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Keywords: uncertainty
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Proceedings Papers

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A022, June 7–11, 2021
Paper No: GT2021-58946
... that hydrogen is a formidable cxi Normalization coef cient heat sink and the use of heat sinks in the compression system of Independent uncertainty an aero engine may enable not only preheating of the fuel but c Isentropic Ef ciency also improve the gas turbine cycle itself. One such opportu- h Speci c...
Proceedings Papers

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT27A001, June 7–11, 2021
Paper No: GT2021-58480
.... Stewart The University of Texas at El Paso The University of Texas at El Paso The University of Texas at El Paso El Paso, TX, USA El Paso, TX, USA El Paso, TX, USA ABSTRACT Keywords: Creep; Finite element; Life prediction; Probabilistic; Reduced Order Modeling; Uncertainty. This paper introduces...
Proceedings Papers

Proc. ASME. GT2013, Volume 7A: Structures and Dynamics, V07AT29A024, June 3–7, 2013
Paper No: GT2013-95779
... This paper focuses on extending an earlier investigation on the systematic and rational consideration of uncertainty in reduced order models of rotordynamics systems. The current effort concentrates on the consistent introduction of uncertainty in mass properties on the modal mass and gyroscopic...
Proceedings Papers

Proc. ASME. GT2013, Volume 7A: Structures and Dynamics, V07AT32A008, June 3–7, 2013
Paper No: GT2013-95792
... considered, the benefit of this intentional mistuning of friction dampers is either zero or small, of the order of a few percent, consistently with a single data point reported in the literature. friction dampers underplatform dampers intentional mistuning blade response mistuning uncertainty...
Proceedings Papers

Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 881-899, June 8–12, 2009
Paper No: GT2009-59700
... 23 02 2010 A systematic and rational approach is presented for the consideration of uncertainty in rotordynamics systems, i.e. in rotor mass and gyroscopic matrices, stiffness matrix, and bearing coefficients. The approach is based on the nonparametric stochastic modeling technique...
Proceedings Papers

Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 1179-1188, May 14–17, 2007
Paper No: GT2007-27573
... 10 03 2009 The effect of uncertainties in the thermal properties of components and surrounding fluids is often ignored in the field of experimental turbomachinery heat transfer. The work reported here uses two different methods of uncertainty analysis to help quantify these effects: 1...
Proceedings Papers

Proc. ASME. GT2004, Volume 2: Turbo Expo 2004, 701-711, June 14–17, 2004
Paper No: GT2004-53828
... to lower uncertainty in the final results. ASME PTC 10 (Performance Test Code on Compressors and Exhausters) requires fluctuation limits on the measured performance parameters. This does not guarantee limits for accuracy of performance parameters. Also, different experimental setup will affect uncertainty...
Proceedings Papers

Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1301-1311, May 8–11, 2006
Paper No: GT2006-90143
... 11 09 2008 The uncertainty in heat transfer data derived from theoretical turbomachinery disc temperatures has been investigated using Monte Carlo simulation methods. Two specific test cases of relevance to turbine disc heat transfer have been considered, a free disc with laminar flow...