applications of Radiation
An introduction to application of ionizing and non-ionizing radiation to industrial probing, gauging, imaging and monitoring. Topics include: monitors (smoke detectors, radon monitors), density gauging using alpha, beta and gamma radiation; thickness gauging using charged particles, photons and neutrons; fluid flow and void fraction measurements, element and content analysis using neutron activation analysis and fluoroscopic excitation, Mossbauer spectroscopy, industrial radiography and computed tomography using photons and neutrons; emission tomography, ultrasound and eddy current flaw detection.
NUCL 5400G
Advanced Radiation Science
This course introduces advanced concepts in radiation engineering, with an emphasis on how ionizing radiation interactions with matter may be modelled. The course reviews fundamental particle interaction mechanics, measurement and detection of radiation, evaluation of nuclear cross sections and various solutions to the Boltzmann transport equation.
PhD in Nuclear Physics
Joint Institute for Nuclear Research, Russia
MASc in Nuclear Physics
Voronezh State University, Russia
BSc in Physics
King M.V. University, Morocco
Canadian Nuclear Society (CNS)
