IS are w = 500 K shows a temperature reac SSLUming -be onmisci f be

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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A thermocouple used to measure the temperature of
hot air flowing in a duct whose walls are maintained
at Tw = 500 K shows a temperature reading of Tth =
850 K. Assuming the emissivity of the thermocouple
junction to be ɛ = 0.6 and the convection heat
%3D
%3D
transfer coefficient to be h = 60 W/m2 ·K, determine
%3D
the actual temperature of air.
Thermocouple
T = 850 K
Air
8 = 0.6
Tw = 500 K
Transcribed Image Text:A thermocouple used to measure the temperature of hot air flowing in a duct whose walls are maintained at Tw = 500 K shows a temperature reading of Tth = 850 K. Assuming the emissivity of the thermocouple junction to be ɛ = 0.6 and the convection heat %3D %3D transfer coefficient to be h = 60 W/m2 ·K, determine %3D the actual temperature of air. Thermocouple T = 850 K Air 8 = 0.6 Tw = 500 K
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