2022 Annual Meeting

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Oral presentation

II. Radiation, Accelerator, Beam and Medical Technologies » 202-1 Radiation Behaviors, Radiation Shielding

[1B10-15] Radiation Shielding

Wed. Mar 16, 2022 2:45 PM - 4:25 PM Room B

Chair: Masato Watanabe (Chubu Electric Power)

3:30 PM - 3:45 PM

[1B13] A study on duct streaming from maze in medical linac room

*Takuma Noto1, Kazuaki Kosako1, Hitoshi Nakashima1 (1. Shimizu)

Keywords:Shielding design, Effective dose, Duct streaming, Maze, Linac

A duct streaming method for leakage from ducts penetrating the shielding wall from inside the maze to outside the room, which is necessary for the shielding design of a medical linac room for cancer treatment, was studied. We calculated the effective doses leaking from the ducts by using a three-dimensional Monte Carlo code MCNP5 and compared with the duct streaming method.