Turbomachinery Maps: axial_turbine_80
Turbomachinery performance maps — compressor, turbine, fan, pump, and turbocharger characteristic curves showing efficiency, pressure ratio, head coefficient, and surge/choke boundaries at various speeds and flow rates
| machine speed | flow pct | flow coefficient | head coefficient | is choke point | is surge point | isentropic efficiency pct (%) | machine type | notes | power coefficient | speed pct (%) | work coefficient |
|---|---|---|---|---|---|---|---|---|---|---|---|
| axial_turbine_80 | 100 | 0.352 | 0.636 | false | false | 82.5 | axial_turbine | Design-equivalent flow 80% speed; notable efficiency gap vs 100% line; acceptable for part-load | 0.636 | 80 | 0.636 |
| axial_turbine_80 | 110 | 0.368 | 0.592 | false | false | 80 | axial_turbine | High flow 80% speed axial turbine; efficiency declining; choke-limited | 0.592 | 80 | 0.592 |
| axial_turbine_80 | 120 | 0.384 | 0.54 | false | false | 75 | axial_turbine | Overload 80% speed axial turbine; choke; mass flow ceiling well below design speed choke flow | 0.54 | 80 | 0.54 |
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