EFFECT OF EMISSIVITY ON TEMPERATURE MEASUREMENT. The energy emit- ted from a piece of metal is measured, and the temperature is determined to be 1050°C, assuming a surface emissivity of 0.82. It is later found that the true emissivity is 0.75. Calculate the error in the temperature determination.

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Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.9P
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The energy emit-
ted from a piece of metal is measured, and the temperature is determined to be 1050°C, assuming
a surface emissivity of 0.82. It is later found that the true emissivity is 0.75. Calculate the error
EFFECT OF EMISSIVITY ON TEMPERATURE MEASUREMENT.
Example 8.8
in the temperature determination.
Solution
Transcribed Image Text:The energy emit- ted from a piece of metal is measured, and the temperature is determined to be 1050°C, assuming a surface emissivity of 0.82. It is later found that the true emissivity is 0.75. Calculate the error EFFECT OF EMISSIVITY ON TEMPERATURE MEASUREMENT. Example 8.8 in the temperature determination. Solution
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