Abstract
This study is a contribution to characterizations of non-isothermal ceramic samples, for mean temperatures higher than 1000 °C. The objective is to determine the infrared radiative emission, of materials often used as thermal barrier coatings, under realistic thermal boundary conditions. The problem is treated by both experimental and numerical approaches that reveal additional ways of investigation. Results from sintered zirconia and plasma-sprayed alumina are presented. The experimental bench, designed and built to perform emission measurements on semi-transparent ceramics at high temperature, is described. The numerical code used to solve coupled conduction–radiation heat transfers in semi-transparent media is introduced. Special attention is paid to calculation of radiative properties of plasma-sprayed samples characterized by their complex internal microstructure. Experimental and theoretical emission factors obtained from these kinds of ceramics samples are compared and analyzed. The influence of the inside temperature gradient on emission is discussed.
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Abbreviations
- E :
-
Electric field, V · m−1
- F λ :
-
Spectral emission factor
- h :
-
Mean convective coefficient, W · m−2 · K−1
- H :
-
Magnetic field, T
- I λ :
-
Spectral radiative intensity, W · m−2· sr−1 · μm−1
- n, k:
-
Optical indexes
- p :
-
Phase function
- Q scat :
-
Scattering efficiency
- q r :
-
Radiative heat flux, W · m−2
- r :
-
Particle radius, m
- T :
-
Temperature, K
- x :
-
Spatial position
- w :
-
Width, m
- κ:
-
Volume absorption coefficient, m−1
- λ:
-
Wavelength, μm
- k c :
-
Thermal conductivity, W · m−1· K−1
- σ :
-
Volume scattering coefficient, m−1
- b:
-
Relative to a blackbody
- λ:
-
Spectral
- Ch:
-
Christiansen
- inc:
-
Incidence
- obs:
-
Observation
- scat:
-
Scattering
References
R. Bush, J. Patten, J. Fairbanks, MCIC 75-27, in Proceedings of 1974 Gas Turbine Materials in the Marine Environment Conference Castine, Maine
Wortman D.J., Nagaraj B.A., Duderstadt E.C.: Mater. Sci. Eng. A 121, 433 (1989)
S.M. Meier, D.K. Gupta, 92-GT-203, ASME (1992)
Maricocchi A., Bartz A., Wortman D.: J. Therm. Spray Technol. 6, 2 (1997)
Soechting F.O.: J. Therm. Spray Technol. 8, 4 (1999)
Miller R.A.: J. Therm. Spray Technol. 6, 1 (1997)
Cao X.Q., Vassen R., Stoever D.: J. Eur. Ceram. Soc. 24, 1 (2004)
DeMasi J.T., Sceffler K.D., Bose S.: J. Eng. Gas Turbines Power 112, 521 (1990)
Sadooghi P.: JQSRT 93, 461 (2005)
Siegel R., Howell J.R.: Thermal Radiative Heat Transfer, 3rd edn. Hemisphere, New York (1992)
R. Lopes, L.M. Maura, A. Delmas, J.F. Sacadura, 7th AIAA/ASME, Albuquerque, 1998, No. 98-2934
Sova R.M., Linevsky M.J., Thomas M.E., Mark F.F.: Infrared Phys. Technol. 39, 251 (1998)
Brun J.F.: Thèse de doctorat de physique d’Orléans. Université d’Orléans, Orleans (2003)
D. Demange, M. Bejet, B. Dufour, QIRT 8th Conference, 2006
Sadooghi P.: JQSRT 92, 403 (2005)
Ng D., Fralick G.: Rev. Sci. Instrum. 72, 2 (2001)
Robin L., Delmas A., Lanternier T.: QIRT 2, 4 (2007)
L. Robin, A. Delmas, T. Lanternier, F. Oeldhoffen, V. Ducamp, IHTC 13, 2006
Rousseau B., Brun J.F., DeSousa Meneses D., Echegut P.: Int. J. Thermophys. 26, 1277 (2005)
Clarke D.R.: Surf. Coat. Technol. 163–164, 67 (2003)
McPherson R.: Thin Solid Films 112, 89 (1984)
Ilavsky J., Berndt C., Karthikeyan J.: J. Mater. Sci. 32, 15 (1997)
Ilavsky J., Long G., Allen A., Berndt C.: Mater. Sci. Eng. A 272, 215 (1999)
J.P. Heliot, 3rd International Workshop on Chiral Bi-isotropic and Bi-anisotropic Media (Périgueux, France, 1994)
Cabannes F., Billard D.: Int. J. Thermophys. 8, 1 (1987)
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Delmas, A., Robin-Carillon, L., Oelhoffen, F. et al. Experimental and Theoretical Characterization of Emission from Ceramics at High Temperature: Investigation on Yttria-Stabilized Zirconia and Alumina. Int J Thermophys 31, 1092–1110 (2010). https://doi.org/10.1007/s10765-010-0822-9
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DOI: https://doi.org/10.1007/s10765-010-0822-9