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Heat Transfer Research
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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v35.i34.70
8 pages

Using a Porous Segment to Increase Thermal Efficiency by Converting Gas Enthalpy to Thermal Radiation in High-Temperature Industrial Furnaces: Exact Solution

Kamel Hooman
Mechanical Engineering Department, Persian Gulf University, Bushehr 75168, Iran
A. A. Ranjbar-Kani
Mechanical Engineering Department, Faculty of Engineering, Mazandaran University, PO Box 484, Babol, Iran
Arash Ejlali
Reservoir Research Center, Azarab Co.; and Reactor-Saz Co., Engineering Deptartment, Tehran, Iran

RÉSUMÉ

Based on the concept of local thermal equilibrium an exact solution is reported to investigate effects of a porous segment at the outlet of a high-temperature one-dimensional duct modeled as an industrial furnace. Since the enthalpy of a high-temperature gas is converted to thermal radiation by means of this porous segment, thermal efficiency increases. The two-flux method is taken into account for this problem.


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