2019 Environmental Dynamics of Radioactive Material

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Academic unit or major
Graduate major in Nuclear Engineering
Instructor(s)
Takeshita Kenji  Matsumoto Yoshihisa  Sagara Hiroshi  Han Chi Young  Ebata Shuichiro  Furuno Akiko 
Course component(s)
Lecture / Exercise
Mode of instruction
 
Day/Period(Room No.)
Intensive (未定)  
Group
-
Course number
NCL.O512
Credits
3
Academic year
2019
Offered quarter
2Q
Syllabus updated
2019/6/12
Lecture notes updated
-
Language used
English
Access Index

Course description and aims

This course gives an intense immersive experience that includes calculation, comparison, and evaluation of the atmospheric dispersion of radioactive materials released by nuclear disaster such as nuclear accidents or nuclear terrorism. Students will learn environmental dynamics including small-scale dispersion of radioactive materials caused by nuclear security incidents such as sabotage and RDD (Radiological Dispersal Device) use, and large-scale dispersion by nuclear power plant accidents. The class lectures cover radioactive material release, atmospheric dispersion models, water environmental dynamics, biological effects, and nuclear disaster regulation system. The exercises include 1) dispersion of radioactive materials by nuclear terrorism (small-scale dispersion); calculations using a simple plume model and a fast field-portable code for emergency response, and 2) dispersion of radioactive materials by nuclear power plant accidents (large-scale dispersion); simulations using a system for prediction of environmental emergency dose information. This course aims to help students quantitatively understand the characteristics of factors (meteorological condition, source term, and geographical features) influencing on the small-scale and large-scale dispersion of radioactive materials, and provide them with the immediate response capability needed to adequately respond to such nuclear disaster. In addition, students will understand the importance of immediate protection and evacuation of residents in nuclear disaster from their calculation and evaluation results.

Student learning outcomes

By taking this course, students will learn;
1) Comprehensive and systematic thinking and responding capability to atmospheric dispersion of radioactive materials released by nuclear disaster such as nuclear accidents or nuclear terrorism
2) Technological capability necessary for quick nuclear disaster response (calculation and evaluation of atmospheric dispersion of radioactive materials)
3) Importance of immediate protection and evacuation of residents in nuclear disaster

Keywords

Radioactive Material Dispersion, Atmospheric Dispersion, Nuclear Disaster Response, Nuclear Power Plant Accident, Nuclear Security

Competencies that will be developed

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

Class flow

Prior to conducting each exercise, relevant lectures are given and after the exercises, students will present and discuss.

