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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041030.
Paper No: GTP-24-1535
Published Online: December 11, 2024
..., a cobalt-based superalloy, in aeroderivative industrial gas turbine nozzle guide vanes. While Mar-M-509 offers exceptional properties for high-temperature applications, the rapid cooling rates inherent in LPBF introduce significant residual stresses, leading to poor success rates below 50%. The study...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041005.
Paper No: GTP-24-1432
Published Online: October 15, 2024
... significant combustor redesign. However, the combustion characteristics and operation limits for different ammonia/hydrogen mixtures still need to be evaluated. For gas turbine applications in particular, the effect of ammonia/hydrogen mixture composition and operating condition on flame behavior...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021007.
Paper No: GTP-24-1379
Published Online: September 26, 2024
...Florian Lang; Maximilian Savtschenko; Vikas Yadav; Abdulla Ghani Prediction of successful ignition is a challenging task that requires knowledge of the local thermochemical state in highly turbulent flow conditions. For typical industrial gas turbine (GTs) conditions operated on active service...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011007.
Paper No: GTP-24-1269
Published Online: September 13, 2024
...Patrick Krueger; Hanno Gottschalk; Bastian Werdelmann; Werner Krebs The need to burn 100% H 2 in high efficient gas turbines featuring low NO x combustion in premix mode requires the complete redesign of the combustion system to ensure stable operation without any flashback. Since all engine frames...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121025.
Paper No: GTP-21-1363
Published Online: October 13, 2021
...-mail:  gilles.bourque@siemens-energy.com e-mail:  henry.curran@nuigalway.ie 13 07 2021 15 07 2021 13 10 2021 chemical kinetics gas turbines internal combustion engines oxidation natural gas ST IDT correlation Science Foundation Ireland 10.13039/501100001602 The authors...
Journal Articles
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
...-mail:  i.goulos@cranfield.ac.uk e-mail:  devaiah.nalianda@cranfield.ac.uk e-mail:  v.pachidis@cranfield.ac.uk 27 08 2020 11 09 2020 13 01 2021 compound rotorcraft coaxial rotor redundant controls optimization gas turbines environmental impact aerodynamics control aerospace...
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
...Yanling Li; A. Duncan Walker; John Irving Impingement cooling is commonly employed in gas turbines to control the turbine tip clearance. During the design phase, computational fluid dynamics (CFD) is an effective way of evaluating such systems but for most turbine case cooling (TCC) systems...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2013, 135(12): 122508.
Paper No: GTP-13-1180
Published Online: September 23, 2013
... encounter environmental problems [ 3–5 ]. There are usually rotating members in most of the power MEMS devices, such as micro gas turbine engines, micro electrically driven compressors, and microturbopumps. Thrust bearings are required in those devices to support the high-speed rotating rotors and provide...
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
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 051702.
Published Online: March 5, 2012
... between each stage. More work is available in expansion than is required during re-compression, so the device is a heat engine. The device provides a relatively cheap way to boost the power output of open-cycle gas turbines. The principal assumptions for the theoretical model developed herein are that air...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 052508.
Published Online: March 1, 2012
...Roland Mücke; Klaus Rau Modern heavy-duty gas turbines operate under hot gas temperatures that are much higher than the temperature capability of nickel superalloys. For that reason, advanced cooling technology is applied for reducing the metal temperature to an acceptable level. Highly cooled...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 051701.
Published Online: March 1, 2012
... air turbine (AHAT) system has been studied to improve operational flexibility and thermal efficiency of the gas turbine power generation system. Advanced humid air turbine is an original system which substitutes the water atomization cooling (WAC) system for the intercooler system of the HAT cycle...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 051503.
Published Online: February 29, 2012
...John Blouch; Hejie Li; Mark Mueller; Richard Hook The LM2500 and LM6000 dry-low-emissions aeroderivative gas turbine engines have been in commercial service for 15 years and have accumulated nearly 10 × 10 6 hours of commercial operation. The majority of these engines utilize pipeline quality...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 052503.
Published Online: February 23, 2012
... , “ Instability Threshold and Stability Boundaries of Rotor-Bearing Systems ,” ASME J. Eng. Gas Turbines Power , 118 ( 1 ), pp. 115 – 121 . 10.1115/1.2816526 4 Lund , J. W. , 1974 , “ Stability and Damped Critical Speeds of a Flexible Rotor in Fluid Film Bearings ,” ASME J. Eng. Ind. , 96 ( 2...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 051501.
Published Online: February 16, 2012
...Eric Petersen; Madeleine Kopp; Nicole Donato; Felix Güthe Chemiluminescence continues to be of interest as a cost-effective optical diagnostic for gas turbine combustor health monitoring. However, most chemical kinetics mechanisms of the chemiluminescence of target species such as OH*, CH*, and CO...