書誌事項
- タイトル別名
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- MEASUREMENTS AND NUMERICAL SIMULATIONS ON LONG TERM THERMAL PERFORMANCE OF PLASTIC INSULATION FOAMS
- ハッポウ プラスチックケイ ダンネツザイ ノ チョウキ ダンネツ セイノウ ヘンカ ノ ソクテイ オヨビ スウチ カイセキ
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説明
The insulation materials are used to improve thermal performance of buildings and their performance should be kept in required value during building life time, however long term change of thermal conductivity is observed for most of insulation materials. It is well known that the thermal conductivity of insulation foams increases with time due to the emission of the blowing agents from the insulation foams and the transfer of the air into them.<br> In this paper, the aging of thermal conductivity in various insulation foams is discussed with measured data and numerical analysis. Two kinds of accelerated test are conducted and the aging characteristics of various foams are examined. The estimation equations of thermal conductivity change of insulation foams are shown and applied to the measured materials. The effective diffusion coefficient of the blowing agents is obtained by comparing the simulation results and the measured value.
収録刊行物
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- 日本建築学会環境系論文集
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日本建築学会環境系論文集 73 (634), 1361-1368, 2008
日本建築学会
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詳細情報 詳細情報について
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- CRID
- 1390001205201313920
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- NII論文ID
- 110007005394
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- NII書誌ID
- AA11830377
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- ISSN
- 1881817X
- 13480685
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- NDL書誌ID
- 9743499
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可