Preliminary Aerodynamic Design of Radial-Inflow Turbine Stages

2018 ◽  
Vol 8 (11) ◽  
pp. 2207 ◽  
Author(s):  
Amir Karimi Noughabi ◽  
Shervin Sammak

Radial-inflow turbines (RI turbines) are critical components of air cycle machines (ACM), utilized in environment conditioning systems (ECS). In this work, a process is presented for the full design of a radial-inflow turbine, including volute, nozzle blade row and rotor blade row. The preliminary and detailed aerodynamic design approaches are explained in detail. A mean-line (1D) analysis method coupled with the preliminary design is employed to evaluate the aerodynamic performance of the RI turbine. Then, ANSYS CFX is used to perform unsteady 3D simulations of the designed RI turbine at design and off-design conditions to predict the aerodynamic performance of the turbine for future optimization.


2017 ◽  
Author(s):  
Chad L. Stucki ◽  
R. Daniel Maynes
Keyword(s):  

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