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1-20 of 759
Keywords: Combustion
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Journal Articles
Ramees K. Rahman, Michael Pierro, Mark Winquist, Ganesan Subbaraman, Wenting Sun, Robert Steele, John Vega, Subith S. Vasu
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021025.
Paper No: GTP-24-1352
Published Online: October 26, 2024
... and the development of novel combustors. Blending hydrogen with ammonia, however, helps in having better control over the combustion properties. For example, a 70%/30% mixture of NH 3 /H 2 mixture has a flame speed comparable to natural gas. Before utilizing hydrogen-blended ammonia in an actual gas turbine combustor...
Journal Articles
Bryan J. Harder, Carl W. Liebfried, Thomas R. Luginbuhl, Andrew D. Smith, Amy R. Stalker, Michael J. Presby
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031016.
Paper No: GTP-24-1250
Published Online: October 15, 2024
... these materials, testing in combustion environments is a critical step prior to engine testing. In this work, we detail the design and the fabrication of a materials test sector in a flame tube combustor facility. The facility simulates a combustion environment similar to that experienced by components in gas...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021015.
Paper No: GTP-24-1413
Published Online: September 27, 2024
... with 100 % hydrogen firing is developed and validated. The project is funded by the German BMWK, and it is a collaboration between Technische Universität Berlin (TUB) and the manufacturer Euro-K GmbH. It consists of three phases: (1) atmospheric pressure tests with a fused silica combustion chamber; (2...
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
... author. e-mail: lang.florian@siemens-energy.com e-mail: maximilian.savtschenko@gmail.com e-mail: v.yadav@tu-berlin.de e-mail: ghani@tu-berlin.de 26 07 2024 09 08 2024 26 09 2024 gas turbines combustion ignition classifiers recommender system...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011017.
Paper No: GTP-24-1389
Published Online: September 19, 2024
...Javier Rodriguez Camacho; Dang Le; James Blust; Jacqueline O'Connor Two potential decarbonization pathways for natural gas (NG)-fueled gas turbine engines include blending hydrogen (H 2 ) into NG and postcombustion carbon capture. H 2 blending changes several combustion properties, including flame...
Journal Articles
Jordan Davies, Luca Mazzotta, Daisuke Sato, Syed Mashruk, Daniel Pugh, Domenico Borello, Agustin Valera-Medina
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011006.
Paper No: GTP-24-1236
Published Online: September 13, 2024
... ammonia hydrogen combustion emissions stratification partial premixing Department for Business, Innovation and Skills 10.13039/501100004800 IFS2-06-FLO Engineering and Physical Sciences Research Council 10.13039/501100000266 EP/S022996/1 Renewably produced ammonia...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011004.
Paper No: GTP-24-1341
Published Online: September 6, 2024
... an expanded Turkel’s approach for thermally perfect gas mixtures. Partial pressure derivatives are approximated when using the flamelet generated manifolds (FGM) combustion model. The proposed scheme is evaluated through scale-resolving simulations of the Cambridge burner flame SWB1 on an unstructured grid...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121010.
Paper No: GTP-24-1285
Published Online: September 5, 2024
...A. Ballotti; S. Castellani; A. Andreini In this study, a dynamic thickening strategy for dynamic thickened flame model for large eddy simulations (DTFLES) application to multi-regime combustion is proposed. The main idea lies in using the numerical solution of an ordinary differential equation (ODE...
Journal Articles
Zhijia Yang, Byron Mason, Brian Wooyeol Bae, Fabrizio Bonatesta, Edward Winward, Richard Burke, Edward Chappell
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091014.
Paper No: GTP-23-1561
Published Online: April 4, 2024
... the piston cooling jet (PCJ), which is common in modern engines. Considerable research has been undertaken to identify generalized engine heat transfer correlations and to predict piston and cylinder wall surface temperatures during operation. Most of these correlations require in-cylinder combustion...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061021.
