Study on intrinsic safe fast reactors to prevent re-criticality by convex core shape

Toshio Wakabayashi

Presentation information

Oral presentation

III. Fission Energy Engineering » 301-2 Reactor Design, Nuclear Energy Strategy, Nuclear Transmutation

[2F19-21] Intrinsic Safe Fast Reactor

Tue. Mar 27, 2018 5:15 PM - 6:00 PM Room F (U2-211 -U2 Building)

Chair: Hirokazu Ohta (CRIEPI)

5:30 PM - 5:45 PM

[2F20] Study on intrinsic safe fast reactors to prevent re-criticality by convex core shape

(2)Study on fuel with central axis absorber

*Toshio Wakabayashi¹, Makoto Takahashi¹, Naoyuki Tkaki², Yoshiaki Tachi³ (1. Tohoku University, 2. Tokyo City University, 3. Japan Atomic Energy Agency)

Keywords:Fast reactor, Re-criticality, Convex shaped core, Central axis absorber

Reactivity at fuel melting, void reactivity and Doppler coefficient were analyzed and evaluated when the fuel with central axis absorber was used for the convex core.