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RISAerodynamic Design and Analysis of a Multistage Vaneless Counter Rotating Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A multistage vaneless counterrotating turbine (MVCRT) eliminates vanes between rotors, which reduces the weight and size of the turbine and avoids viscous losses associated with vanes pronouncedly. An aircraft engine ...
A Hybrid Semi empirical Model for Lean Blow Out Limit Predictions of Aero engine Combustors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: According to the Lefebvre's model and flame volume (FV) concept, an FV model about lean blowout (LBO) was proposed by authors in early study. On the other hand, due to the model parameter (FV) contained in FV model is ...
Tip Clearance Effects on Inlet Hot Streak Migration Characteristics in High Pressure Stage of a Vaneless Counter-Rotating Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, three-dimensional multiblade row unsteady Navier–Stokes simulations at a hot streak temperature ratio of 2.0 have been performed to reveal the effects of rotor tip clearance on ...
A Shock Loss Reduction Method Using a Concave Suction Side Profile for a Zero Inlet Swirl Turbine Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A zero inlet swirl turbine rotor (ZISTR) works with axial inlet gas flow directly exhausted from a combustion chamber without any upstream vanes. The suction side trailing edge shock of the ZISTR generates a significant ...
Influence of Hot Streak Temperature Ratio on Low Pressure Stage of a Vaneless Counter-Rotating Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to explore the influence of hot streak temperature ratio on the low pressure stage of a vaneless counter-rotating turbine, three-dimensional multiblade row unsteady Navier–Stokes simulations ...