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Keywords: Flow induced noise
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011004.
Paper No: GTP-18-1279
Published Online: September 14, 2018
... vibration Vibration Flow induced noise In turbomachinery, randomly distributed factors, as the airflow, cause a random excitation of bladed disks, which have generally a nonlinear mechanical behavior. In the design process of such bladed disks, one uses mainly deterministic methods, linearized...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011011.
Paper No: GTP-18-1308
Published Online: September 14, 2018
... induced noise There are a number of computational studies which show that boundary layer ingesting propulsion systems can significantly reduce the fuel burn of an aircraft [ 1 – 6 ]. The potential benefits of boundary layer ingestion (BLI) (on the order of a 5–10% fuel burn reduction) are quite...
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. January 2019, 141(1): 011009.
Paper No: GTP-18-1293
Published Online: September 14, 2018
..., the prediction of labyrinth seals dynamics needs much more attention. Flow induced vibration Modeling Structural dynamics Vibration Flow induced noise 22 06 2018 25 06 2018 Manuscript received June 22, 2018; final manuscript received June 25, 2018; published online September 14...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112503.
Paper No: GTP-17-1220
Published Online: July 31, 2018
... Structural dynamics Unsteady Flow induced noise Nuclear turbine rotor operating on wet steam is facing intractable flow-induced vibration (FIV) problems, which might be exacerbated due to non-equilibrium condensation process of wet steam. The vibration responses of the rotor blade induced by non...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102503.
Paper No: GTP-17-1346
Published Online: July 9, 2018
.... 11 07 2017 31 08 2017 Experimental Flow induced vibration Fluids Modeling Flow induced noise Many high-speed, rotating machines across a wide range of industrial applications depend on fluid film bearings to provide both static support to the rotor and to introduce...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112602.
Paper No: GTP-17-1427
Published Online: July 5, 2018
... Thermoacoustics Unsteady flows Wave propagation Flow induced noise Increased aircraft operations combined with urban densification around airports lead to the definition of more and more severe environmental regulations [ 1 ]. As the dominant noise sources for an aircraft engine, jet and fan noise...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 092605.
Paper No: GTP-17-1451
Published Online: June 15, 2018
... Aerospace Experimental Flow induced vibration Gas turbine technology Measurement techniques Sensors Thermodynamics Propulsion systems Flow induced noise Nowadays, unstable compressor behavior is not yet fully understood and is still an attractive topic for many researchers since it strongly...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082506.
Paper No: GTP-17-1530
Published Online: May 14, 2018
... . Manuscript received September 26, 2017; final manuscript received October 27, 2017; published online May 14, 2018. Editor: David Wisler. 26 09 2017 27 10 2017 Computational fluid dynamics Flow induced vibration Internal flow Swirling Vibration Flow induced noise Labyrinth...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082501.
Paper No: GTP-17-1106
Published Online: April 12, 2018
... Modeling Structural dynamics Vibration Flow induced noise Bulkflow and computational fluid dynamics (CFD) methods are typically used to obtain the static and dynamic properties of seals. The development of the bulkflow code goes back to the 1980s and is still in development [ 1 – 7...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061505.
Paper No: GTP-17-1050
Published Online: January 30, 2018
.... 08 02 2017 21 07 2017 Aerodynamics Computational fluid dynamics Flow induced vibration Fuel combustion Thermoacoustics Flow induced noise A well-known problem of lean premixed combustion of natural gas in gas turbine combustors is the sensitivity to thermoacoustic...
Journal Articles
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 042503.
Paper No: GTP-17-1388
Published Online: November 7, 2017
... induced vibration Flow induced vibration Flow induced noise Flow induced noise Annular gas seals are widely used in compressors, turbines, and pumps to restrict leakage flow through rotor–stator clearances from high-pressure regions to low-pressure regions [ 1 ]. Annular gas seals can also...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032606.
Paper No: GTP-17-1301
Published Online: October 25, 2017
... vibration Fluid control systems Flow induced noise Industrial and tunnel ventilation fans can work in environments that can entail unsteady and distorted inflow conditions. These installation effects lead the fan to work with an inlet condition that is different from the one supposed in the design...
Journal Articles
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012508.
Paper No: GTP-17-1303
Published Online: September 19, 2017
... manuscript received July 9, 2017; published online September 19, 2017. Editor: David Wisler. 06 07 2017 09 07 2017 Computational mechanics Flow induced vibration Modeling Periodic Turbines Vibration Flow induced noise Gas-turbine engine structures are, as a rule, assembled...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 092605.
Paper No: GTP-16-1483
Published Online: April 19, 2017
... Acoustic emission Computational Flow induced vibration Flow induced noise The understanding and mitigation of noise generation in axial turbomachinery has made considerable advances in the past decades. This was driven to a great extent by the advent of modern jet engines and the ensuing...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 041503.
Paper No: GTP-16-1350
Published Online: October 18, 2016
...; final manuscript received July 21, 2016; published online October 18, 2016. Editor: David Wisler. 19 07 2016 21 07 2016 Combustion Combustors Flow induced vibration Sensors Thermoacoustics Flow induced noise Combustion instabilities in practical systems are very...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 041202.
Paper No: GTP-16-1292
Published Online: October 18, 2016
... Flow induced vibration Gas turbine technology Turbulence Flow induced noise The rising cost of jet fuel along with other environmental concerns has renewed interest in open rotor propulsion systems. These systems, also known as propfans or advanced propellers, were studied in the late 1970s...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022507.
Paper No: GTP-16-1260
Published Online: September 20, 2016
... 07 07 2016 Computational fluid dynamics Flow induced vibration Structural dynamics Turbines Unsteady flows Flow induced noise Steam turbine inlet valves are used to control the mass flow rate in steam turbine installations by throttling the flow. In this throttling process...