Course schedule/Required learning

  Course schedule Required learning
Class 1 (Aug 23 (Fri) 09:00-10:30) Nuclear Accidents and Radionuclide Release Understand the classification of nuclear accidents, and learn about features of fission products and accidents source terms.
Class 2 (Aug 23 (Fri) 10:45-12:15) Atmospheric Dispersion Models Understand the features of atmospheric dispersion models, and lean about the WSPEEDI-II calculation models of meteorological field and particle dispersion
Class 3 (Aug 23 (Fri) 13:15-14:45) Water Environmental Dynamics Acquire fundamentals of water environment and circulation, and understand the process and analysis models of pollution and self-purification in river water and transport of radioactive materials in groundwater.
Class 4 (Aug 23 (Fri) 15:00-16:30) Biological Effects of Radioactive Substances Understand the stochastic and deterministic effects of radioactive materials, and learn about external and internal exposure evaluation.
Class 5 (Aug 23 (Fri) 16:45-18:15) Nuclear Disaster Regulation System Understand the nuclear disaster regulation system of Japan.
Class 6 (Aug 24 (Sat) 09:00-10:30) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Use of the System for Prediction of Environmental Emergency Dose Information (1) Learn how to use WSPEEDI-II code (1).
Class 7 (Aug 24 (Sat) 10:45-12:15) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Use of the System for Prediction of Environmental Emergency Dose Information (2) Learn how to use WSPEEDI-II code (1).
Class 8 (Aug 24 (Sat) 13:15-14:45) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Atmospheric Dispersion Calculations for the Reference Scenario at Fukushima (1) Simulate atmospheric dispersion of radioactive materials for the reference scenario with WSPEEDI-II code (1).
Class 9 (Aug 24 (Sat) 15:00-16:30) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Atmospheric Dispersion Calculations for the Reference Scenario at Fukushima (2) Simulate atmospheric dispersion of radioactive materials for the reference scenario with WSPEEDI-II code (2).
Class 10 (Aug 25 (Sun) 09:00-10:30) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Atmospheric Dispersion Calculations for the Individual Scenario with Different Weather Condition (1) Simulate atmospheric dispersion of radioactive materials for the individual scenario with WSPEEDI-II code (1).
Class 11 (Aug 25 (Sun) 10:45-12:15) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Atmospheric Dispersion Calculations for the Individual Scenario with Different Weather Condition (2) Simulate atmospheric dispersion of radioactive materials for the individual scenario with WSPEEDI-II code (2).
Class 12 (Aug 25 (Sun) 13:15-14:45) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Comparative Analysis and Evaluation (1) Compare and evaluate the simulation results, and prepare presentation and discussion (1).
Class 13 (Aug 25 (Sun) 15:00-16:30) Exercise 2 : Dispersion of Radioactive Materials by NPP Accidents - Comparative Analysis and Evaluation (2) Compare and evaluate the simulation results, and prepare presentation and discussion (2).
Class 14 (Aug 26 (Mon) 09:00-10:30) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - How to Calculate Atmospheric Dispersion Using a Simple Plume Model Learn how to calculate atmospheric dispersion using a simple plume model.
Class 15 (Aug 26 (Mon) 10:45-12:15) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - Nuclear Terrorism Scenario Setups and Atmospheric Dispersion Calculations with the Plume Model Calculate atmospheric dispersion of radioactive materials with the plume model.
Class 16 (Aug 26 (Mon) 13:15-14:45) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - Use of the Field-Portable Atmospheric Dispersion Code for Emergency Response (1) Learn how to use HotSpot code (1).
Class 17 (Aug 26 (Mon) 15:00-16:30) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - Use of the Field-Portable Atmospheric Dispersion Code for Emergency Response (2) Learn how to use HotSpot code (2).
Class 18 (Aug 27 (Tue) 09:00-10:30) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - Atmospheric Dispersion Calculations for the Scenarios Using the Code (1) Calculate atmospheric dispersion of radioactive materials with HotSpot code (1).
Class 19 (Aug 27 (Tue) 10:45-12:15) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - Atmospheric Dispersion Calculations for the Scenarios Using the Code (2) Calculate atmospheric dispersion of radioactive materials with HotSpot code (2).
Class 20 (Aug 27 (Tue) 13:15-14:45) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - Comparative Analysis and Evaluation (1) Compare and evaluate the calculation results, and prepare presentation and discussion (1).
Class 21 (Aug 27 (Tue) 15:00-16:30) Exercise 1 : Dispersion of Radioactive Materials by Nuclear Terrorism - Comparative Analysis and Evaluation (2) Compare and evaluate the calculation results, and prepare presentation and discussion (2).
Class 22 (Aug 28 (Wed) 13:00-14:30) Presentation and Discussions (1) Make presentations and discussions of the exercise results (1)
Class 23 (Aug 28 (Wed) 14:30-16:00) Presentation and Discussions (2) Make presentations and discussions of the exercise results (2)

Textbook(s)

Not specified

Reference books, course materials, etc.

References:
- Steven G. HOMANN and Fernando ALUZZI, “HotSpot Health Physics Codes Version 3.0 User’s Guide,” National Atmospheric Release Advisory Center, Lawrence Livermore National Laboratory, LLNL-SM-636474, 2014.
- Chika NAKANISH, Sohei SATO, Akiko FURUNO, Hiroaki TERADA, Haruyasu NAGAI, and Shige MUTO, “WSPEEDI-II System User's Manual for a Nuclear or Radiological Emergency,” Nuclear Emergency Assistance and Training Center, Japan Atomic Energy Agency, JAEA-Technology 2011-005, 2011.

Course Materials:
Handouts will be distributed before or at the beginning of class when necessary.

Assessment criteria and methods

Activities in Class (30%), Achievements of Exercise Missions (30%), Presentation and Discussion on Exercise Results (20%), and Homework Assignments (20%)

Related courses

  • NCL.O401 : Nuclear Non-proliferation and Security
  • NCL.O511 : Nuclear Non-proliferation and Security Exercise

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

There is a limit on the number of students who can take this course.

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