Turbomachinery Maps: axial_turbine_100
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_100 | 100 | 0.44 | 0.79 | false | false | 91.5 | axial_turbine | Design point (BEP) axial turbine; phi=0.44 psi=0.79; isentropic efficiency ~91-92% for well-designed stage | 0.79 | 100 | 0.79 |
| axial_turbine_100 | 110 | 0.46 | 0.735 | false | false | 89.5 | axial_turbine | High flow axial turbine 100% speed; efficiency slight drop; positive incidence on rotor | 0.735 | 100 | 0.735 |
| axial_turbine_100 | 120 | 0.48 | 0.67 | false | false | 85 | axial_turbine | Overload axial turbine 100% speed; choke effects; flow limited by nozzle throat area | 0.67 | 100 | 0.67 |
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