Figure 4. Liquid Injection Temperature (measured at condenser entrance)


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Figure 4. Liquid Injection Temperature (measured at condenser entrance)

Figure 4.  Liquid Injection Temperature (measured at condenser entrance)

This graph clearly shows the desuperheating effect of the liquid injection circuit on the high pressure hot gas stream entering the condenser. This circuit reduced the hot gas temperature by 60F from 164.6F to 104.6F. As this portion of the circuit is designed to increase condenser capacity and savings at high ambient temperatures (over 85F), no measured savings attributed to liquid injection were expected nor measured within the test range of 50F to 75F. However, it is forecast that overall condenser capacity will be increased by 15-20% at ambient temperatures over 95F.