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Keywords: flow measurement
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Journal Articles
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031001.
Published Online: July 14, 2011
.... Son , S. Y. , Kihm , K. D. , and Han , J. C. , 2002 , “ PIV Flow Measurements for Heat Transfer Characterization in Two-Pass Square Channels With Smooth and 90-degree Ribbed Walls ,” Int. J. Heat Mass Transfer 0017-9310 , 45 ( 24 ), pp. 4809 – 4822 . 10.1016/S0017-9310(02)00192-8...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031029.
Published Online: February 28, 2011
... 2011 28 02 2011 blades design engineering film flow flow measurement heat transfer infrared imaging turbines velocimeters Film cooling of gas turbine stator and rotor airfoil surfaces has played a major role in preserving the structural integrity of these hot-section...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011008.
Published Online: September 9, 2010
... will be compared for different rotor positions with respect to the stationary slots in order to evaluate the time-dependent interaction between the rotor and the casing treatment. 27 08 2008 16 09 2008 09 09 2010 09 09 2010 blades compressors flow measurement rotors transonic...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041012.
Published Online: May 5, 2010
... flow measurements within the diffuser are available for comparison purposes. The space discretization is based on a cell-centered finite volume scheme. Both scalar and matrix artificial dissipation models introduced by Jameson et al. ( 23 ) and Swanson and Turkel ( 24 ) are available in the code...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041008.
Published Online: April 29, 2010
... compared with experimental measurements. 09 03 2009 06 05 2009 29 04 2010 29 04 2010 cooling effusion engines finite element analysis flow measurement liquid crystals Mach number Navier-Stokes equations plates (structures) polymers stainless steel turbines turbulence...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031023.
Published Online: April 7, 2010
... in secondary flow features as were previously observed experimentally, with associated changes in heat transfer with the blade tip. 02 03 2009 16 03 2009 07 04 2010 07 04 2010 blades design engineering engines flow measurement flow simulation gas turbines heat transfer...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011009.
Published Online: September 16, 2009
... solver, CEDRE . 06 08 2008 09 02 2009 16 09 2009 aerodynamics finite volume methods flow measurement flow visualisation jets Navier-Stokes equations velocity measurement State-of-the-art gas turbine engines are designed to operate at turbine inlet temperatures over...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011007.
Published Online: September 16, 2009
... layer turbulence bubbles flow measurement flow separation turbines wind tunnels 07 07 2008 02 02 2009 16 09 2009 Hourmouziadis , J. , 1989 , “ Aerodynamic Design of Low Pressure Turbines ,” AGARD Lecture Series , Vol. 167 , Advisory Group for Aeronautical...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041013.
Published Online: July 6, 2009
... 2008 06 07 2009 aerodynamics aerospace components blades boundary layer turbulence bubbles compressors computational fluid dynamics flow measurement flow separation laminar flow pressure measurement stators wakes 2007 IGTI Best Technical Paper The leading-edge...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041007.
Published Online: July 1, 2009
... heat flux reduction with a trench was higher than the case without a trench thus indicating lower heat transfer to the surface. blades boundary layer turbulence combustion equipment cooling flow measurement gas turbines jets liquid films stators vortices An endwall near...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021019.
Published Online: February 3, 2009
... , J. P. , 2004 , “ Active Control of a Separating Boundary Layer With Steady Vortex Generating Jets—Detailed Flow Measurements ,” presented at the AIAA Aerospace Sciences Meeting, Reno, NV, Jan. 5–8. Hansen , L. C. , and Bons , J. P. , 2006 , “ Phase-Locked Flow Measurements...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011014.
Published Online: October 28, 2008
...). However, it must be noted that very few data points exist with such high relative uncertainty magnitudes. Uncertainties for the blowing ratios are estimated to be 4%. Aerodynamic flow measurements were performed along the exit of the first stage stator to quantify the nature of the mainstream flow...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2008, 130(4): 041017.
Published Online: August 4, 2008
... , as shown in Fig. 2 . The black-thin line shows the superposed effects of the wake and the potential field perturbation on the time mean flow measured during a combined interaction. The upper set of labels (A–G) is used to describe the wake effects as in Refs. 15 16 . Points A, B, and E placed...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2008, 130(4): 041005.
Published Online: July 31, 2008
... patterns move downstream along the tip clearance vortex path in time. As a result of the wake influence, the orientation and extension of the tip clearance vortices as well as the flow blockage periodically vary in time. 05 06 2007 10 09 2007 31 07 2008 blades compressors flow...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031009.
Published Online: May 2, 2008
...Matthias Schleer; Reza S. Abhari This work reports on flow measurements taken within the vaneless diffuser of a scaled-up model of a small-scale, highly loaded unshrouded compressor with large relative tip clearance. The aims are to describe and to analyze the influence of the clearance flow...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2008, 130(2): 021016.
Published Online: March 24, 2008
.... 13 07 2006 17 07 2006 24 03 2008 turbines blades computational fluid dynamics heat transfer rotors flow measurement pressure measurement temperature measurement aerodynamics The stage is heavily instrumented with an emphasis on the blades. The vane is instrumented...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2008, 130(2): 021019.
Published Online: March 24, 2008
... and the thermal performance factor results are presented. Average buoyancy effects at Re = 10,000 , inlet 08 10 2006 10 01 2007 24 03 2008 gas turbines heat transfer turbulence flow measurement One approach for increasing the efficiency of gas turbines...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2008, 130(2): 021014.
Published Online: March 21, 2008
...Jeffrey P. Bons; Daniel Reimann; Matthew Bloxham Flow measurements were made on a highly loaded low pressure turbine blade in a low-speed linear cascade facility. The blade has a design Zweifel coefficient of 1.34 with a peak pressure coefficient near 47% axial chord (midloaded). Flow and surface...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011010.
Published Online: January 14, 2008
... blades. Detailed laser Doppler velocimetry flow measurements are available at various cross sections inside the impeller blades highlighting the presence of low-velocity flow regions near the shroud. Particular attention is focused on understanding the physical mechanisms which govern the flow phenomena...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 842–851.
Published Online: October 9, 2006
... on the efficiency of individual blade stages has only received limited attention. Since “the only rational measure of loss in an adiabatic machine is entropy creation” ( 1 ), any attempts to understand loss mechanisms require the measurement of entropy. probes turbomachinery entropy flow measurement...