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Keywords: seals (stoppers)
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Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031023.
Published Online: December 7, 2010
... in the seal region. 07 02 2010 22 02 2010 07 12 2010 07 12 2010 flow simulation gas turbines pressure measurement rotors seals (stoppers) stators velocity measurement In gas turbine stages, the ingestion of mainstream gas into rotor-stator disk cavities...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031006.
Published Online: November 12, 2010
... with the available experimental data, but there are insufficient published data to validate the theory for combined ingress. 23 07 2009 10 08 2009 12 11 2010 12 11 2010 compressible flow gas turbines orifices (mechanical) seals (stoppers) swirling flow In Part I of this two...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041004.
Published Online: April 26, 2010
... turbines rotors seals (stoppers) A class of adaptable seal comprising angled compliant filaments has been developed for turbine applications over the past 30 years. One of the most well-known of this class is the brush seal. A brush seal is a flexible flow restriction created by the arrangement...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021021.
Published Online: January 21, 2010
... and generally more unsteady flow field at the rotor exit near the hub. The injection causes the turbine efficiency to deteriorate by about 0.6%. 20 08 2008 29 08 2008 21 01 2010 21 01 2010 cavitation cooling discs (structures) flow instability gas turbines rotors seals...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041009.
Published Online: July 2, 2009
... it is crucial to study the total temperature increase characteristic in the seal. honeycomb structures Navier-Stokes equations seals (stoppers) 21 08 2008 01 09 2008 02 07 2009 2009 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021005.
Published Online: January 22, 2009
... orifices (mechanical) pressure measurement seals (stoppers) wakes In the state-of-the-art aircraft and electric power generation gas turbine engines, the high-pressure turbine disks are purged with coolant air through the wheel space. This air reduces the thermal load of the disk and prevents...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 826–834.
Published Online: September 3, 2006
... with ever-tightening clearances between rotor and stator. pocket damper seal leakage cavity pressure rotordynamics turbomachinery vibration control high-pressure techniques seals (stoppers) turbomachinery rotors blades 26 08 2006 03 09 2006 The inlet and exit...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 725–737.
Published Online: February 1, 2006
... rotors damping seals (stoppers) blades machine bearings force force measurement design Present day turbomachinery requires the use of annular gas seals to impede flow of the working fluid from high-pressure regions to low-pressure regions. This is a necessity for achieving...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2006, 128(2): 367–378.
Published Online: July 15, 2005
... holes enhances inward radial flow in front plate relief promoting blow-down. Flow entering through holes locally separates into inward and outward directions, resulting in fluctuations in radial velocity as seen in Fig. 16b . 14 01 2005 15 07 2005 seals (stoppers) fibres plates...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2006, 128(2): 379–389.
Published Online: July 15, 2005
.... , 2006 , “ Effects of Geometry on Brush Seal Pressure and Flow Fields: I. Front Plate Configurations ,” ASME J. Turbomach. 0889-504X , 128 , pp. 367 – 378 . seals (stoppers) plates (structures) computational fluid dynamics design engineering geometry turbomachinery The brush...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2006, 128(1): 188–195.
Published Online: February 1, 2005
... sustaining appreciable permanent damage. Brush seals are a relatively new type of aerodynamic seal for turbomachinery applications. They have found increasing industrial use in gas turbine aero and power generation engines over the last decade. turbomachinery seals (stoppers) fibres...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 717–724.
Published Online: March 1, 2004
... to a decision that the reverse flow shunt hole labyrinth would not be replaced with the diverging taper honeycomb-stator seal, since performance and vibration characteristics were acceptable without it. 01 10 2003 01 03 2004 honeycomb structures seals (stoppers) compressors damping...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 387–393.
Published Online: April 23, 2003
... October 15, 2001. Paper No. 2002-GT-30244. Review Chair: E. Benvenuti. 03 June 2002 15 October 2001 23 04 2003 seals (stoppers) abrasion gas turbines channel flow flow visualisation The objective of the present study is to analyze and quantify the influence of rub...
Journal Articles
Article Type: Technical Briefs
J. Turbomach. July 2006, 128(3): 589–595.
Published Online: March 1, 2003
... 12 2002 01 03 2003 transonic flow blades heat transfer design engineering seals (stoppers) Navier-Stokes equations gas turbines For future gas turbine engines, it is desirable both to increase performance and to reduce operating costs. Although turbine performance increases...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 306–315.
Published Online: April 9, 2002
... seals (stoppers) In modern gas turbine engines ingestion of hot mainstream gas into the space between a rotating turbine disc and the stator can potentially lead to overheating and reduced life of the disk, and so must be controlled. To prevent...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 293–300.
Published Online: April 9, 2002
...: R. A. Natole. 04 06 2001 27 02 2001 09 04 2002 gas turbines seals (stoppers) brushes failure analysis fatigue creep wear steam turbines The GE Corporate Research and Development Center (CRD) has been involved extensively for several years...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 301–305.
Published Online: April 9, 2002
...-GT-410. Review Chair: R. A. Natole. 04 06 2001 24 01 2001 09 04 2002 gas turbines seals (stoppers) compressors steam turbines leak detection Watson Cogeneration Company (WCC) Plant is located in Los Angeles Refinery, Carson, California. The Plant...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2001, 123(4): 815–822.
Published Online: February 1, 2001
... 2001 01 February 2001 engines aerodynamics jets seals (stoppers) heat transfer pressure control leak detection finite element analysis temperature measurement gas turbines Labyrinth seals represent an important flow element in the secondary air system of aero engines...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2001, 123(2): 342–352.
Published Online: February 1, 2000
... February 2000 gas turbines seals (stoppers) flow measurement aerodynamics fluids Labyrinth seals placed on shrouded blades are a standard method of reducing the efficiency penalties, as compared to free ended blades. The loss of stage efficiency resulting from the use of labyrinth seals...