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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2019, 141(7): 071004.
Paper No: GTP-18-1449
Published Online: January 11, 2019
... computational heat transfer internal flow jets swirling turbines In order to further increase the efficiency and power, gas temperature at gas turbine inlet becomes extremely high which is far beyond the thermal limit of the material. Thus, cooling technique is critical to protect the blade...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011017.
Paper No: GTP-18-1359
Published Online: September 17, 2018
... FEA. These standard numerical analyses are limited due to high time and financial costs. Whereas CFD and FEA require several days up to several weeks, depending on the resolution and computing facility, ComDAT and CoSMA tools solve a simplified combustor analysis in a couple of minutes and so allow...
Topics: Design, Engines
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102806.
Paper No: GTP-17-1080
Published Online: June 25, 2018
... of designs. The engine parameters were start of injection (SOI), injection duration, and injector included angle. The engine simulation was completed with a sector mesh in the commercial computational fluid dynamics (CFD) software CONVERGE , which predicted the combustion and emissions using a detailed...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102502.
Paper No: GTP-17-1421
Published Online: June 25, 2018
... and the case to abate the higher pressure leakage. Experimental and computational investigations of shroud clearance flow in a radial inflow turbine with labyrinth seals are presented in this paper. Compared with the result without leakage, numerical computation result including the leakage of labyrinth seals...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 101502.
Paper No: GTP-17-1204
Published Online: June 25, 2018
... OWER . Manuscript received June 8, 2017; final manuscript received July 5, 2017; published online June 25, 2018. Editor: David Wisler. 08 06 2017 05 07 2017 Combustion Computational Computational fluid dynamics Flame Fuel combustion Gaseous Modeling Modern heavy duty...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 092603.
Paper No: GTP-17-1477
Published Online: May 24, 2018
... with variable power turbine guide vanes in matlab / simulink . The sample size is decreased substantially after analyzing the relationship between high and low pressure shaft rotational speeds under dynamic working conditions, which reduces the computational burden of the simulation. The effects of the power...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 091501.
Paper No: GTP-17-1159
Published Online: May 24, 2018
... in the design parameters. In this section, the FDF model together with the neural network is applied to investigate the thermoacoustic instability in the combustor. Computations are made for 12 cases with the wide range of plenum and chamber length. With the refined FDF data generated by RBFNN...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072505.
Paper No: GTP-17-1483
Published Online: April 10, 2018
... constraint modes. This paper presents a new way to calculate a reduced set of constraint modes referred to as Fourier constraint modes (FCMs). These FCMs greatly reduce the number of computations required to construct a multistage reduced order model (ROM). The FCM method can also be integrated readily...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061509.
Paper No: GTP-16-1504
Published Online: February 28, 2018
... Then, the stoichiometric mass air–fuel ratio is (4) ( AF ) s = ( m a m f ) s = 28.85 · 4.76 · a s 12.01 a + 1.008 b + 15.99 c For a gaseous mixture of multiple fuel species and air, the overall instantaneous equivalence ratio can be computed...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061508.
Paper No: GTP-17-1401
Published Online: February 27, 2018
.... B. , 2009 , “ A Paradigm Shift in the Interaction of Experiments and Computations in Combustion Research ,” Proc. Combust. Inst. , 32 ( 1 ), pp. 879 – 886 . 10.1016/j.proci.2008.05.066 [19] Versailles , P. , 2017 , “ CH formation in Premixed Flames of C1–C4 Alkanes: Assessment...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062503.
Paper No: GTP-17-1488
Published Online: January 23, 2018
...Kai Kadau; Phillip W. Gravett; Christian Amann We developed and successfully applied a direct simulation Monte Carlo (MC) scheme to quantify the risk of fracture for heavy-duty rotors commonly used in the energy sector. The developed probabilistic fracture mechanics (FM), high-performance computing...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051202.
Paper No: GTP-17-1345
Published Online: December 19, 2017
... characteristics and the operability of the whole installation. The study of such models is motivated by the wish to avoid the costs incurred by full, three-dimensional (3D) computational fluid dynamics (CFD) computations. The present contribution documents a fan model for fan–intake computations based...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 041506.
Paper No: GTP-17-1380
Published Online: October 31, 2017
... Wisler. 20 07 2017 31 07 2017 Computational The stiffness and damping of the foil structure are the capital mechanical characteristics of the foil bearings. Therefore, they have received an increased attention since the emergence of this technology. This is a complex...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032502.
Paper No: GTP-17-1277
Published Online: October 17, 2017
... in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 4, 2017; final manuscript received July 26, 2017; published online October 17, 2017. Editor: David Wisler. 04 07 2017 26 07 2017 Computational Flow induced vibration Modeling Flow induced...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032602.
Paper No: GTP-17-1189
Published Online: October 17, 2017
... (2D) equations in local body-fitted coordinates, derived from Navier–Stokes equations, makes the approach suitable for arbitrary curved blades and integration with three-dimensional (3D) computational fluid dynamics (CFD) simulations. The model is implemented in the in-house solver MULTI3, which uses...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 031901.
Paper No: GTP-17-1166
Published Online: October 17, 2017
... OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received May 12, 2017; final manuscript received July 25, 2017; published online October 17, 2017. Editor: David Wisler. 12 05 2017 25 07 2017 Computational Fatigue Heat transfer Intelligent control Modeling Thermal...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022503.
Paper No: GTP-16-1501
Published Online: October 10, 2017
... properties of specially selected blades and bladed disks. The technique for the choice of the reduction basis has been developed, which provides the required accuracy while keeping the computation expense acceptable. An approach for effective modeling of anisotropy-mistuned bladed disk without a need...
Journal Articles