Radianceを用いたブラインド光学特性の解析に関する実験的検証

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  • INVESTIGATION OF OPTICAL PROPERTY THROUGH VENETIAN BLINDS SIMULATED USING RADIANCE AND COMPARISON WITH EXPERIMENTAL DATA
  • Radiance オ モチイタ ブラインド コウガク トクセイ ノ カイセキ ニ カンスル ジッケンテキ ケンショウ

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In this study, we compared the analytical values of light transmittance through venetian blinds calculated using the lighting simulation program Radiance with measured values of the transmittance.<br>First, we measured the transmittance using a box with blinds on a building roof in summer and winter, and then, we simulated this box using Radiance under the same conditions.<br>We investigated the appropriate conditions for simulation, including the number of planes in the curved surface of the blind slats and the slat reflectance for specular and diffuse reflections.<br>Overall, the analytical values of transmittance are 0-10% lower than values measured.

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