The Effect of Alloying Additions on the Emissivity of Titanium in the Neighborhood of Polymorphous Transformation

Shur, B. A.; Pelet︠s︡kiĭ, V. Ė.

doi:10.1023/b:hite.0000033878.03086.62

Cited by 11 publications

(1 citation statement)

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“…Emissivities of many commonly used materials do not have a significant temperature dependence, for example oxidized steel [7], stainless steel, brass and bronze [8], and so a constant emissivity of these materials may be used and different materials will have to be used to study the emissivity effects. However, there are materials for which the emissivity has high temperature dependence, for example fused quartz [9], aluminium and alloys such as titanium [10]. Methods have to be found to address the temperature and emissivity dependences.…”

Section: Introductionmentioning

confidence: 99%

Wall temperature measurements using a thermal imaging camera with temperature-dependent emissivity corrections

McDaid¹,

Zhang²

2011

Meas. Sci. Technol.

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A methodology is presented whereby the relationship between temperature and emissivity for fused quartz has been used to correct the temperature values of a quartz impingement plate detected by an SC3000 thermal imaging camera. The methodology uses an iterative method using the initial temperature (obtained by assuming a constant emissivity) to find the emissivity values which are then put into the thermal imaging software and used to find the subsequent temperatures, which are used to find the emissivities, and so on until converged. This method is used for a quartz impingement plate that has been heated under various flame conditions, and the results are compared. Radiation losses from the plate are also calculated, and it is shown that even a slight change in temperature greatly affects the radiation loss. It is a general methodology that can be used for any wall material whose emissivity is a function of temperature.

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Section: Introductionmentioning

confidence: 99%