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Briefly explain, in words, why the plate can be assumed to be gray. Think about the plate's emission (and what it depends on) and the plate's irradiation and what it depends on. The plate is diffuse.

Briefly explain, in words, why the plate can be assumed to be gray. Think about the plate's emission (and what it depends on) and the plate's irradiation and what it depends on. The plate is diffuse.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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2. You have been tasked with building a small wind tunnel to simulate wildfire airflows near the base of trees. To do this, you have created a long duct of square cross section (15 cm x 15 cm) attached to a wind tunnel that flows hot air at 5 m/s, T= 600K. At steady state, the test section can be modeled as a two surface enclosure of gray surfaces where side and top walls are isothermal at T-550K. Careful measurements on the test plate show that it is isothermal with T- 5OOK. The test section is 60 cm long. U, T. 15 cm L-60 cm 15 cm 15 cm d) Briefly explain, in words, why the plate can be assumed to be gray. Think about the plate's emission (and what it depends on) and the plate's irradiation and what it depends on. The plate is diffuse
Transcribed Image Text:2. You have been tasked with building a small wind tunnel to simulate wildfire airflows near the base of trees. To do this, you have created a long duct of square cross section (15 cm x 15 cm) attached to a wind tunnel that flows hot air at 5 m/s, T= 600K. At steady state, the test section can be modeled as a two surface enclosure of gray surfaces where side and top walls are isothermal at T-550K. Careful measurements on the test plate show that it is isothermal with T- 5OOK. The test section is 60 cm long. U, T. 15 cm L-60 cm 15 cm 15 cm d) Briefly explain, in words, why the plate can be assumed to be gray. Think about the plate's emission (and what it depends on) and the plate's irradiation and what it depends on. The plate is diffuse
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