2016 Environmental Dynamics of Radioactive Nuclides

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Academic unit or major
Graduate major in Nuclear Engineering
Han Chi Young  Takeshita Kenji  Matsumoto Yoshihisa  Sagara Hiroshi  Nagai Haruyasu 
Class Format
Lecture / Exercise     
Media-enhanced courses
Day/Period(Room No.)
Intensive (N2-571,先導原子力研実験室)  
Course number
Academic year
Offered quarter
Syllabus updated
Lecture notes updated
Language used
Access Index

Course description and aims

Numerical simulation of the environmental dispersion of radioactive materials released from virtual nuclear accidents and evaluation of the public exposure are performed, by using the WSPEEDI-II system.
Students will be able to predict the environmental dispersion of radionuclides by nuclear accidents and its radiological consequence.

Student learning outcomes

Students should understand radionuclide release by nuclear accidents, environmental dispersion, and biological effects. They should acquire the ability to simulate and predict the environmental dispersion of radionuclides and evaluate the public exposure by using the WSPEEDI-II system.


Environmental Dispersion of Radionuclides, Nuclear Accident,WSPEEDI, Atmospheric Dispersion, Biological Effects of Radionuclides

Competencies that will be developed

Specialist skills Intercultural skills Communication skills Critical thinking skills Practical and/or problem-solving skills

Class flow

Lecture: 6, Exercise: 10, and Presentation: 2

Course schedule/Required learning

  Course schedule Required learning
Class 1 Nuclear Accidents and Radionuclide Release
Class 2 Source Terms in Nuclear Disasters
Class 3 Biological Effects of Radionuclides
Class 4 Water Environmental Dynamics
Class 5 Atmospheric Dispersion Models (1)
Class 6 Atmospheric Dispersion Models (2)
Class 7 WSPEEDI-II Use and Input (1)
Class 8 WSPEEDI-II Use and Input (2)
Class 9 WSPEEDI-II Simulation (1)
Class 10 WSPEEDI-II Simulation (2)
Class 11 WSPEEDI-II Simulation (3)
Class 12 WSPEEDI-II Simulation (4)
Class 13 WSPEEDI-II Simulation (5)
Class 14 WSPEEDI-II Simulation (6)
Class 15 WSPEEDI-II Simulation (7)
Class 16 WSPEEDI-II Simulation (8)
Class 17 Presentation of Exercises (1) Presentation should cover introduction of scenarios, comparison and analysis of simulation results, and discussion.
Class 18 Presentation of Exercises (2) Presentation should cover introduction of scenarios, comparison and analysis of simulation results, and discussion.


Nuclear Accidents and Radionuclide Release, Source Terms in Nuclear Disasters, Biological Effects of Radionuclides, Water Environmental Dynamics, Atmospheric Dispersion Models, WSPEEDI-II Use and Input, WSPEEDI-II Simulation, and Presentations of Exercises.

Reference books, course materials, etc.

Chika Nakanishi, Sohei, Sato, Akiko Furuno, Hiroaki Terada, Haruyasu Nagai, and Shigeo Muto, "WSPEEDI-II System User's Manual for a Nuclear or Radiological Emergency,"Japan Atomic Energy Agency, JAEA-Technology 2011-005, 2011.

Assessment criteria and methods

Presentation (40%) and Report (60%)

Related courses

  • NCL.U401 : Measurement of Environmental Radiation
  • NCL.U604 : Nuclear Security Training

Prerequisites (i.e., required knowledge, skills, courses, etc.)

Only for Students of "The Academy for Global Nuclear Safety and Security Agent"

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