Abstract
A novel device for direct determination of the total directional emissivity of solid surfaces at near-ambient temperatures is described. The method of operation is based on comparing the radiation emitted by the surface with that emitted by a reference. The primary sensor is a solid-state, thermopile detector, and the signal recovery is achieved by phase-sensitive detection techniques, using a mechanical chopper. The device is simple and does not use any cooling. Experimental results are presented using a test sample of clear float glass, kept at 323 K (50°C), with black paint on a float glass substrate as the reference. These results, likely the first for the directional total emissivity of float glass at such low temperatures obtained without cooling, compare well with values in the literature.
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REFERENCES
B. W. Jones and A. Pantinakis, Glastechnische Berichte-Glass Sci. Tech. 69:140 (1996).
J. Lohrengel, Contract 3255/1/0/140/88-11-BCR-D(30) (1991).
G. Leftheriotis and P. Yianoulis, Sol. Energy Mat. Sol. Cells 58:185 (1999).
F. Geotti-Bianchini and J. Lohrengel, Glastechnische Berichte Int. J. Glass Sci. Tech. 62:312 (1989).
T. M. Hartnett, S. D. Bernstein, E. A. Maguire, and R. W. Tustison, Infrared Phys. Tech. 39:203 (1998).
S. Abedrabbo, J. C. Hensel, A. T. Fiory, B. Sopori, W. Chen, and N. M. Ravindra, Mat. Sci. Semicond. Process. 1:187 (1998).
R. J. Martin-Palma, L. Vasquez, J. M. Martinez-Duart, and Malats-Riera, Sol. Energy Mat. Sol. Cells 53:55 (1998).
M. Rubin, Sol. Energy Mat. 12:275 (1985).
B. G. Bagley, E. M. Vogel, W. G. French, and G. A. Pasteur, J. Non-Crystall. Sol. 22:423 (1976).
B. W. Jones and A. Pantinakis, Meas. Sci. Tech. 3:515 (1992).
A. Pantinakis and B. W. Jones, Europhys. Lett. 16:545 (1991).
S. X. Cheng, S. X. Jing, X. S. Ge, and C. C. Yao, Int. J. Thermophys. 15: 177 (1994).
P. Masclet, These de Doctorat d'etat (Universite Paris VI, Paris, 1993).
M. Siroux and S. Mattei, Rev. Gen. de Thermique 37:103 (1998).
D. Especel and S. Mattei, Infrared Phys. Tech. 37:777 (1996).
National Physical Laboratory, Certificate of Measurement, Reference B15/0029, Infrared Regular Reflectance of a Float Glass Plate (NPL, Teddington, UK, 1990).
Infrared Optical Constants at low Temperatures (SiO 2 at 300 K), http://www.astro.unijena. de/Group/Subgroups/Labor/lowtemp.html.
C. K. Hsieh and K. C. Su, Sol. Energy 22:37 (1979).
EG&G Heimann Optoelectronics, Thermopile Sensors: Sample Data TPS434 Datasheet, Publication No. MS09/724.
J. D. W. Abernethy, Phys. Bull. 24: (1973).
Black paint emissivity from Jet Propulsion Laboratory, Pasadena, California, http:// www.masterweb.jpl.nasa.gov/reference/paints.htm.
R. Siegel and J. R. Howell, Thermal Radiation Heat Transfer, 3rd ed. (Taylor and Francis, London, 1992), pp. 47–86, 93–131.
International Organization for Standardization, Guide to the Expression of Uncertainty in Measurement (IOS, Geneva, Switzerland, 1993).
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Pantinakis, A., Kortsalioudakis, N. A Simple High-Sensitivity Radiometer in the Infrared for Measurements of the Directional Total Emissivity of Opaque Materials at Near-Ambient Temperatures. International Journal of Thermophysics 22, 1843–1854 (2001). https://doi.org/10.1023/A:1013103419949
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DOI: https://doi.org/10.1023/A:1013103419949