how Rc was calculated plz i need the process of the calculation

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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Question
i need the answer quickly
how Rc was calculated
plz i need the process of the calculation
For the unit tested C = 0.786
T9
T10
R
Ro
W/m?
W/m2
mm
21.7
35
28
324
327
900
800
33
21.7
21.8
21.8
21.8
42
329
700
53
42
331
333
600
500
67
91
137
53
72
21.8
108
21.8
21.8
334
336
337
400
300
239
550
188
432
200
nternany
Theory
The Stefan-Boltzmann law states that for a black body:
(1)
b = the energy emitted per unit area of a black body radiator (Wm2)
Ts = The absolute temperature of the black body (K)
Ta = The absolute temperature of the surroundings (K)
o = Stefan-Boltzmann constant (5.67 x 10 Wm2 K4)
where
At a distance x from the surface, the energy received (and indicated) by a detector, R,
will be related to the Stefan-Boltzmann constant by a factor F, such that:
R = F*o(T.- Ta)
(2)
Re seaan
Heat
article
Radiometer
Radioneter
T10
RI
Context
XI
X2
Figure 1: Illustration of view factor between heat source and radiometer
1
Transcribed Image Text:how Rc was calculated plz i need the process of the calculation For the unit tested C = 0.786 T9 T10 R Ro W/m? W/m2 mm 21.7 35 28 324 327 900 800 33 21.7 21.8 21.8 21.8 42 329 700 53 42 331 333 600 500 67 91 137 53 72 21.8 108 21.8 21.8 334 336 337 400 300 239 550 188 432 200 nternany Theory The Stefan-Boltzmann law states that for a black body: (1) b = the energy emitted per unit area of a black body radiator (Wm2) Ts = The absolute temperature of the black body (K) Ta = The absolute temperature of the surroundings (K) o = Stefan-Boltzmann constant (5.67 x 10 Wm2 K4) where At a distance x from the surface, the energy received (and indicated) by a detector, R, will be related to the Stefan-Boltzmann constant by a factor F, such that: R = F*o(T.- Ta) (2) Re seaan Heat article Radiometer Radioneter T10 RI Context XI X2 Figure 1: Illustration of view factor between heat source and radiometer 1
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