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Electromagnetic Waves and Heat Transfer: Sensitivities to Governing Variables in Everyday Life
By
M. Kemal Atesmen
M. Kemal Atesmen
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ISBN:
9780791883648
No. of Pages:
226
Publisher:
ASME Press
Publication date:
2021

In this chapter, steel spherical balls at different radii that were heated to 400 C (673 K) by infrared radiation in a vacuum environment in Chapter 15 will be cooled down slowly by natural convection and by infrared radiation heat transfer in unsteady state down to a temperature of 50 C (323 K). A hot spherical ball will be placed at the center of a large air chamber in which chamber air and chamber walls are kept at a constant temperature at 25 C (298 K). This kind of slow cooling down of hot metals are done in order to relieve stresses that are generated in the metal structures during their processing.

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