5 Carbon dioxide undergoes a thermodynamic cycle consisting of four processes: 1-2: Isobaric heating process from...

 

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5 Carbon dioxide undergoes a thermodynamic cycle consisting of four processes: 1-2: Isobaric heating process from P₁ = 27.5 bar, T₁ = 68°C to state 2, where the volume increase twice the initial 2-3 Expansion to V3 = 750 liter, which PV = const 3-4 : Isentropic process to state 4, where 3V4 = V3 until T4 = 155°C 4-1 : Isochoric process to initial state a) Sketch the P-V diagram b) Find mass c) Find all P's, V's and T's d) Calculate all Q's e) Determine the nett work of the cycle 1 2 3 st 4 1 P (kPa) V (m³) T (K) U (kJ) W (kJ) Q (kJ) 1-2 2-3 3-4 4-1 5 Carbon dioxide undergoes a thermodynamic cycle consisting of four processes: 1-2: Isobaric heating process from P₁ = 27.5 bar, T₁ = 68°C to state 2, where the volume increase twice the initial 2-3 Expansion to V3 = 750 liter, which PV = const 3-4 : Isentropic process to state 4, where 3V4 = V3 until T4 = 155°C 4-1 : Isochoric process to initial state a) Sketch the P-V diagram b) Find mass c) Find all P's, V's and T's d) Calculate all Q's e) Determine the nett work of the cycle 1 2 3 st 4 1 P (kPa) V (m³) T (K) U (kJ) W (kJ) Q (kJ) 1-2 2-3 3-4 4-1