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An Experimental Investigation of Free Convection Cooling of Electronic Equipment : A Printed-Wiring-Board Placed Horizontally within Cabinet

Memoirs of the Faculty of Engineering, Yamaguchi University Volume 34 Issue 2 Page 219-223
published_at 1984
KJ00000156506.pdf
[fulltext] 459 KB
Title
電子機器の自然空冷に関する研究 : エンクロージャの影響
An Experimental Investigation of Free Convection Cooling of Electronic Equipment : A Printed-Wiring-Board Placed Horizontally within Cabinet
Creators Miyamoto Masahide
Creators Katoh Yasuo
Creators Kurima Junji
Creators Sakata Masaichi
Source Identifiers
An experiment was carried out to study free convection cooling of electronic components on a PWB placed horizontally within the cabinet. The cabinets (200mm×150mm in cross-section 80mm high), which were made from acrylic resins plates (4mm thick), had the ventilating many small holes in the front panel and the bottom panel. The ratio of the ventilating hole area in the front panel to the front panel inside area was altered by changing the diameter of each hole. The effects of the ventilation on the hottest temperature in the PWB are cleared quantitatively by using this ventilating area ratio. The flow pattern in the cabinets was visualised by using the tobacco smoke and the laser beam. It seemed that there was a close connection between the flow pattern and the location of the hot spot on the PWB, and that the ventilating holes in the bottom was not useful for cooling the PWB.
Subjects
機械工学 ( Other)
Languages jpn
Resource Type departmental bulletin paper
Publishers 山口大学工学部
Date Issued 1984
File Version Version of Record
Access Rights open access
Relations
[ISSN]0372-7661
[NCID]AN00244228
Schools 工学部