The coefficient of thermal expansion, of steel, is given at discrete values of temperature in Table 1.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The coefficient of thermal expansion, of steel, is given at discrete values of
temperature in Table 1.

Table 1 Coefficient of thermal expansion versus temperature for steel.
Coefficient of
Temperature,
T
thermal expansion, a
in/in °F
°F
80
6.470x106
60
6.360x106
40
6.240x106
20
6.120x106
6.000x106
-20
5.860x106
-40
5.720x106
-60
5.580x106
-80
5.430x106
The data is regressed to a = k, +k,T +k,T²
Transcribed Image Text:Table 1 Coefficient of thermal expansion versus temperature for steel. Coefficient of Temperature, T thermal expansion, a in/in °F °F 80 6.470x106 60 6.360x106 40 6.240x106 20 6.120x106 6.000x106 -20 5.860x106 -40 5.720x106 -60 5.580x106 -80 5.430x106 The data is regressed to a = k, +k,T +k,T²
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