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Keywords: friction
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Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112501.
Paper No: GTP-18-1130
Published Online: July 5, 2018
...). The numerical model was extensively validated for smooth annular seals but is less confident for textured surfaces. The present comparisons between experimental and numerical results enable to estimate the accuracy of the numerical model employed for the textured seals. Experimental Friction Shear Flows...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102603.
Paper No: GTP-17-1513
Published Online: June 25, 2018
... NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received September 14, 2017; final manuscript received October 22, 2017; published online June 25, 2018. Editor: David Wisler. 14 09 2017 22 10 2017 Aerodynamics Droplet Engines Film Fluids Fouling Friction Multiphase flows...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072802.
Paper No: GTP-17-1569
Published Online: April 20, 2018
... to instantaneous lubricant film thickness. Then, the photomultiplier signal is calibrated for lubricant film thickness using a laser textured cylinder bore with known geometries. Additional marks were etched on the liner for calibration. The LIF system is adapted to a piston ring and cylinder bore friction test...
Journal Articles
Publisher: ASME
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 References [1] Griffin , J. H. , 1980 , “ Friction Damping of Resonant Stresses in Gas Turbine Engine Airfoils ,” ASME J. Eng. Power , 102 ( 2 ), pp. 329 – 333 . 10.1115/1.3230256 [2] Srinvasan , A. V. , and Cutts , D. G...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 052505.
Paper No: GTP-17-1273
Published Online: January 3, 2018
...Giuseppe Battiato; Christian M. Firrone; Teresa M. Berruti; Bogdan I. Epureanu Most aircraft turbojet engines consist of multiple stages coupled by means of bolted flange joints which potentially represent source of nonlinearities due to friction phenomena. Methods aimed at predicting the forced...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032503.
Paper No: GTP-17-1298
Published Online: October 17, 2017
..., 2017; published online October 17, 2017. Editor: David Wisler. 05 07 2017 25 07 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...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022301.
Paper No: GTP-17-1253
Published Online: October 3, 2017
...Mario Schinnerl; Jan Ehrhard; Mathias Bogner; Joerg Seume The measured performance maps of turbochargers (TCs), which are commonly used for the matching process with a combustion engine, are influenced by heat transfer and friction phenomena. Internal heat transfer from the hot turbine side...
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 122501.
Paper No: GTP-16-1259
Published Online: August 16, 2017
... 2016 14 07 2017 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...
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062505.
Paper No: GTP-16-1428
Published Online: February 1, 2017
... 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 ] presented lateral rotordynamic predictions for a 20 cm impeller diameter electric submersible pump...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062801.
Paper No: GTP-16-1220
Published Online: January 24, 2017
... in an internal combustion (IC) engine can be divided into thermal and parasitic as well as due to gas leakage because of untoward compression ring motions. Frictional losses are particularly of concern at low engine speeds, assuming a greater share of the overall losses. Piston–cylinder system accounts...
Journal Articles
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022508.
Paper No: GTP-16-1263
Published Online: September 20, 2016
...E. P. Petrov An efficient method is proposed for the multiharmonic frequency-domain analysis of the stability for nonlinear periodic forced vibrations in gas turbine engine structures and turbomachines with friction, gaps, and other types of nonlinear contact interfaces. The method allows using...
Journal Articles
Publisher: ASME
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...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 011504.
Paper No: GTP-15-1469
Published Online: August 30, 2016
... and RI mode increases slightly in comparison to that of CC mode, and these three boundary lubrication durations are almost same. However, the thickness of lubricant film between friction pair of three modes is quite different, resulting in their different tribological properties. Among these parameters...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012504.
Paper No: GTP-16-1229
Published Online: August 16, 2016
... selected (i.e., pre-optimized) in such a way that those parameter combinations leading to undesirable damper behavior are ruled out a priori: —ensure that damper jamming is avoided by ruling out the undesirable combinations of platform and friction angles; —ensure that damper lift-off is avoided through...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2016, 138(10): 102502.
Paper No: GTP-16-1033
Published Online: April 12, 2016
... of bifurcations in realistic gas-turbine structures with friction contacts and with cubic nonlinearity has been shown. (1) the detection of the bifurcation points during the solution tracing (2) the localization of the bifurcation points, i.e., obtaining accurate values of parameters when the bifurcation...
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