From the category archives:

Ceramics & Glasses

Furnace radiation modelling

September 13, 2007

Furnace radiation modeling Location: Industrial Research Limited (IRL): Measurement Standards Laboratory of New Zealand Their Client: New Zealand Refining Company The Topic: Infrared radiation thermometry for furnace tube temperature measurement Client benefit: High quality measurement leads to better plant control, reduced risk and increased profitability Most of this article is from the writeup on the [...]

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New System for Spectral Emissivity Measurements & Spectral Emissivity of Metals at the University of Duisburg

September 2, 2007

On the 13-15 June, 2001, in Budapest, Hungary, the 12th International Conference on Thermal Measurements and Thermogrammery (THERMO) was held. Among the papers were two by Prof. Dr.-Ing. W. Bauer, Dipl.-Phys., A. Moldenhauer, Dipl.-Phys. & M. Rink of the Gerhard Mercator Universität Duisburg, Germany The first presentation was entitled: “New System for Spectral Emissivity Measurements [...]

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Normal Spectral Emittance of Some Metals, Carbon and SiN

August 21, 2007

The “Emissivity” page on the FAR Associates website includes a discussion of their unique instrument along with graphs and some tables of spectral emissivity values are evidently all reproduced from the Thermophysical Properties of Matter, Vol. 7: Thermal Radiative Properties, Y.S. Touloukian and D.P. DeWitt, IFI/Plenum, New York, 1970. These include curves for: Carbon (Graphite), [...]

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Raytek’s Spectral Emissivity Table for Non-metals

August 20, 2007

The Raytek North America website includes a table for the emissivity of a large range of non-metallic materials that includes common building materials, ceramics, glasses and natural materials including ice & water in as many as four wavelength regions. Wavebands covered include 1.0 micrometer (micron), 5.0 microns, 7.9 microns and the 8-14 micron band. No [...]

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Land Instruments Infrared Theory Notes

August 20, 2007

Infrared Theory Notes-(Last updated 04/11/04, PDF Download of 547kb – 43 pages) contains not only some simple explanations of the key features of Radiation Thermometry, how it works and how IR Thermometers work in various measurement situations, but also provides some unique graphical representations of the transmission of glasses (see pages 30-33). It also discusses [...]

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