Paper No: GTP-23-1607
Published Online: January 12, 2024
... combustion exhaust gas recirculation stability pilot flame Climate change is steadily affecting our environment, with the negative effects and risks becoming increasingly severe [ 1 ]. A major cause of climate change is greenhouse gases, carbon dioxide (CO 2 ) in particular. CO 2 is generated...
Journal Articles
Daniel Pugh, Phil Bowen, Rukshan Navaratne, Burak Goktepe, Anthony Giles, Agustin Valera Medina, Steven Morris, Robin Vivoli
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061006.
Paper No: GTP-23-1411
Published Online: January 4, 2024
..., and nonpolluting combustion systems. This includes more traditional concern for formation of nitrogen oxides (NO x , typically NO and NO 2 ), which can also provide detrimental impacts on both respiratory health and the environment. While NO x emissions were already a primary consideration for natural gas fired...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041013.
Paper No: GTP-23-1482
Published Online: December 8, 2023
...Tom Tanneberger; Johannes Mundstock; Christoph Rex; Sebastian Rösch; Christian Oliver Paschereit The vision of a carbon-neutral world implies the shift from fossil to clean fuels for combustion-driven processes and machines like gas turbines. Green hydrogen is a promising alternative to substitute...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111004.
Paper No: GTP-22-1604
Published Online: September 29, 2023
... various physical properties to accurately reproduce the spray characteristics. Then, a minimal and high-precision surrogate skeletal mechanism that can be suitable for computational fluid dynamics (CFD) simulations was developed and validated against some fundamental combustion experiments for each...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2023, 145(10): 101009.
Paper No: GTP-23-1049
Published Online: September 7, 2023
... decreases the sensitivity of the optimization error to the LHS seed number, i.e., the sample distribution. In this section, the toolchain is used to find scaled designs with similar thermo-physical properties to the reference case described in Sec. 3.2 . Simulations are made with combustion chamber...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061014.
Paper No: GTP-22-1470
Published Online: February 6, 2023
... volumetric efficiency and power output. CNG's lower gas jet momentum during a low load operation creates a non-uniform air-fuel mixture that affects ignition and combustion quality. Direct injection of CNG with optimum injection timing is expected to improve volumetric efficiency, ignition quality...
Journal Articles
Jessica B. Baker, Ramees K. Rahman, Michael Pierro, Jacklyn Higgs, Justin Urso, Cory Kinney, Subith Vasu
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041002.
Paper No: GTP-22-1321
Published Online: December 8, 2022
... important ammonia decomposition pathways in the presence of hydrogen and natural gas. e-mail: jessicablueb@knights.ucf.edu 11 07 2022 08 08 2022 08 12 2022 combustion emissions fuels and combustion National Aeronautics and Space Administration 10.13039/100000104...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021005.
Paper No: GTP-22-1175
Published Online: November 28, 2022
...Wenjin Qin; Lihui Xu; Qiang Cheng With the increasing environmental and energy problems, the development of new combustion technology has become a hot topic in the research of internal combustion engine. Reactivity controlled compression ignition (RCCI) combustion mode is the most promising...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061010.
Paper No: GTP-21-1621
Published Online: May 12, 2022
... equivalence ratio (Φ global ) and with intake charge preheating to analyze the performance, combustion and emission characteristics of the engine. The important parameters such as brake thermal efficiency, actual diesel replacement, coefficient of variation of indicated mean effective pressure, relative cycle...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081020.
Paper No: GTP-20-1730
Published Online: March 31, 2021
... dioxide (CO 2 ) content, respectively, this paper studies the influence of different biogas mixtures compared to natural gas on the combustion in a flameless oxidation (FLOX ® )-based six nozzle combustor. The single staged combustor is suitable for use in a micro gas turbine (MGT) based combined heat...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041002.
Paper No: GTP-20-1428
Published Online: February 9, 2021
... capabilities are either using a diffusion burner or some version of a wet low emissions (WLE) burner. Most dry low emission/dry low NO x (DLE/DLN) technologies are currently limited to approximately 60% H 2 or less. Therefore, research is currently underway to develop low NO x gas turbine combustion systems...
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