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Find the missing properties of T, P, v, u and x if applicable and plot the...

Question:

Find the missing properties of T, P, v, u and x if applicable and plot the location of states as point in T-v and P-v diagram
Find the missing properties of T, P, v, u and x if applicable and plot the location of states as point in T-v and P-v diagrams below? a) Water at 250 °C, u=1800 kJ/kg b) R 134a at 75 °C, P=1200 kPa, Solution: CP p-coast. T =const. (b) Solution: P-const T - const

Answers

Solution a) water at [u= 1800 kolky us internal energy 250°c is We need to find this point subcooled region, or wet region SuPressure P= Psot at 250°C P= 3976.2 kPa - specific volume V = 1 + xreg- of at 250°c 20 0.001252 +04728 (0.050085 - 0.001252)point is ic the state Super heated P= 12oolc Pa T= 75°C state In superheotid X = 1 dryness fraction Weo need to T= 75°C and fP TA B The at 75°C Point and U- 281.96 leg/leg B represent the R134a 1200 lepa with x=1 and V= 0.0200155 m 55 milleg

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