The liquid-vapor equilibrium curve for R134A over the range from the triple point to the critical point may be expressed by the Wagner formula: T, (In[C])= ar + br15+cr + drº Where Pr & Tr are reduced pressure and temperature respectively and al-T, While the P and T are the saturation pressure (kPa) and temperature [K] in the reduced pressure & temperature relations, and the a,b,c, and d are constant. Drive an expression for enthalpy of condensation in terms of the constants a, b, c, d and T and Vig.
The liquid-vapor equilibrium curve for R134A over the range from the triple point to the critical point may be expressed by the Wagner formula: T, (In[C])= ar + br15+cr + drº Where Pr & Tr are reduced pressure and temperature respectively and al-T, While the P and T are the saturation pressure (kPa) and temperature [K] in the reduced pressure & temperature relations, and the a,b,c, and d are constant. Drive an expression for enthalpy of condensation in terms of the constants a, b, c, d and T and Vig.
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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1. The liquid-vapor equilibrium curve for R134A over the range from the triple point to the critical point may be expressed by the Wagner formula: T, (In[C])= ar + br15+cr + drº Where Pr & Tr are reduced pressure and temperature respectively and al-T, While the P and T are the saturation pressure (kPa) and temperature [K] in the reduced pressure & temperature relations, and the a,b,c, and d are constant. Drive an expression for enthalpy of condensation in terms of the constants a, b, c, d and T and Vig.
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