Characterization of Humidity Conditioning Ceramics by B-Value Method.
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- SUZUKI Shin
- Suzuki Industry Co., Ltd.
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- TOMURA Shinji
- National Industrial Research Institute of Nagoya
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- MAEDA Masaki
- National Industrial Research Institute of Nagoya
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- INUKAI Keiichi
- National Industrial Research Institute of Nagoya
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- OHASHI Fumihiko
- National Industrial Research Institute of Nagoya
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- SUZUKI Masaya
- National Industrial Research Institute of Nagoya
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- SHIBASAKI Yasuo
- National Industrial Research Institute of Nagoya
Bibliographic Information
- Other Title
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- B値法を用いた調湿セラミック材料の調湿特性評価
- Bチホウ オ モチイタ チョウシツセラミック ザイリョウ ノ チョウシツトクセイ ヒョウカ
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Abstract
To characterize humidity conditioning ceramics, the relative humidity as a function of temperature (H(T)) was measured using a glass desiccator technique with varying the ambient temperature between 298 and 288K. A logarithmic plot of H(T) was approximately represented by a linear function, and the humidity conditioning ability was evaluated by the slope (B) of such a linear equation (B-value method). Humidity conditioning ceramics, made of several ceramic materials such as Wakkanai diatomaceous shale, calcium silicate and zeolite, were characterized according to their B-values in comparison with wood. The relation between the B-value and the ratio of the exposed surface area of the material to the volume of desiccator was also investigated to extend the efficiency of the B-value method to the large scale of actual applications. It was also found that the B-value method to estimate the humidity conditioning ability for wooden material can be applied to porous ceramics, which had B-values higher than wood. The porous diatomaceous ceramics showed the highest B-value among the ceramic investigates.
Journal
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- Journal of the Ceramic Society of Japan
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Journal of the Ceramic Society of Japan 108 (1254), 202-205, 2000
The Ceramic Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205249798272
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- NII Article ID
- 110002289990
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- NII Book ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL BIB ID
- 4981294
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed