The specific heat of superheated water vapor at approximately 150OKPA can be determined by the below equations (T in Kelvin). Consider the enthalpy change at this pressure between 473K and 773K both using a) thermodynamic tables and b) the specific heat calculated at the average temperature. What is the error encountered in the simplified approach relative to the more true approach?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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T-673
KJ
T-673
kJ
3D2.07+
CP
Cy = 1.6085 +
1480
kgK
1480
kgK
The specific heat of superheated water vapor at approximately 150kPa can be determined by the below equations (T in Kelvin). Consider the
enthalpy change at this pressure between 473K and 773K both using a) thermodynamic tables and b) the specific heat calculated at the average
temperature. What is the error encountered in the simplified approach relative to the more true approach?
A) 0.693%
Transcribed Image Text:T-673 KJ T-673 kJ 3D2.07+ CP Cy = 1.6085 + 1480 kgK 1480 kgK The specific heat of superheated water vapor at approximately 150kPa can be determined by the below equations (T in Kelvin). Consider the enthalpy change at this pressure between 473K and 773K both using a) thermodynamic tables and b) the specific heat calculated at the average temperature. What is the error encountered in the simplified approach relative to the more true approach? A) 0.693%
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