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Keywords: aerodynamic performance
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Proceedings Papers

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A019, June 7–11, 2021
Paper No: GT2021-58823
... of the aviation gas Keywords: Compressors; Blade; Machining Deviation; Aerodynamic performance. turbine engine, and as the most important part in the compressor, the aerodynamic performance of compressor blade directly NOMENCLATURE affects the performance of the whole machine. However, due to their large number...
Proceedings Papers

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A025, June 7–11, 2021
Paper No: GT2021-59993
... the blade tip. Multi-cavity squealer tip has the potential to reduce the huge thermal loads and improve the aerodynamic performance of the blade tip region. In this paper, numerical simulations were performed to predict the aerothermal performance of the multi-cavity squealer tip in a heavy-duty gas turbine...
Proceedings Papers

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A012, September 21–25, 2020
Paper No: GT2020-14784
... and establishes a theoretical foundation for the development of robust centrifugal impellers. uncertainty quantification manufacturing uncertainties transonic centrifugal impeller aerodynamic performance flow mechanism dual dimensionality reduction method IMPACT OF REALISTIC MANUFACTURING...
Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A066, September 21–25, 2020
Paper No: GT2020-16076
... the gaps between stationary and rotating parts. Meanwhile, the purge flow impacts the aerodynamic performance and provides secondary-order cooling on the rotor platform. In this paper, the effect of four kinds of engine realistic rim seals on flow fields and rotor platform cooling is investigated...
Proceedings Papers

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A016, September 21–25, 2020
Paper No: GT2020-15152
... blade fracture is a common fault whose probability is far more than 10 −7 per engine flight hour. It is obvious that overall engine system will be affected by blade failure. So, aerodynamic performance investigation in the event of one blade fracture failure has been assessed in the current study...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A042, September 21–25, 2020
Paper No: GT2020-15055
... were observed at the rotor tip proving the case for part-span injection from an entropy balance perspective. water injection wet compression entropy efficiency aerodynamic performance axial compressor ENTROPY GENERATION AND EFFICIENCY OF A TRANSONIC ROTOR WITH WATER INJECTION: A NUMERICAL...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A054, September 21–25, 2020
Paper No: GT2020-15485
...Abstract Abstract The results of previous studies have proved that manufacture variations can cause a noticeable influence on compressor aerodynamic performance. The main objective of this paper is to investigate the influence rules and mechanisms of manufacture variations on supersonic...
Topics: Blades
Proceedings Papers

Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2159-2169, June 14–18, 2010
Paper No: GT2010-22316
... under different inlet flow conditions were simulated. The effects of inlet Reynolds number, inlet Mach number and fluid properties on the aerodynamic performance and flow fields in the exhaust systems were analyzed. The influential rules of inlet tangential flow angle distributions in the radial...
Proceedings Papers

Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 431-442, June 14–18, 2010
Paper No: GT2010-23116
... stage of the helium compressor cascades. Key words: Helium compressor; 3D numerical simulation; aerodynamic performance; highly loaded; flow coefficient; high reaction NOMENCLATURE CFD Computational Fluid Dynamics CDA Controlled diffusion airfoil HTGR High Temperature Gas cooled Reactor GT Gas turbine...
Proceedings Papers

Proc. ASME. GT2008, Volume 7: Education; Industrial and Cogeneration; Marine; Oil and Gas Applications, 247-254, June 9–13, 2008
Paper No: GT2008-50937
.... Similarity criterion Helium Aerodynamic Performance Proceedings of ASME Turbo Expo 2008: Power for Land, Sea and Air GT2008 June 9-13, 2008, Berlin, Germany INTRODUCTION As an advanced reactor, the HTGR (High Temperature Gas-cooled Reactor) has the characteristics such as simple configuration, safety...
Proceedings Papers

Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 771-782, June 6–9, 2005
Paper No: GT2005-68998
... Transient test facilities offer the potential for the simultaneous study of turbine aerodynamic performance, unsteady flow phenomena and the heat transfer characteristics of a turbine stage. This paper describes the accurate measurement of the shaft power generated by the turbine in the Oxford...