Research field (2):
Nuclear engineering
, Nuclear engineering
Research keywords (6):
Radioactive Material Transportation
, Marine Transport
, Transport Packaging
, Spent Nuclear Fuel Storage
, Nuclear Waste Management
, Radiation Shielding
Research theme for competitive and other funds (2):
2020 - 2022 ICRP2007年勧告等を踏まえた遮蔽安全評価法の適切な見直しに関する研究
2016 - 2019 γ線多重層ビルドアップ係数表示式の系統的パラメータ推定に関する研究
Papers (23):
Seiki Ohnishi, Fumiyoshi Nobuhara, Yoshihiro Hirao. Effect of Photonuclear Reactions on the Photon Deep Penetration Problem for Buildup Factor Calculation. Nuclear Science and Engineering. 2023. 198. 2. 517-526
Kimura, K, Ogata, T, Nakata, M, Shigyo, N, Hirao, Y, Sakamoto, Y. Discussion on the standardization of concrete composite for radiation shielding design I - Concept of standard concrete for radiation shielding. 2017 International Congress on Advances in Nuclear Power Plants, ICAPP 2017. 2017
Ogata, T, Kimura, K, Nakata, M, Okuno, K, Hirouchi, T, Kawano, N, Oishi, K, Tanaka, K, Amano, T, Hirao, Y. Discussion on the Standardization of Shielding Materials - Sensitivity Analysis of Material Compositions. The European Physical Journal Conferences, ICRP-13. 2017. 153:02004
S. Ohnishi, B. Thornton, S. Kamada, Y. Hirao, T. Ura, N. Odano. Conversion factor and uncertainty estimation for quantification of towed gamma-ray detector measurements in Tohoku coastal waters. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. 2016. 819. 111-121
Yoshihiro Hirao, Seiki Ohnishi, Blair Thornton, Yusuke Yano, Naoteru Odano, Tamaki Ura. Development of a Sonar System to Estimate the Seafoor Subsurface Burial Depth of a Towed Gamma-Ray Spectrometer. MARINE TECHNOLOGY SOCIETY JOURNAL. 2014. 48. 3. 155-166
Photon Shielding Calculation Guidelines Based on the ICRP2007 Recommendations. https://www.nra.go.jp/activity/houshasenbougo/kenseika_houkokusyo.html#section7. 2022