The following table lists temperatures and specific volumes of water vapor at two pressures: Data encountered in solving problems often do not fall exactly on the grid of values provided by property tables, and linear interpolation between adjacent table entries becomes necessary. Using the data provided here, estimate i. the specific volume at T = 240 °C, p = 1.25 MPa, in m3/kg ii. the temperature at p = 1.5 MPa, v = 0.1555 m3/kg, in °C iii. the specific volume at T = 220 °C, p = 1.4 MPa, in m3/kg
Use the following conversions where necessary:1hp = 745.7W; ρwater = 1000 kg/m3; ρmercury = 13600 kg/m3; 1 atm = 101.325 kPa; Cp (water) = 4.18 kJ/kg °C; g = 9.81m/s2;
For properties of air, use R = 0.287 kJ/kg K; Cv (air) = 0.718 kJ/kg K; Cp (air) =1.005 kJ/kg K
The following table lists temperatures and specific volumes of water vapor at two pressures:
Data encountered in solving problems often do not fall exactly on the grid of values provided by property tables, and linear interpolation between adjacent table entries becomes necessary. Using the data provided here, estimate
i. the specific volume at T = 240 °C, p = 1.25 MPa, in m3/kg
ii. the temperature at p = 1.5 MPa, v = 0.1555 m3/kg, in °C
iii. the specific volume at T = 220 °C, p = 1.4 MPa, in m3/kg
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