## 4.2. Performance Map Tab

After you use the design points to complete turbomachinery-related system calculations, you can view the performance parameters on the Performance Map tab of the Turbomachinery Performance Map dialog box.

Figure 4.1: Performance Map tab

The Fluid Flow Systems list shows the turbomachinery-related systems that have results.

By default, the first listed system is selected for plotting. You can change the selection and select as many as six of the listed systems for plotting and comparison. To multi-select, use Ctrl + click or Shift + click.

By default, X Axis and Y Axis are set to output parameters `Mass Flow` and `P0 Ratio (t-t)`, respectively, provided that such output parameters are available. The available output parameters correspond to the result parameters that are reported by the Results cell of each selected system. A parameter that is not available by default can be made available by setting that parameter to be an output parameter from the appropriate Results cell. The names of the output parameters can be changed in the parameter manager.

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