period two
Absorption Chiller Types
notes
| high-temperature | low-temperature |
| generator |
| generator |
| |
absorber
In the parallel flow cycle, the dilute solution from the absorber is split between the low-temperature and high-temperature generators. Both streams of dilute solution are concentrated in the generators and mix together again before returning to the absorber. The parallel flow cycle can be implemented using one generator pump (as shown in Figure 30) if a throttling device is used to control the flow of solution to the low-temperature generator. Separate generator pumps should be used for control over the full range of operating conditions.
In the end, the performance of a double-effect absorption chiller has little to do with the flow cycle employed. Instead, the performance depends on the choice of operating conditions, the amount of heat transfer surface area, the effectiveness of the purge system, the materials of construction, the design of the controls, and the manufacturing techniques.
