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Simulation Exercise of Nuclear Reactor Severe Accidnets
Place: Tsuruga Training Center, The Japan Atomic Power Company
Date: September 11 [Tokyo Tech: Lectures] September 19－22, 2017 [Exercise]
This exercise is intended to become familiar with key facilities related to the safety of nuclear power plants and to experience plant responses by a series of simulations, including transient, design-basis accident and severe accident of Boiling Water Reactor (BWR). To start with, students sat in class to learn the key structures and safety components of BWR, and to understand the analytical results of the accident progress behaviors of the TEPCO’s Fukushima Daiichi nuclear power plant. Using the severe accident analysis code, the students studied the analytical results of typical accident sequences.
After these lectures, each student used a personal computer to simulate and exercise the BWR transient, design-basis accident and severe accident. The globally well-known MAAP code was used as the severe accident analysis code. The exercise was conducted from September 19 through 22 (4 full days), 2017 at the Tsuruga Training Center of Japan Atomic Power Co.
The students also visited both Unit 1 (BWR) and Unit 2 (PWR) of Tsuruga nuclear power plant site of Japan Atomic Power Co. They had a hands-on experience of actual power reactors, which cannot be observed in normal site visit, including isolation condensers of Unit 1 and passive autocatalytic recombiner of Unit 2. They also had an opportunity to learn the safety measures of the power plant, such as power-supply cars and fire-fighting vehicles. The simulation exercise thus received an extremely good reputation among four students participated the course.
