Tables of Thermodynamic Properties by Dr. M. A. Habib Professor, Mechanical Engineering Department, KFUPM. Procedure. The procedure of calculating the thermodynamic property is as follows: Define the state by two independent properties. Choose SI units tables.
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Tables of Thermodynamic PropertiesbyDr. M. A. HabibProfessor,Mechanical Engineering Department, KFUPM
The procedure of calculating the thermodynamic property is as follows:
= 0.3947
Example.
Since the pressure and temperature are two dependent properties inside the saturation region, therefore, this state is not inside the saturation region
The state is not inside the saturation region
T, oCP, kPavf, m3/kgvfg, m3/kg
100101.30.0010441.67185
105120.80.0010471.41831
Thus, P102 =109.1 kPa
Superheated region
Example
v=0.25794 m3/kg
Interpolation gives:
Thus T= 98.55oC
Thus v= 0.247 m3/kg
From saturation tables, determine vf and vg at T. The region is determined based on the following conditional table:
Given P, v
Example:
Water given at 100kPa and 40 oC
= 0.3337
Thus, from this table, T= Tsat = -22.58 oC and
Substituting for h=467 kJ/kg gives P=2259.1 kPa.
Substituting for h=3000 kJ/kg gives T=276.4 oC