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Keywords: wear
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061007.
Paper No: GTP-21-1368
Published Online: March 29, 2022
... to quantify the geometrical impact on the mass loss, plastic deformation, wear pattern, contact forces, and frictional temperature variations in the chamfered labyrinth fins. The results show that the contact-separations and contact force fluctuations are generated in rubbing events, which significantly...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121001.
Paper No: GTP-21-1190
Published Online: October 4, 2021
...Xin Yan; Xinbo Dai The wear behaviors of the rectangular labyrinth seal fin against high-speed rotor were experimentally investigated on the incursion test rig. The material losses, worn geometries, frictional temperature distributions, and contact forces of labyrinth fin in rubbing events were...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051003.
Paper No: GTP-20-1180
Published Online: March 11, 2021
... labyrinth seals (i.e., with straight fins and chamfered fins) in rubbing events. With the existing experimental data, FEA methods for contacting simulations and CFD methods for leakage rate and flow pattern predictions are carefully examined. The wear characteristic and leakage performance between labyrinth...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112806.
Paper No: GTP-18-1203
Published Online: July 9, 2018
... received May 10, 2018; final manuscript received May 10, 2018; published online July 9, 2018. Editor: David Wisler. 10 05 2018 10 05 2018 Engines Friction Internal combustion engines Wear Electroplated soft metal overlays were first applied to copper-based engine bearing...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112501.
Paper No: GTP-18-1130
Published Online: July 5, 2018
.... Experimental Friction Shear Flows Wear In mechanical engineering devices, such as turbines or compressors, whose working principle is based on the transfer of energy between a high-speed rotor and a fluid, the rotor is supported on bearings and annular seals. Bearings and seals have different...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102603.
Paper No: GTP-17-1513
Published Online: June 25, 2018
... Fouling Friction Multiphase flows Nonintrusive diagnostics Sprays Two-phase Visualization Wear The change in energy production from fossil fuels to renewable sources results in a fluctuation of the produced electric energy. To ensure grid stability, a higher flexibility of conventional...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072802.
Paper No: GTP-17-1569
Published Online: April 20, 2018
.... Editor: David Wisler. 19 10 2017 08 11 2017 Film Friction Internal combustion engines Measurement techniques Wear Measurements performed with a laser honed cylinder bore sample showed consistent results with the existing theory. While high speed and viscosity increase...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062505.
Paper No: GTP-17-1539
Published Online: April 5, 2018
...: David Wisler. 04 10 2017 04 11 2017 Friction Structural dynamics Vibration Wear One of the challenges of turbine designers is to design correctly the interfaces with friction between different turbine parts [ 1 – 7 ]. These interfaces should provide enough damping...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 052505.
Paper No: GTP-17-1273
Published Online: January 3, 2018
.... 04 07 2017 31 08 2017 Friction Structural dynamics Vibration Wear The architecture of current aircraft turbojet engines consists mainly of multistage structures resulting from the coupling of bladed disks by means of bolted flange joints. Despite the high complexity...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032503.
Paper No: GTP-17-1298
Published Online: October 17, 2017
... Convective heat transfer Energy conversion Friction Heat transfer Modeling Power systems Structural dynamics Wear Turbocharging is a common method to make an automotive engine of a given size produce more power. Past research mainly focused on turbochargers (TCs) thermal performance...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022301.
Paper No: GTP-17-1253
Published Online: October 3, 2017
... Committee of ASME for publication in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 3, 2017; final manuscript received July 5, 2017; published online October 3, 2017. Editor: David Wisler. Aerodynamics Friction Heat transfer Turbines Wear...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012507.
Paper No: GTP-17-1286
Published Online: September 19, 2017
... URBINES AND P OWER . Manuscript received July 5, 2017; final manuscript received July 5, 2017; published online September 19, 2017. Editor: David Wisler. 05 07 2017 05 07 2017 Aerospace applications Friction Gas turbine technology Wear Foil bearings (FB) using air or gas...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 122501.
Paper No: GTP-16-1259
Published Online: August 16, 2017
... in the literature. Experimental Friction Wear Gas bearings are fluid film bearings that utilize a gas as the working fluid, typically the same gas as the process of a turbomachine (compressor, turboexpander, etc.). Gas bearings for turbomachinery have notable advantages over traditional oil film...
Journal Articles
Article Type: Errata
J. Eng. Gas Turbines Power. August 2017, 139(8): 087001.
Paper No: GTP-17-1031
Published Online: April 4, 2017
...Donghyun Lee; Daejong Kim 26 01 2017 27 01 2017 Friction Fuel cell applications Gas turbine technology Wear Equation (7) in the paper should have been (7) V θ − D = 1 − D ( Q θ + ∂ M r θ ∂ r ) = ∂ r ∂ θ...
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
... to rapidly dropping rotor–housing natural frequencies. The impact of introducing effective swirl brakes for the stages' wear ring seals was investigated for a pump running at 3600 rpm. Their predicted impact on stability and synchronous response was: (1) Onset speeds of instabilities (OSIs) were elevated...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062801.
Paper No: GTP-16-1220
Published Online: January 24, 2017
... , “ Automobile Engine Tribology—Approaching the Surface ,” Wear , 241 ( 2 ), pp. 193 – 203 . 10.1016/S0043-1648(00)00375-6 [3] Furuhama , S. , 1959 , “ A Dynamic Theory of Piston-Ring Lubrication: 1st Report, Calculation ,” Bull. JSME , 2 ( 7 ), pp. 423 – 428 . 10.1299/jsme1958.2.423 [4...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031202.
Paper No: GTP-16-1337
Published Online: October 11, 2016
... October 11, 2016. Editor: David Wisler. 14 07 2016 14 07 2016 Computational mechanics Finite element methods Friction Structural dynamics Vibration Wear Increasingly tight operating clearances between rotating and static components of aircraft engines advantageously...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 032502.
Paper No: GTP-16-1320
Published Online: October 4, 2016
... to a contact of the bristles and the rotor surface. Besides abrasive wear occurrence, the friction between the bristles and the rotor leads to heat generation which can be detrimental to turbine operation due to thermal effects, leading to rotor bending connected to increasing shaft vibrations. In order...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022508.
Paper No: GTP-16-1263
Published Online: September 20, 2016
.... 102503. 10.1115/1.4002810 Computational mechanics Flow induced vibration Friction Periodic Structural dynamics Flow induced noise Wear Gas turbine engines and their major components are usually assembled structures, and in many cases, they are subjected to essentially nonlinear...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022505.
Paper No: GTP-16-1240
Published Online: September 13, 2016
..., the motion at the frictional interfaces can lead to a highly nonlinear dynamic response and cause fretting wear at the contact. The latter will change the contact conditions of the interface and consequently impact the nonlinear dynamic response of the entire assembly. Accurate prediction of the nonlinear...