A furnace with an aperture of 30 mm diameter and emissive power of 4x10^5 W/m^2 is used to calibrate a heat flux gage having a sensitive area of 2x10^-5 m^2 At what distance, measured along a normal from the aperture, should the gage be positioned to receive irradiation of 1000 W/m^2 ? If the gage is tilted off normal by 20^o what will be its irradiation?
A furnace with an aperture of 30 mm diameter and emissive power of 4x10^5 W/m^2 is used to calibrate a heat flux gage having a sensitive area of 2x10^-5 m^2 At what distance, measured along a normal from the aperture, should the gage be positioned to receive irradiation of 1000 W/m^2 ? If the gage is tilted off normal by 20^o what will be its irradiation?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A furnace with an aperture of 30 mm diameter and emissive power of 4x10^5 W/m^2 is used to calibrate a heat flux gage having a sensitive area of 2x10^-5 m^2
At what distance, measured along a normal from the aperture, should the gage be positioned to receive irradiation of 1000 W/m^2 ?
If the gage is tilted off normal by 20^o what will be its irradiation?
Transcribed Image Text:Furnace Aperture,
Detector,
Af
E=4x10 W/m²
Od
Ad=2x10-5 m²
D=30mm
Irradiation
G= 1000 W/m²
L
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