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Keywords: finite difference methods
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Journal Articles
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041010.
Published Online: July 21, 2011
... to the equations were obtained by a second-order finite difference method and the singular value decomposition technique. The influences of the inlet Mach number of undisturbed flow, inlet spanwise distribution of undisturbed radial velocity, and diffuser radius ratio on the rotating waves were studied and results...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031022.
Published Online: November 29, 2010
... is unknown. There were considerable research efforts in developing and applying methods to account for the coupling between the fluid and solid parts ( 1 2 3 4 5 6 ). blades convection couplings finite difference methods flow Fourier transforms turbines 29 09 2009 06 10...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021022.
Published Online: October 26, 2010
.... Validation model. ( a ) Overall control volume for the compressor and ducting system model validation. ( b ) Discretized ten-stage compressor and ducting system model. 26 07 2009 13 08 2009 26 10 2010 26 10 2010 blades compressors failure (mechanical) finite difference...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2008, 130(2): 021024.
Published Online: March 25, 2008
... difference methods finite volume methods Navier-Stokes equations Surface roughness is an important parameter in the design and operation of fluid machinery. Common examples of surface roughness include fouling of compressors or pumps, ice accretion on airfoil surfaces, deposits and corrosion...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 437–447.
Published Online: June 26, 2006
... approach and are written by using the finite difference method. The model also takes rotating mass dynamics into account through a lumped parameter approach. Moreover, it reproduces the behavior of the system in the presence of the surge phenomenon through steady-state performance maps, which represent...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2006, 128(2): 221–231.
Published Online: February 1, 2005
... instability turbines blades wakes boundary layers turbulence Navier-Stokes equations finite difference methods bubbles flow separation vortices Efforts towards the decrease of weight and cost of modern LP turbines by reducing the number of blades come up against the problem of boundary layer...
Journal Articles
Article Type: Article
J. Turbomach. April 2005, 127(2): 306–320.
Published Online: December 7, 2004
... layer turbulence finite difference methods In internal cooling of turbine blades, coolant air is circulated through serpentine ribbed passages and discharged through bleed holes along the trailing edge of the blade. With rotation, the flow is subjected...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2000, 122(2): 294–300.
Published Online: February 1, 1999
... February 1999 Navier-Stokes equations flow simulation finite difference methods viscosity heat transfer computational fluid dynamics There are generally two methods to solve the implicit algorithm. One is the implicit approximate factorization (AF) method 2 6 7 8 9 and the other...