PIGMENTS TO REFLECT THE INFRARED RADIATION FROM FIRE

被引:42
作者
BERDAHL, P
机构
[1] Energy aand Environment Division, Lawrence Berkeley Laboratory, Berkeley, CA
来源
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 1995年 / 117卷 / 02期
关键词
FIRE FLAMES; RADIATION; TRANSIENT AND UNSTEADY HEAT TRANSFER;
D O I
10.1115/1.2822529
中图分类号
O414.1 [热力学];
学科分类号
摘要
Conventional paints transmit or absorb most of the intense infrared radiation emitted by fire, a fact that contributes to the spread of fire. Techniques used for design of coatings with high visible reflectivity are here adapted to the design of coatings that have high reflectivity in the 1 to 8 mu m wavelength range important in fires. Promising materials for pigments include titanium dioxide, iron oxide, chromium oxide, and silicon, with particle diameters in the 1 to 2 mu m range. Aluminum flake pigments are also effective. Pigment synthesis by the deposition of coatings on mica flakes is briefly discussed.
引用
收藏
页码:355 / 358
页数:4
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