2-kg saturated liquid Refrigerant-134a at 0. 40 MPa undergoes the following: Process 1-2: Evaporation at constant pressure until its temperature is 30 °C. Process 2-3: Cooled down at constant volume until it starts to condensate. a. Sketch the P-v and T-v diagram for the processes. Clearly show all states on the diagram.  b. Estimate (no need for interpolation) the initial and final temperature of the refrigerant  c. Determine the amount of heat transfer involved for each process and state whether it is rejected or absorbed by the system. (Perform interpolation where necessary).

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Q: 01: A piston-cylinder system contains 0.25 m3 of water at 2.1 MPa and 100°C. It is heated at…

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Q: b) As shown in Figure A2-b, an insulated rigid container holds 1.4 kg of saturated water and air. At…

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Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.