Control of radiative heat transfer in high-temperature environments via radiative trapping—Part I: Theoretical analysis applied to pressurized oxy-combustion
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- 作者：Fei Xia ; Zhiwei Yang ; Adewale Adeosun ; Benjamin M. Kumfer ; Richard L. Axelbaum ; axelbaum@wustl.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Radiation ; Heat flux ; Radiative heat transfer ; Radiative trapping ; High temperature
- 刊名：Fuel
- 出版年：2016
- 出版时间：15 May 2016
- 年：2016
- 卷：172
- 期：Complete
- 页码：81-88
- 全文大小：1424 K
文摘
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An approach is proposed to control wall heat flux in high temperature reacting flows.
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Effects of temperature and absorption coefficient profiles on local heat flux are studied.
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In optically dense media much radiation can be trapped with proper temperature gradient.
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Radiative trapping can occur in a pressurized system with properly designed burner.
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A method is developed to allow for a simple and convenient prediction of wall heat flux.