Shadow Characteristics of a Column in an Infinite Length Room

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概要

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• This paper deals with characteristics of the illuminance and the shadow factor within a shadow affected by reflected light, in an infinite length room which has a ribbon-shaped light source and a column (a shadow caster) of infinite length.Calculations are done by Monte Carlo method which is widely used lately to predict the illuminance distribution of a room.First, Monte Carlo method for numerical calculations is presented to obtain the illuminance within a shadow. Next, some experiments are made under the same conditions as the calculations. And, the experimental results are compared with the calculated results. As there is not a large difference seen between them, it is confirmed that the above method is suitable.Finally, the characteristics of the illuminance and the shadow factor on the floor at the varied reflectances of the room surface and the shadow caster are obtained and examined.

• 社団法人照明学会の論文

著者

• Takubo Akio

  Matsushita Electronics Corporation

• OHTANI Yoshihiko

  Department of Electrical Engineering, College of Industrial Technology, Nihon University

• YAMAYA Tetsuo

  Department of Electrical Engineering, College of Industrial Technology, Nihon University

• Yamaya Tetsuo

  Department Of Electrical Engineering College Of Industrial Technology Nihon University

• Ohtani Yoshihiko

  Department Of Electrical Engineering College Of Industrial Technology Nihon University

• OHTANI Yoshihiko

  Department of Electrical and Electronic Engineering, College of Industrial Technology, Nihon University

関連論文

• Shadow Characteristics of a Column in an Infinite Length Room
• Attempt to Predict Utilization Factors on Working Plane within Shadow under Task Ambient Lighting
• Fundamental Study of Shadow Characteristics under Task Ambient Lighting
• Illuminance Calculation Using Monte Carlo Method
• Shadow characteristics under various light sources : in the case of a horizontal disk as a shadow caster

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