Micro Turbines

10-200kW and 50-100mm diameter

 1.  Waste Heat Turboexpander

  • 1-stage radial expander
  • Hydrocarbon mixture @ 758 psia, -46⁰ F, 2.6 pressure ratio
  • 3.8 inch rotor tip dia., 42000 rpm, 0.38 specific speed
  • 200 kW @ 86% efficiency

2.  Waste Heat Recovery turbine

  • 1-stage radial expander
  • Work scope: preliminary sizing and performance analysis, nozzle & impeller detailed designs
  • R134a @ 281 psia, 156⁰ F, 2.2 pressure ratio
  • 3.2 inch rotor tip dia., 31500 RPM, 0.72 specific speed
  • 58 kW @ 90% efficiency

3.  R245fa waste heat expander

  • 1-stage partial admission transonic reaction turbine
  • Work scope: conceptual design, preliminary sizing and performance analysis, detailed blade designs
  • R245fa fluid @ 96.6 psia, 171⁰ F, 3.2 pressure ratio
  • 3 inch diameter, 31,500 RPM
  • 24 kW @ 80% efficiency