Identifying States
Quality can only have values between 0 and 1. If one finds values outside this range, one either has compressed liquid, or superheated vapor.
A state of given temperature T for which another property (v or u or h or s) is known, is compressed liquid for
A state of given pressure p for which another property (v or u or h or s) is known, is compressed liquid for
and it is superheated vapor if
It is a useful exercise to verify the above conditions by means of p-v-, T-s-, and p-T-diagrams!
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