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Akifumi Yamaji

Waseda University

SCHOLARLY PAPERS

6

DOWNLOADS

216

TOTAL CITATIONS

0

Scholarly Papers (6)

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1.

Visualization Experiment of Wood's Metal Melt Flow and Freezing Behavior and Analysis with Mps Method

Number of pages: 26 Posted: 13 Feb 2024
Haruki Takei, Shinichiro Uesawa, Hiroyuki Yoshida, Xin Li and Akifumi Yamaji
affiliation not provided to SSRN, Japan Atomic Energy Agency, Japan Atomic Energy Agency, Japan Atomic Energy Agency and Waseda University
Downloads 47 (1,097,529)

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severe accident, Solidification, Surface Tension, Computational Fluid Dynamics Simulation, MPS Method

2.

A New Potential Interface Tension Model for Mps Method Avoiding Unphysical Particle Cohesion

Number of pages: 17 Posted: 29 Mar 2022
Takanari Fukuda, Xin Li and Akifumi Yamaji
affiliation not provided to SSRN, affiliation not provided to SSRN and Waseda University
Downloads 44 (1,133,231)

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Moving Particle Semi-implicit (MPS) method Interface tensionPotential modelMultiphase flow

3.

Investigation on Influence of the RPV Depressurization on the PCV Top Head Thermal Load during the Severe Accident of BWR

Number of pages: 31 Posted: 20 Nov 2025
Naoki Hattori and Akifumi Yamaji
affiliation not provided to SSRN and Waseda University
Downloads 41 (1,183,237)

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BWR, Severe Accident Management, RPV depressurization, Steam dryer, PCV top head flange

4.

Core Design Concept of the Supercritical Water-cooled Fast Reactor for In-Vessel Retention

Number of pages: 36 Posted: 10 Dec 2025
Homare Sugimoto and Akifumi Yamaji
affiliation not provided to SSRN and Waseda University
Downloads 40 (1,183,237)

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SCWR, water-cooled fast reactor, core design, severe accident management, debris re-criticality, In-Vessel Retention (IVR)

5.

Numerical Analysis of a Potential Reactor Pressure Vessel (Rpv) Boundary Failure Mechanism in Fukushima Daiichi Nuclear Power Station Unit-2

Number of pages: 36 Posted: 19 Oct 2024
Xin Li, Akifumi Yamaji, Ikken Sato and Takuya Yamashita
affiliation not provided to SSRN, Waseda University, affiliation not provided to SSRN and Japan Atomic Energy Agency
Downloads 37 (1,236,159)

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Fukushim Daiichi Nuclear Power Station, Severe accident analysis, Moving Particle Semi-implicit (MPS) method, Control Rod Drive housings, Boiling Water Reactor (BWR)

6.

Internal-Investigation-Based Interpretation for the Ex-Vessel Phase of the Fukushima Daiichi Unit 1 Accident

Number of pages: 53 Posted: 04 Jun 2026
Ikken Sato, Akifumi Yamaji, Xin Li, Kenta Shimomura and Takuya Yamashita
Waseda University, Waseda University, Japan Atomic Energy Agency, Japan Atomic Energy Agency and Japan Atomic Energy Agency
Downloads 7

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Fukushima Daiichi Unit 1, Molten Core-Concrete Interaction, MCCI-derived secondary product, Fuel debris, Ex-vessel accident progression, Post-accident investigation, heat transfer