1. Compound VCRS

2. Actual / Practical VCRS on p-h chart

3. Actual / Practical VCRS on T-s chart

4. Effect of evaporator temperature on cycle performance (T-s diagram)

5. Effect of evaporator temperature on cycle performance (P-h diagram)

6. Multi stage system
It is a refrigeration system with two or more low-side pressures.
Multi-compression systems
Flash gas removal
Intercooler
Multi-evaporator systems
Individual expansion valve
Multiple expansion valve
Cascade systems

7. Working principle of a Flash Tank

8. Intercooling using external water cooled heat exchanger

9. Intercooling in two-stage compression

10. Intercooling using liquid refrigerant in flash tank

11. Two-stage vapour compression refrigeration system with flash gas removal using a flash tank and intercooling

12. Two-stage vapour compression refrigeration system with flash gas removal using a flash tank and intercooling

13. Refrigeration system with liquid subcooler

14. A two-stage compression system with flash tank for flash gas removal only

15. A two-stage compression system with flash tank for flash gas removal only

16. A two-stage compression system with the flash tank used for intercooling only

17. A two-stage compression system with the flash tank used for intercooling only

18. Multi-evaporator system with single compressor and individual expansion valves

19. Multi-evaporator system with single compressor and individual expansion valves

20. Multi-evaporator system with single compressor and multiple expansion valves

21. Multi-evaporator system with single compressor and multiple expansion valves

22. Multi-evaporator system with multiple compressors and a flash tank for flash gas removal and intercooling

23. Multi-evaporator system with multiple compressors and a flash tank for flash gas removal and intercooling

24. Multi-evaporator system with individual compressors and multiple expansion valves

25. Multi-evaporator system with individual compressors and multiple expansion valves

26. A three-stage compression system with flash tank for flash gas removal only

27. A three-stage compression system with individual expansion and the flash tank used for intercooling only

28. A three-stage compression system with multiple expansion and the flash tank used for intercooling only

29. Multi-evaporator system with single compressor and multiple expansion valves

30. Multi-evaporator system with compound compressor, individual expansion valves and flash intercoolers

31. Multi-evaporator system with compound compressor, individual expansion valves and flash intercoolers

32. Multi-evaporator system with compound compressor, multiple expansion valves and flash intercoolers

33. Multi-evaporator system with compound compressor, multiple expansion valves and flash intercoolers

38. PROBLEM - 1

39. PROBLEM - 2

40. PROBLEM - 3

41. Cascade refrigeration