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In the present study, the heat-storage capacity of wood-shaving insulation panels was compared with that of glass-wool panels, focusing on daily changes in room temperature in winter. The moisture gradient of wood-shaving insulation panels was also examined with respect to the avoidance of dew condensation. The panels were installed in two different rooms, with the same structure and thermal resistance, of a small one-story house (18m^2) built in Morioka, Japan. The rooms were heated for 12 hours a day (0-12pm, 20℃) by an air conditioner, and\nthe surface and air temperatures of the two rooms were compared. Minimum room temperatures in the early morning were found to be 2℃ higher in the room with wood shaving insulation panels. This was due to the fact that room surface temperatures were\n0.6-1.6℃ higher, since the thermal diffusivity of the wood-shaving insulation panels is half that of the glass wool panels. 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プレーナー屑を原料とする住宅用断熱材の蓄熱効果と材内水分傾斜
https://iwate-u.repo.nii.ac.jp/records/8969
https://iwate-u.repo.nii.ac.jp/records/896917a5f706-d3ff-4c3c-a7b9-b1859b38faea
名前 / ファイル | ライセンス | アクション |
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biuf-n40p1-17.pdf (666.2 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2011-02-17 | |||||
タイトル | ||||||
タイトル | プレーナー屑を原料とする住宅用断熱材の蓄熱効果と材内水分傾斜 | |||||
その他のタイトル | ||||||
その他のタイトル | Heat-storage capacity and moisture gradient of wood-shaving insulation panels for building use | |||||
著者 |
関野, 登
× 関野, 登× 安喰, 萌 |
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著者別名 | ||||||
姓名 | SEKINO, Noboru | |||||
著者別名 | ||||||
姓名 | AJIKI, Moe | |||||
著者(機関) | ||||||
岩手大学環境学系 | ||||||
著者(機関) | ||||||
元岩手大学農学部農林環境科学科森林科学講座 | ||||||
Abstract | ||||||
内容記述タイプ | Other | |||||
内容記述 | The thermal diffusivity of insulation panels consisting of wood shavings is smaller than that of the glass-wool panels that are commonly used in buildings as insulation material. In the present study, the heat-storage capacity of wood-shaving insulation panels was compared with that of glass-wool panels, focusing on daily changes in room temperature in winter. The moisture gradient of wood-shaving insulation panels was also examined with respect to the avoidance of dew condensation. The panels were installed in two different rooms, with the same structure and thermal resistance, of a small one-story house (18m^2) built in Morioka, Japan. The rooms were heated for 12 hours a day (0-12pm, 20℃) by an air conditioner, and the surface and air temperatures of the two rooms were compared. Minimum room temperatures in the early morning were found to be 2℃ higher in the room with wood shaving insulation panels. This was due to the fact that room surface temperatures were 0.6-1.6℃ higher, since the thermal diffusivity of the wood-shaving insulation panels is half that of the glass wool panels. However, the amount of heating energy required was 4% greater in the room insulated with the wood-shaving panels due to a 30% greater heat mass. During one-week of continuous room heating in the dead of winter, a large moisture and temperature gradient developed throughout the thickness of the wood-shaving insulation panel. When the temperature gradient reached 20℃, the moisture content was 24% at the lowest-temperature surface and 5% at the highest-temperature surface. However, dew condensation was not observed. Measurement of heat-flow in the presence of this moisture gradient revealed that the thermal conductivity of the wood-shaving insulation panel did not change. Moreover, the moisture gradient disappeared with in a couple of days following the disappearance of the temperature gradient, suggesting that moisture permeability is great inside the wood-shaving panel. |
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出版者 | ||||||
出版者 | 岩手大学農学部附属寒冷フィールドサイエンス教育研究センター | |||||
登録日 | ||||||
日付 | 2011-02-17 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
書誌情報 |
岩手大学農学部演習林報告 号 40, p. 1-17, 発行日 2009-03-30 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0286-4339 |