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Keywords: boundary layers
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Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082401.
Published Online: April 7, 2011
... momentum losses. Correspondingly, the three-dimensional fluid models were able to capture boundary layer losses affected by 3D geometries. 20 05 2010 21 05 2010 07 04 2011 07 04 2011 boundary layers compressors Navier-Stokes equations pipe flow The fluid flow...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 031201.
Published Online: November 12, 2010
.... A two-dimensional (2D) transient axisymmetric heat and mass transfer model was developed through the use of a lumped-parameter boundary-layer model to simulate the inlet flow and determine the time-dependent inlet duct heat transfer. This model was validated with transient 2D computational fluid...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2008, 130(5): 052301.
Published Online: June 12, 2008
... boundary layer model of turbine efficiency. An analytical model is developed for a viscous flow turbine. This is compared to experimental measurements of the efficiency of a Tesla turbine using compressed air. The semiempirical scaling law predicts that below a rotor diameter of between about 11 mm and 4...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 041901.
Published Online: April 23, 2008
... shock events contributed to abrupt, localized heat transfer enhancements, the influence of NGV wake segments on the boundary layer could not be discounted when duration of unsteadiness was considered. 04 12 2006 29 11 2007 23 04 2008 boundary layers flow instability gas turbines...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2007, 129(1): 80–87.
Published Online: February 1, 2006
... modified, following recommendations of earlier CFD work (Final Report No. TT03R01, 2003), to produce a secondary flow/wake structure that allows the prediffuser to operate at a higher area ratio without boundary layer separation. This is demonstrated to increase static pressure recovery and reduce dump...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2005, 127(4): 827–834.
Published Online: December 13, 2004
...Masayoshi Shimo; James V. Canino; Stephen D. Heister Oil flow behavior within a lubrication system utilized in a turbofan engine has been studied using a two-dimensional model for a seal runner and a sump wall. A two-dimensional, axisymmetric boundary layer method is utilized to derive a model...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2003, 125(3): 734–741.
Published Online: August 15, 2003
...F. Malpica; N. Moreno; A. Tremante This study presents the analysis of the thermal boundary layer considering combined convection and radiation in an absorbing, emitting, and scattering medium flowing over a flat plate. At high temperatures the presence of thermal radiation alters the temperature...