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Keywords: modeling
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Journal Articles
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111012.
Paper No: TURBO-21-1031
Published Online: September 13, 2022
... challenges. Numerical analyses of the fan with a uniform flow at the inlet and that exposed to the distorted flow were performed. These required the use of a full-annulus unsteady time-marching computational fluid dynamics (CFD) model, which was validated with experimental data obtained at a test rig...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101015.
Paper No: TURBO-21-1020
Published Online: May 19, 2021
... and cracks is also an aspect of TBC degradation. To investigate this vapor deposition process, a diffusion model has been coupled with a thermodynamic equilibrium solver. The diffusion model calculates vapor transport of trace elements through pores and gaps in the TBC, where the thermodynamic equilibrium...
Journal Articles
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091010.
Paper No: TURBO-19-1249
Published Online: August 25, 2020
... in surge results in pressure and mass flow oscillations that are often damaging to the compressor and its installation. Since surge is a highly complex flow regime, full unsteady three-dimensional models are generally too computationally expensive to run. The majority of current low-dimensional surge...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011003.
Published Online: September 7, 2010
... compressor design analysis, and (d) a teaching tool to provide the student with an insight of the 2D flow field inside a compressor and how this could be effectively predicted using the SLC method combined with various algorithms and cascade models. Apart from describing in detail the design, structure...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011022.
Published Online: January 28, 2008
... the film cooling row flow field on the pressure side of a turbine blade. Engine representative nondimensionals are achieved, providing a faithful model at a larger scale. Heating the free stream air and strongly cooling the coolant gives the required density ratio between coolant and free-stream...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 380–386.
Published Online: April 23, 2003
.... In particular, these results indicate that 70% of the total increase in swirl experienced by the fluid within the passage is taken up in the first millimetre of the passage length. Similarly the model predictions indicate that 94% of the total swirl uptake occurs within the first 2 mm of passage length...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 597–605.
Published Online: November 7, 2002
...D. M. Feiner; J. H. Griffin A new reduced order model of mistuned bladed disk vibration is presented. This new approach is shown to accurately represent the response of real turbine geometries when only a single family of modes is excited. Yet its mathematical form is even simpler than...
Topics: Blades, Disks