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Keywords: aerodynamics
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021005.
Paper No: GTP-20-1438
Published Online: January 13, 2021
... operate with increased efficiency by generating more lift on the advancing side of the rotor disk than the retreating [ 29 ]. Due to the lack of data available for the aerodynamic characteristics of the compound rotorcraft streamlined fuselage, aerodynamic coefficients as a function of angle of attack...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011018.
Paper No: GTP-20-1672
Published Online: January 4, 2021
...@northumbria.ac.uk 19 10 2020 29 10 2020 04 01 2021 wind turbines aerodynamics aeroelasticity computational fluid dynamics nonlinear frequency domain solution method The power generation from renewable energy resources has been significantly increased in recent years. Among...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051003.
Paper No: GTP-18-1212
Published Online: November 22, 2018
... resolving the small scale and large number of cooling holes is impractical at the preliminary design phase. This paper presents an alternative approach for predicting aerodynamic performance of TCC systems using a “smart” porous media (PM) to replace regions of cooling holes. Numerically CFD defined...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2016, 138(11): 112603.
Paper No: GTP-16-1159
Published Online: June 1, 2016
... Aerodynamics , Longman Scientific & Technical , Harlow, Essex, UK . [18] Mattingly , J. D. , 2006 , Elements of Propulsion: Gas Turbines and Rockets , AIAA , Blacksburg, VA . 10.2514/4.861789 [19] Callister , W. D. , and Rethwisch , D. G. , 2010 , Materials Science...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. May 2012, 134(5): 054501.
Published Online: March 6, 2012
... of a High Fidelity Aero-Thermodynamic Turbofan Engine Simulation,” ASME Turbo Expo, Jun. 6-10, Vancouver, Canada, Paper No. GT2011-46661). 22 06 2011 05 08 2011 06 03 2012 06 03 2012 aerodynamics flow simulation gas turbines jet engines reduced order systems thermodynamics...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 052504.
Published Online: February 29, 2012
... to correctly evaluate the impinging jet mass flow rate, the characterization of holes discharge coefficient is a compulsory activity. In this work, an aerodynamic analysis of jet arrays for active clearance control was performed; the aim was the definition of a correlation for the discharge coefficient (C d...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 042603.
Published Online: February 1, 2012
... aspect of this paper is that the effects of load types, namely resistive heating, battery charging, and grid connection were also investigated. It was shown that major contributors to improved starting performance are aerodynamic improvements, reduction of inertia, and simply changing the pitch angle...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032401.
Published Online: January 3, 2012
.... A particular emphasis will be on the capabilities of modern air filtration systems. 01 05 2011 01 05 2011 03 01 2012 03 01 2012 aerodynamics blades compressors gas turbines maintenance engineering surface roughness Fouling of compressor blades is an important mechanism...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032504.
Published Online: January 3, 2012
.... Probabilistic simulation methods allow for the generation of a sampled set of blades that statistically corresponds to the measured one. This technique was applied to generate 4000 sampled blades in order to investigate the influence of a nonaxisymmetric blading. It was found that the aerodynamic performance...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032502.
Published Online: December 28, 2011
... 2011 28 12 2011 28 12 2011 abrasion aerodynamics aerospace components aerospace propulsion friction machine bearings rotors turbomachinery hybrid air foil bearing oil-free aero-propulsion Air/gas foil bearings (AFBs) have shown promise in high-speed micro...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2011, 133(12): 122502.
Published Online: August 26, 2011
...Kwen Hsu; Daniel Hoyniak The blade geometric variations are usually ignored in the prediction of bladed disk aerodynamic damping values. This situation is the result of the high computational cost associated with the full-annulus unsteady flow CFD models required to account for these blade...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2011, 133(10): 101501.
Published Online: April 25, 2011
...Stephan Burmberger; Thomas Sattelmayer A frequently employed method for aerodynamic flame stabilization in modern premixed low emission combustors is the breakdown of swirling flows; with carefully optimized tailoring of the swirler, a sudden transition in the flow field in the combustor can...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2011, 133(9): 091301.
Published Online: April 14, 2011
... layer, the time to coating failure in TBC systems, and the evolution in the mechanical properties are presented. 04 06 2010 30 06 2010 14 04 2011 14 04 2011 aerodynamics compressive strength compressive testing creep failure analysis gas turbines nanoindentation nickel...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 081601.
Published Online: April 5, 2011
... (UAV) that is equipped with a seven-sensor fast-response aerodynamic probe (F7S-UAV). The autonomous UAV enables high spatial resolution ( ∼ 6.3 % of rotor diameter) measurements, which hitherto have not been accomplished around full-scale wind turbines. The F7S-UAV probe developed at ETH Zurich...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 072501.
Published Online: March 10, 2011
... and the robustness of the optimum mistuning patterns has been demonstrated. The combined effect of the aerodynamic and structural damping on the response reduction is assessed. It is shown that the new phenomenon is of major practical significance and has to be taken into account in analysis of the forced response...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 041601.
Published Online: November 23, 2010
...Anthony G. Sheard; Alessandro Corsini; Stefano Bianchi This study describes the development of a novel stall-detection methodology for low-speed axial-flow fans. Because aerodynamic stall is a major potential cause of mechanical failure in axial fans, effective stall-detection techniques have had...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 041201.
Published Online: November 19, 2010
... and not visible from outside. Visualization using video cameras is not possible due to limited access and a very harsh environment. For this reason, efforts to pinpoint the icing location and understand its formation have been hampered. aerodynamics aerospace industry freezing jet engines 19 04...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 042504.
Published Online: November 19, 2010
... in pressure through diffusion. As the operating pressure in a compressor increases, the fluid-rotor interaction at the seals and impellers become more important. Also, the new generation of megascale liquefied natural gas compressors is dependent on accurate assessment of these forces. The aerodynamic forces...