JP4869833B2 - 熱抵抗及び透湿抵抗測定装置 - Google Patents
熱抵抗及び透湿抵抗測定装置 Download PDFInfo
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Description
前記多孔性金属板は、銅粉の焼結体からなる焼結金属板にメッキを施したのちそのメッキ層の上に0.8以上の赤外線放射率をもつ赤外線放射成分を固着させたものであり、かつ前記多孔性金属板は、前記金属ブロックと着脱自在の関係にあることを特徴とする熱抵抗及び透湿抵抗測定装置である。
ここに、S=60Pa/K、imtは無次元の数値で0〜1の間の値となる。この値が0であるということは、試料が水蒸気を通さない性質であることを意味し、換言すれば透湿抵抗が無限大である。この値が1となる試料は、同じ厚さの空気層と同じ熱抵抗及び透湿抵抗を持つことを意味する。
ここに、φTmは測定部が温度Tmの時の水の蒸発に伴う潜熱で、例えばTm=35℃の時0.672W.h/gである。水蒸気透過性はg/m2.h.Paで表される。
次いで焼結金属板の上に、試験片として、厚さ0.54mm、目付204g/m2の撥水防汚加工した黄色のアラミド製平織物(商品名ノメックスIIIAアラミド)を1〜4枚被せて測定して総熱抵抗を算出したところ、それぞれ0.112、0.135、0.152、0.170K・m2/Wに増大した。試験片の枚数に対して総熱抵抗の値をプロットしたところ1次の回帰直線が得られ、試験片の熱抵抗効果が精度良く検出できた。
[比較例1]
[比較例2]
2: 温度センサ
3: 温度制御装置
4: 加熱電力測定装置
5: 注水装置
6: 金属ブロック
7: 測定部
8: 側面熱及び水蒸気ガード
9: 温度制御装置
10: 温度センサ
11: 測定テーブル
12: 注水路
13: 加熱手段
14: 給水装置
15: 水位制御水槽
16: 給水源
17: 連通管
18: 水位検出センサ
19: 管
20: 底面熱ガード
21: ボルト
Claims (2)
- 測定部が水平に設けた多孔性金属板と、上方に解放した注水路を有しかつ前記多孔性金属板の下面に接して固定されかつ加熱手段を内蔵した金属ブロックと、前記金属ブロックの温度制御装置と、金属ブロック加熱電力測定装置と、前記注水路に水を供給する注水装置とを備えた熱抵抗及び透湿抵抗測定装置において、前記多孔性金属板が0.083〜0.102K・m2/Wの熱抵抗及び0.0078〜0.0123kPa・m2/Wの透湿抵抗を有し、
前記多孔性金属板は、銅粉の焼結体からなる焼結金属板にメッキを施したのちそのメッキ層の上に0.8以上の赤外線放射率をもつ赤外線放射成分を固着させたものであり、かつ前記多孔性金属板は、前記金属ブロックと着脱自在の関係にあることを特徴とする熱抵抗及び透湿抵抗測定装置。 - 前記多孔性金属板は、微細孔の平均径の範囲が5〜40μmである前記焼結金属板の表面に前記微細孔の平均径を前記範囲内に維持するように前記赤外線放射成分を固着させてその表面の赤外線放射率を0.8以上としたものであることを特徴とする請求項1に記載の熱抵抗及び透湿抵抗測定装置。
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Cited By (2)
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CN108279254A (zh) * | 2018-01-16 | 2018-07-13 | 东华大学 | 一种面料热阻回归测量方法 |
CN109211963A (zh) * | 2017-06-30 | 2019-01-15 | 上海新微技术研发中心有限公司 | 一种导热材料热阻性能检测系统及检测方法 |
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JP5634730B2 (ja) * | 2010-03-30 | 2014-12-03 | ユニ・チャーム株式会社 | 人工発汗装置 |
CN101871901B (zh) * | 2010-05-25 | 2012-11-07 | 上海理工大学 | 一种消防服热防护性能检测系统及方法 |
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CN103529073B (zh) * | 2013-10-12 | 2016-04-06 | 东华大学 | 一种非对称热板仪 |
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JPH1041444A (ja) * | 1996-07-23 | 1998-02-13 | Tonen Corp | ヒートシンク材及び本ヒートシンク材と半導体との接着方法 |
JP4028747B2 (ja) * | 2001-09-21 | 2007-12-26 | ユニチカテキスタイル株式会社 | 発汗装置、該発汗装置を使用した快適性評価方法 |
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CN109211963A (zh) * | 2017-06-30 | 2019-01-15 | 上海新微技术研发中心有限公司 | 一种导热材料热阻性能检测系统及检测方法 |
CN109211963B (zh) * | 2017-06-30 | 2021-03-26 | 上海新微技术研发中心有限公司 | 一种导热材料热阻性能检测系统及检测方法 |
CN108279254A (zh) * | 2018-01-16 | 2018-07-13 | 东华大学 | 一种面料热阻回归测量方法 |
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