Optimized Blade Design of Counter-Rotating-Type Pump-Turbine Unit Operating in Pump and Turbine Modes

<div>Counter-rotating-type pump-turbine unit [<a href="/journals/ijrm/2018/6069780/#B3">2</a>].</div>

International Journal of Rotating Machinery

Figure 1: Optimized Blade Design of Counter-Rotating-Type Pump-Turbine Unit Operating in Pump and Turbine Modes 