Double Interpolation thermodynamics

AI Thread Summary
To determine the pressure of Refrigerant 134a at 60°C and a specific volume of 0.072 m³/kg, double interpolation is required due to the superheated state. The user references a mini table for values but struggles with the interpolation process. The expected pressure outcome is 3.63 kPa. A linked resource provides an explanation of the interpolation method needed for this calculation. Understanding the interpolation technique is crucial for accurately determining the pressure in this thermodynamic scenario.
axcelenator
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For Refrigerant 134a at T = 60C and v = 0.072 m3/kg,
determine pressure in kPa.

the v is in superheated region so I have a mini table look like in the picture I've added
there I need to do a double interpolation but don't know how. the anser for p is: 3.63Kpa.
Thanks
 

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