A technique to determine the emissivity with the temperature of a Fe-5.8 pct Al-22 pct Cr alloy

被引：0
|
作者：
Bhagat, K. N. [1 ]
Reddy, G. S.
Jog, M. A.
Aust, R.
Vasudevan, V. K.
Sekhar, J. A.
机构：
[1] Univ Cincinnati, Dept Mech Ind & Nucl Engn, Cincinnati, OH 45221 USA
[2] Univ Cincinnati, Dept Chem & Mat Engn, Cincinnati, OH 45221 USA
[3] MHI Inc, Cincinnati, OH 45215 USA
[4] Krieger GmbH, D-41238 Monchengladbach, Germany
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2007年 / 38卷 / 04期
关键词：
Emissivity; Normal Spectral Emissivity; Ferritic Alloy; Molybdenum Disilicide; Emissivity Number;
D O I：
10.1007/s11663-007-9072-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High-chromium containing single-phase ferritic alloy surfaces are commonly used in high-temperature radiant heating applications. The surface emissivity number at any given temperature determines the rate of conversion from internal to radiant energy. In this article, using experimental data and numerical simulations, we have determined the emissivity of a Fe-5.8 pet Al-22 pet Cr alloy surface, as a function of temperature. Experimentally measured temperature values were compared with results from numerical simulations in order to accurately determine the surface emissivity. In the temperature range of 1200 to 1350 K, the emissivity was noted to increase with temperature.
引用
收藏
页码：725 / 728
页数：4
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