Weights of Wooden Castle Towers and Turrets Estimated from Analyses of Cosmic Ray Measurement Data

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  • 宇宙線測定データを解析して推定した木造天守閣および櫓の重量
  • ウチュウセン ソクテイ データ オ カイセキ シテ スイテイ シタ モクゾウ テンシュカク オヨビ ヤグラ ノ ジュウリョウ

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Abstract

<p>Cosmic ray dose rate measurements were carried out inside 13 wooden castle towers and 5 turrets using a NaI(Tl) spectrometer. Approximating a shape of each tower or turret with a multi-cylindrical shell, a density and thickness of the shell were calculated using an inside/outside ratio of dose rate. The density was multiplied by a volume of the shell in order to obtain its weight. Input data required for the model analysis for each castle tower or turret, i.e., elevation, total floor space, surface area, outside and inside dose rates, were listed along with the corresponding density and thickness of the shell and its weight derived by the model calculation. Comparison with other model calculations and examples of actual weight measurements showed the validity of the calculated results described in this report.</p>

Journal

  • RADIOISOTOPES

    RADIOISOTOPES 69 (3), 121-127, 2020-03-15

    Japan Radioisotope Association

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