A numerical study is made of the thermal characteristics of semitransparent materials exposed to simultaneous conduction and radiation between concentric cylinders. For extremely high-temperature applications, where radiative transfer plays an important role, ceramic-matrix composites, considered as semitransparent materials, are being explored for potential use in turbine and compressor components, spacecraft structures, engine control systems and nuclear reactors. Through the use of a gray model and the two-flux method, specialized equations are developed that generate a system of nonlinear ordinary differential equations. To facilitate the solution of this system, an iterative strategy is adopted. In order to demonstrate the versatility and accuracy of the proposed methodology, the results of several numerical experiments are presented and compared with benchmark solutions.
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April 1998
Research Papers
Analysis of the Temperature Profile of Ceramic Composite Materials Exposed to Combined Conduction–Radiation Between Concentric Cylinders
A. Tremante,
A. Tremante
Departamento de Conversio´n y Transporte de Energi´a. Universidad Simo´n Boli´var, Caracas, Venezuela
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F. Malpica
F. Malpica
Departamento de Termodina´mica y Feno´menos de Transferencia. Universidad Simo´n Boli´var, Caracas, Venezuela
Search for other works by this author on:
A. Tremante
Departamento de Conversio´n y Transporte de Energi´a. Universidad Simo´n Boli´var, Caracas, Venezuela
F. Malpica
Departamento de Termodina´mica y Feno´menos de Transferencia. Universidad Simo´n Boli´var, Caracas, Venezuela
J. Eng. Gas Turbines Power. Apr 1998, 120(2): 271-275 (5 pages)
Published Online: April 1, 1998
Article history
Received:
March 1, 1997
Online:
November 19, 2007
Citation
Tremante, A., and Malpica, F. (April 1, 1998). "Analysis of the Temperature Profile of Ceramic Composite Materials Exposed to Combined Conduction–Radiation Between Concentric Cylinders." ASME. J. Eng. Gas Turbines Power. April 1998; 120(2): 271–275. https://doi.org/10.1115/1.2818115
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