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Keywords: Finite element
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041014.
Paper No: GTP-19-1440
Published Online: February 3, 2020
... using X-ray computed tomography scan technique. The computational modeling involved explicit dynamic finite element (FE) simulation of the impact process wherein either delamination mechanism is modeled or both ply damage and delamination mechanisms are modeled in a coupled manner. The delamination...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011007.
Paper No: GTP-18-1287
Published Online: September 14, 2018
... Finite element Flow induced vibration Fuels Modeling Periodic Thermoacoustics Unsteady Unsteady flows Vibration Wave propagation Flow induced noise Combustion Can-annular combustors are common in heavy-duty land based gas turbines. In this design, the air flows from the compressor...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122801.
Paper No: GTP-18-1084
Published Online: August 6, 2018
.... 20 02 2018 26 03 2018 Computational fluid dynamics Energy storage systems Energy systems Engines Experimental Finite element Internal combustion engines Modeling Power Thermal Turbines Control systems Co- generation Hybridized and fully electrified boosting...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072505.
Paper No: GTP-17-1483
Published Online: April 10, 2018
... of the FCM method on a multistage system that is tuned and, for the first time, creates a multistage ROM with large mistuning using only sector-level quantities and calculations. The results of the multistage ROM for the tuned and large mistuning cases are compared with full finite element results...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062802.
Paper No: GTP-17-1018
Published Online: January 23, 2018
...Lidui Wei; Haijun Wei; Haiping Du; Shulin Duan To predict the vibration characteristics of the crankshaft of the larger marine diesel engine accurately and comprehensively, based on the finite element models of the crankshaft and the engine block reduced by a component mode synthesis (CMS) method...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062602.
Paper No: GTP-17-1478
Published Online: January 17, 2018
...; published online January 17, 2018. Editor: David Wisler. 25 08 2017 25 09 2017 Equilibrium Finite element Finite element methods Fluids Modeling Structural dynamics Vibration Electric submersible pumps (ESPs) are widely used in oil production as dynamic pumps...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051506.
Paper No: GTP-17-1409
Published Online: January 10, 2018
... OWER . Manuscript received July 28, 2017; final manuscript received August 22, 2017; published online January 10, 2018. Editor: David Wisler. 28 07 2017 22 08 2017 Finite element Jets Shear Flows Turbulence Unsteady flows Swirled fuel injection systems are often used...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022501.
Paper No: GTP-17-1269
Published Online: October 3, 2017
... bearing in the role of a CB. This paper develops a coupled two-dimensional (2D) elastic deformation—heat transfer finite element model of the sleeve bearing acting as a CB. A coulomb friction model is used to model the friction force between the rotor and the sleeve bearing. The contact force and 2D...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012502.
Paper No: GTP-17-1250
Published Online: September 19, 2017
..., 2017; published online September 19, 2017. Editor: David Wisler. 02 07 2017 05 07 2017 Film Finite element Gas turbine technology Structural dynamics Squeeze film dampers (SFDs) are fluid film mechanical elements that provide viscous damping to mechanical systems. SFDs...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012603.
Paper No: GTP-17-1252
Published Online: September 19, 2017
... FOR G AS T URBINES AND P OWER . Manuscript received July 3, 2017; final manuscript received July 11, 2017; published online September 19, 2017. Editor: David Wisler. 03 07 2017 11 07 2017 Finite element Finite element methods Heat transfer Solar thermal power Thermal Turbines...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 122101.
Paper No: GTP-17-1256
Published Online: September 13, 2017
... undamaged. At the higher load, the TBC formed vertical cracks which relieved the stresses in the TBC and retarded delamination damage. A finite element (FE) analysis was used to establish a likely vertical crack configuration (spacing and depth), and it could be confirmed that the corresponding stress drop...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 091501.
Paper No: GTP-16-1354
Published Online: April 11, 2017
...: Joseph Zelina. 20 07 2016 23 01 2017 Combustion Combustors Finite element Finite element methods Gas turbine technology Modeling Thermoacoustics Over the years, longitudinal experimental test rigs equipped with a single burner have been largely analyzed in literature...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2017, 139(8): 082803.
Paper No: GTP-17-1002
Published Online: April 4, 2017
...Valentina Futoryanova One of the common failure modes of the diesel-engine turbochargers is the high-cycle fatigue (HCF) of the turbine-wheel blades. Mistuning of the blades due to the casting process is believed to contribute to this failure mode. Currently available commercial finite-element...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062505.
Paper No: GTP-16-1428
Published Online: February 1, 2017
...; final manuscript received September 2, 2016; published online February 1, 2017. Editor: David Wisler. 29 08 2016 02 09 2016 Design optimization Energy Finite element Friction Petroleum engineering Power systems Swirling Vibration Wear In 2014, Childs et al. [ 1...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062501.
Paper No: GTP-16-1452
Published Online: January 18, 2017
... errors) and the ROM size as observed in Figs. 7 and 8 . Aerodynamics Computational Computational mechanics Finite element Finite element methods Structural dynamics Unsteady Unsteady flows Vibration The variation in the blisk response when subjected to unsteady aerodynamic...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031507.
Paper No: GTP-16-1275
Published Online: October 4, 2016
... Combustors Composites Computational fluid dynamics Cooling Experimental Finite element The emission limits for minority species (especially nitric oxides (NO x ) and also carbon monoxide (CO), unburned hydrocarbons (UHC), and soot) are lowered more and more by the International Civil Aviation...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022504.
Paper No: GTP-16-1236
Published Online: September 13, 2016
...Jishen Jiang; Bingqian Xu; Weizhe Wang; Richard Amankwa Adjei; Xiaofeng Zhao; Yingzheng Liu Finite element simulations based on an interface cohesive zone model (CZM) have been developed to mimic the interfacial cracking behavior between the α − Al 2 O 3 thermally grown oxide (TGO) and the aluminum...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012501.
Paper No: GTP-14-1459
Published Online: August 16, 2016
... online August 16, 2016. Editor: David Wisler. 04 08 2014 05 07 2016 Finite element Structural dynamics Vibration Turbine bladings of modern low-pressure steam turbines are subjected to high static and dynamic loads. The static loads are primarily caused by the centrifugal...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012503.
Paper No: GTP-16-1226
Published Online: August 16, 2016
...Lingnan Hu; Alan Palazzolo The authors present an improved modeling approach to analyze the coupled rotor-support dynamics by modeling the rotor with solid finite elements (FEs) and utilizing multiple-input and multiple-output transfer functions (TFs) to represent the flexible support. A state...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2016, 138(12): 122801.
Paper No: GTP-15-1422
Published Online: July 6, 2016
...Dibesh D. Joshi; Frank K. Lu A general, dynamical approach developed a high-fidelity, finite element model of a pulse detonation engine (PDE). The approach deconvolved the structural response due to cyclic acceleration that would be measured by a load cell, thereby obtaining the actual thrust...