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Keywords: Unsteady flows
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011016.
Paper No: GTP-18-1341
Published Online: September 17, 2018
... incorporating intercooling and pulsed detonation combustion and operating at pressures and temperatures of interest in gas turbine technology for aero-engine civil applications. Aeronautical propulsion Combustion Gas turbine technology Unsteady flows Aerospace Propulsion systems In Europe's...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011007.
Paper No: GTP-18-1287
Published Online: September 14, 2018
... Combustion Combustors Computational fluid dynamics Engines Experimental 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...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011002.
Paper No: GTP-18-1311
Published Online: September 7, 2018
..., 2018. Editor: Jerzy T. Sawicki. 22 06 2018 22 06 2018 Aerothermodynamics Computational fluid dynamics Turbines Unsteady flows The uprising use of unmanned aerial vehicles and the breakthrough of the distributed thrust are promoting the design of ultracompact...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121506.
Paper No: GTP-18-1091
Published Online: August 20, 2018
... received May 10, 2018; published online August 20, 2018. Assoc. Editor: Sunil Patil. 25 02 2018 10 05 2018 Burners Combustion Combustors Computational fluid dynamics Flame Fuel combustion Gas turbine technology Heat transfer Modeling Turbulence Turbulent Unsteady flows...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. December 2018, 140(12): 124501.
Paper No: GTP-18-1074
Published Online: August 9, 2018
.... 18 02 2018 18 02 2018 Aerodynamics Unsteady flows The appearance of rotating stall in compressors is a sign of instability and performance deterioration. Many studies were introduced to clarify the ambiguity of rotating stall and to provide efficient ways to overcome it [ 1...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122602.
Paper No: GTP-18-1041
Published Online: August 6, 2018
... installed in engines are typically subject to unsteady flows, which are characterized by periodic variations in Mach number and temperature caused by the wakes shed from upstream blades. The present work examines the impact of this periodic unsteadiness on stagnation temperature measurements by translating...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112603.
Paper No: GTP-17-1616
Published Online: July 30, 2018
... AND P OWER . Manuscript received November 14, 2017; final manuscript received March 1, 2018; published online July 30, 2018. Editor: David Wisler. 14 11 2017 01 03 2018 Aerodynamics Structural dynamics Unsteady flows During the commissioning and stand-still cycles of wind...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112808.
Paper No: GTP-16-1549
Published Online: July 30, 2018
... for the Measurement of Unsteady Flow-Rates in High-Pressure Pipelines and Application of a Newly Designed Flowmeter to Volumetric Pump Analysis ,” ASME J. Eng. Gas Turbines Power , 138 ( 3 ), p. 031604 . 10.1115/1.4031541 [29] Ferrari , A. , Paolicelli , F. , and Pizzo , P. , 2014 , “Common...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112602.
Paper No: GTP-17-1427
Published Online: July 5, 2018
... received August 2, 2017; final manuscript received August 29, 2017; published online July 5, 2018. Assoc. Editor: Riccardo Da Soghe. 02 08 2017 29 08 2017 Acoustic emission Energy Flow induced vibration Modeling Thermoacoustics Unsteady flows Wave propagation Flow induced noise...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112601.
Paper No: GTP-17-1369
Published Online: June 27, 2018
... VL1 is near the guide vane trailing edge, where the SAS model shows difficulty in capturing the unsteady flow in the vortex shedding region. On the contrary, LES shows significant improvement, and the validation error is 1.6%. The maximum validation error is obtained in the runner at R2, where the SAS...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 092601.
Paper No: GTP-17-1150
Published Online: May 24, 2018
... vortex and pressure waves. After that, POD study of the wake behavior was carried out. The results indicate that the shedding vortex is dominant in the unsteady flow. The phase relation between the pressure side wake vortex (PSVP) and the suction side wake vortex (SSVP) is confirmed. 1 Corresponding...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 081505.
Paper No: GTP-17-1611
Published Online: May 2, 2018
..., 2018. Editor: David Wisler. 09 11 2017 12 12 2017 Burners Combustion Combustors Experimental Flame Nonintrusive diagnostics Thermoacoustics Unsteady Unsteady flows Increasingly stringent pollutant emission regulations lead aircraft engine manufacturers to move away...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051506.
Paper No: GTP-17-1409
Published Online: January 10, 2018
... Shear Flows Turbulence Unsteady flows As demonstrated above, the LES captures the mean flow and the PVC dynamics sufficiently accurate. For this reason, the LSA is based on the LES mean fields and the stability eigenmodes are validated with the DMD modes extracted from the LES...
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
... of the linearized model in the frequency domain. The nature of the approximations introduced in the fan representation is such that numerical solutions can be computed inexpensively, while the main feature of the flow in the fan passage, namely the shock system and an approximation of the unsteady flow encountered...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051501.
Paper No: GTP-17-1396
Published Online: November 21, 2017
... is determined, a flow-through time ( τ ft ) of 6.1 × 10 −2 s has been considered. Thus, after two flow-through times required to flush out the initialization and to allow the unsteady flow field to evolve, statistics were collected on three flow times in order to achieve a statistically representative...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 052601.
Paper No: GTP-17-1262
Published Online: November 14, 2017
.... 03 07 2017 08 08 2017 Acoustic emission Aerodynamics Flow induced vibration Turbulence Unsteady flows Flow induced noise The most important objectives in the development of low-speed axial fans for cooling applications are high efficiency and low noise emissions. While...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 041507.
Paper No: GTP-17-1257
Published Online: November 7, 2017
... techniques Sensors Swirling Thermoacoustics Thermodynamics Turbulence Turbulent Unsteady Unsteady flows Visualization Wave propagation Coupled behavior Combustion Avoidance of thermoacoustically driven pressure pulsations at screech level frequencies presents a considerable engineering...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 031506.
Paper No: GTP-17-1354
Published Online: October 25, 2017
... Modeling Swirling Thermoacoustics Unsteady flows Wave propagation Coupled behavior Combustion instabilities (CI) are a serious concern in the design process of aeronautical engines. They are still hard to predict and, as a consequence, generally appear late in the development of the engine...