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Keywords: flow visualisation
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041014.
Published Online: July 21, 2011
... 2011 21 07 2011 blades cooling flow visualisation mass transfer rotors stators turbulence vortices The efficiency of a gas turbine increases with the temperature of the hot combustion gases at the stage inlet. Modern gas turbines are designed to operate at turbine inlet...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011023.
Published Online: June 1, 2011
... ducts flow separation flow visualisation jet engines vortices wakes Advanced requirements on future turbofans lead to conventional engines with high-bypass-ratios and large fans. Therefore, the low pressure (LP) turbine driving the fan has to rotate at a lower speed but at a much higher...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011019.
Published Online: September 23, 2010
... engines flow visualisation gas turbines heat transfer vortices A fundamental issue in the design of gas turbine engines is the detrimental effects of vortical flows that are present near the junction of the airfoil and its endwall. These flows, generally termed secondary flows, increase...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011018.
Published Online: September 23, 2010
.... On the other hand, the experiments show an uncertainty as evaluated, and they can also be subject to transient flow phenomena due to boundary conditions. 02 07 2009 27 07 2009 23 09 2010 23 09 2010 blades cooling flow visualisation gas turbines turbulence convection...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011013.
Published Online: September 21, 2010
... . 10.1115/1.1545766 Mora , A. , D'Ippolito , G. , and Dossena , V. , 2008 , “ On the Application of Leaning Technique on Annular Turbine Cascades ,” Paper No. ISROMAC12-2008-20031. 25 02 2009 27 03 2009 21 09 2010 21 09 2010 blades flow visualisation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011013.
Published Online: September 17, 2009
... aerodynamics aerospace components blades flow visualisation pressure measurement turbines velocity measurement Implementation of high-lift airfoils in low-pressure turbine design is an attractive means to reduce engine weight and manufacturing costs. Several studies ( 1 2 3 ) have shown...
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011008.
Published Online: October 3, 2008
... 2007 05 07 2007 03 10 2008 blades bubbles cooling flow separation flow visualisation gas turbines turbulence turbine tip heat transfer novel cooling strategy In a gas turbine, a gap between the rotating blade tip and the stationary casing is needed to allow...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031017.
Published Online: May 6, 2008
... into the low pressure compression domain but also the expected hysteresis pattern of the surge loop in terms of its mass flow versus pressure characteristic. 20 02 2007 22 02 2007 06 05 2008 compressible flow compressors elasticity flow instability flow visualisation machine testing...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011022.
Published Online: January 28, 2008
... pressure side film cooling. The general flow field, the jet trajectory, and the streamwise circulation are utilized in the validation of the quasisteady assumption. 11 09 2006 30 10 2006 28 01 2008 turbines wind tunnels cooling blades flow visualisation jets film cooling...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011004.
Published Online: December 19, 2007
... boundary layers flow visualisation flow control Boundary layer suction has long been used both in external and internal aerodynamics to control flow separations, particularly two-dimensional (2D) boundary layer separation. In turbomachinery, the use of suction or aspiration has been focused...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011001.
Published Online: December 14, 2007
... regions of the turbine. The relative motion between the blades casing end wall is probably the most significant effect not simulated in most cascade experiments. turbines blades rotors flow visualisation vortices belts 30 03 2006 04 04 2006 14 12 2007 With relative...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 686–693.
Published Online: August 11, 2006
... phenomena were elucidated. blades confined flow impellers compressors transonic flow flow visualisation subsonic flow flow instability computational fluid dynamics wakes The authors would like to express their appreciation to Mr. Sumida and Mr. Atsushi Matsuo, who helped plan...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 705–712.
Published Online: July 31, 2006
... to turbulent transitions flow visualisation computational fluid dynamics wakes blades 31 07 2006 31 07 2006 Figure 8 compares the experimentally measured and computationally predicted variation of momentum thickness divided by the time-average ( θ ∕ θ m ) . A periodic...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 608–618.
Published Online: July 20, 2006
... layer flow at the endwall is strongly affected and seems to be highly turbulent, resulting in entirely different heat transfer distributions. 14 07 2006 20 07 2006 heat transfer turbines wind tunnels blades boundary layer turbulence aerodynamics flow visualisation vortices...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2006, 128(3): 500–511.
Published Online: January 9, 2006
... * ] Edge . 16 11 2004 09 01 2006 turbines jets flow visualisation two-phase flow flow instability numerical analysis confined flow The bucket geometry is partially provided due to confidentiality. Up to now, Pelton turbines have been designed using experimental...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2005, 127(2): 412–421.
Published Online: May 5, 2005
... instability nozzles stators flow visualisation computational fluid dynamics aerodynamics pipe flow aerospace engines High cycle fatigue (HCF) of turbomachinery components is an important area of concern in the design and development of aircraft engines. The fundamental...
Journal Articles