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Keywords: heat conduction
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Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041022.
Published Online: April 26, 2011
... calibration cooling engines heat conduction nozzles pressure measurement radiation stagnation flow temperature measurement thermocouples transducers valves Precise and reliable instruments for stagnation temperature and pressure measurements in the most hostile sections of the turbine...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021023.
Published Online: October 26, 2010
... conditions tested. 27 07 2009 05 08 2009 26 10 2010 26 10 2010 computational fluid dynamics cooling heat conduction nozzles In gas turbines, air is diverted from the compressor to the turbine through a system of channels, pipes, and sealed cavities. The main purpose...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031016.
Published Online: April 5, 2010
... that fluid flow time scales are much shorter than those for the solid heat conduction and therefore the influence of unsteadiness in fluid regions is negligible. To facilitate the thermal coupling, the procedure is designed to allow a set of CFD models to be defined at key time points/intervals...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021013.
Published Online: January 13, 2010
... for the aerothermal optimization described in a second paper. The CHT method uses three separate solvers: a Navier–Stokes solver to predict the nonadiabatic external flow and heat flux, a finite element analysis (FEA) to compute the heat conduction and stress within the solid, and a 1D aerothermal model based...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011008.
Published Online: September 16, 2009
... flow heat transfer will continue in order to mitigate any deficiencies and to further improve the correlations and the CFD tools. 19 08 2008 04 09 2008 16 09 2009 aerospace engines aircraft blades computational fluid dynamics convection gears heat conduction heat radiation...
Journal Articles
Article Type: Technical Briefs
J. Turbomach. October 2009, 131(4): 044501.
Published Online: June 30, 2009
... a decrease in enhancement of approximately 45% in the near-hole region at S R = 5 , which decreases to approximately 25% in the same region for S R = 2.5 . blades boundary layers channel flow combustion computational fluid dynamics cooling gas turbines heat conduction jet...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031001.
Published Online: April 2, 2009
..., which is most appropriate for flow measurements. The design procedures necessary to achieve a desired flow condition are discussed. 09 12 2006 26 07 2008 02 04 2009 blades flow simulation heat conduction numerical analysis pipe flow turbines Large-scale efforts...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 294–302.
Published Online: July 14, 2006
.... The cooling levels exhibited by these particular geometries are comparable to shaped holes, but much easier and cheaper to manufacture. coolants cooling turbines blades infrared imaging heat conduction turbulence jets internal combustion engines transverse trench film cooling adiabatic...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2005, 127(3): 462–470.
Published Online: March 1, 2004
.... 01 10 2003 01 03 2004 machine testing particle size gas turbines Mach number convection heat conduction surface topography flow simulation Despite the greatest of precautions and most stringent filtering techniques, it is nearly impossible to economically provide...