Heat transfer in a channel between vertical electronic circuit boards cooled by natural air convection.

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概要

• 論文の詳細を見る

• Heat transfer between vertical electronic boards was studied. Each electronic board consisted of a printed writing plate with 81 or 162 electronic resistance devices attached.<BR>Temperature distribution on the writing plate and temperature and gas velocity distributions between the boards were measured with thermocouples and a laser doppler velocimeter (LDV). Those distributions were affected by electric power supplied, distance between the boards and open ratios at the top and bottom of the shelf. The average Nusselt number and average Reynolds number for the electronic boards were obtained. These values were calculated from empirical equations obtained with the flat vertical parallel plates with suitable modification.<BR>To calculate the temperature distribution and axial gas velocity distribution between the boards, fundamental equations were solved numerically with suitable boundary conditions. The calculated temperature and axial gas distributions approximately agreed with experimental values.

• The Society of Chemical Engineers, Japanの論文

著者

• Takarada Takayuki

  Department Of Biological And Chemical Engineering Gunma University

• Kato Kunio

  Department Of Applied Quantum Physics And Nuclear Engineering Kyushu University

• Sato Hajime

  Department Of Applied Mathematics Faculty Of Science Science University Of Tokyo

• Miyazaki Hiroshi

  Department Applied Physics Tohoku University

• Kato Kunio

  Department of Biological and Chemical Engineering, Gunma University

• Nakagawa Nobuyoshi

  Department of Biological & Chemical Engineering, Gunma University

• Sato Hajime

  Department of Biological and Chemical Engineering, Gunma University

• Takarada Takayuki

  Department of Biological and Chemical Engineering, Gunma University

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