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Figure 7.3. Pressure ratio versus % load for the off-design predictions made by Haglind and Elmegaard, the GE manufacturer’s data, and the GasTurb 12 prediction. Figure 7.3 shows a plot of pressure ratio versus % load. The value of 0.98 in figure 7.3 is a very good fit of the GasTurb 12 prediction to the GE Data. There is very little deviation along the range from 10% load to 100% load and it can be concluded that the GasTurb 12 model very accurately predicts off-design point performance. 45
