1-20 of 55
Keywords: seals (stoppers)
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 052507.
Published Online: March 1, 2012
... chaos friction hydrodynamics impact (mechanical) rings (structures) rotors seals (stoppers) stators vibrations The floating ring annular seal is derived from the classical dynamic annular seal. These seals are used in high-pressure turbomachinery and in order to avoid unwanted contact...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 042503.
Published Online: January 27, 2012
... more influence on effective damping levels and crossover frequencies when compared to rotor speed. 12 04 2011 30 06 2011 27 01 2012 27 01 2012 compressors mechanical testing rotors seals (stoppers) shock absorbers The balance piston seal or center seal...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022503.
Published Online: December 14, 2011
... 14 12 2011 bubbles elasticity flow instability hydrocarbon reservoirs laminar flow pumps rotors seals (stoppers) two-phase flow vibration control viscosity Annular (damper) seals restrict secondary leakage between stages in centrifugal pumps and compressors. The working...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2012, 134(1): 012505.
Published Online: November 7, 2011
... experimental results are given, which have fully confirmed the analytical formulas. 17 04 2011 01 05 2011 07 11 2011 07 11 2011 friction mechanical contact polynomials rotors seals (stoppers) Rubbing often occurs in rotating machines, due to tight seal clearance, changes...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2011, 133(11): 114503.
Published Online: May 18, 2011
... along the flow direction. 07 10 2010 06 03 2011 18 05 2011 18 05 2011 flow simulation flowmeters Navier-Stokes equations numerical analysis pressure measurement rotational flow seals (stoppers) turbines turbulence staggered labyrinth seal leakage flow...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 072502.
Published Online: March 10, 2011
... the stability measurements carried out on two compressors (390 bars and 655 bars discharge pressure) and compares the results. 09 04 2010 13 04 2010 10 03 2011 10 03 2011 compressors finite element analysis mechanical stability pistons rotors seals (stoppers) shock absorbers...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 022504.
Published Online: October 29, 2010
... investigation. The flow solver also provided detailed physical insight into the cavity flow instability mechanism. 26 04 2010 29 04 2010 29 10 2010 29 10 2010 aeroacoustics channel flow external flows flow instability flow simulation Navier-Stokes equations seals (stoppers...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122506.
Published Online: August 30, 2010
..., are not monotonic functions if the pressure ratio is kept constant. 08 10 2009 11 01 2010 30 08 2010 30 08 2010 flow honeycomb structures Mach number Navier-Stokes equations seals (stoppers) surface discharges honeycomb seal leakage flow windage heating total temperature...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 062501.
Published Online: March 16, 2010
... in labyrinth honeycomb seals. 03 03 2009 17 06 2009 16 03 2010 16 03 2010 flow simulation honeycomb structures Navier-Stokes equations seals (stoppers) labyrinth honeycomb seal leakage flow numerical simulation The increasing demand for aggressive power output...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2010, 132(4): 042503.
Published Online: January 26, 2010
... 29 03 2009 26 01 2010 26 01 2010 aerospace engines damping distortion elasticity friction gas turbines hydrodynamics rotors seals (stoppers) shafts wear Parasitic secondary flow (seal leakage) in gas turbines represents a considerable loss in power delivery...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2009, 131(4): 042504.
Published Online: April 13, 2009
... 04 04 2008 13 04 2009 machinery nonlinear systems seals (stoppers) vibration control Squeeze film dampers (SFDs) aid to reduce synchronous vibration amplitude and enhance stability characteristics in rotating machinery. Since first formally tested by Cooper ( 1 ) more than 40...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022504.
Published Online: December 22, 2008
... 50 cycles when operated at maximum operating conditions. 10 01 2008 28 05 2008 22 12 2008 aerospace industry aerospace test facilities eddy current testing fatigue cracks gas turbines jet engines seals (stoppers) NASA’s high temperature high-speed turbine seal...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2009, 131(1): 012505.
Published Online: October 10, 2008
... gas turbines hydrodynamics leak detection loss measurement rotors seals (stoppers) shafts turbomachinery Current and future operational conditions in turbomachinery, i.e., increasing pressure differentials, operating temperatures, and rotational speeds, demand effective interface...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 042505.
Published Online: April 29, 2008
... testing orifices (mechanical) seals (stoppers) vibration control Squeeze film dampers (SFDs) are widely employed to reduce rotor vibration or to suppress instabilities in rotating machinery equipment. Main applications of SFD include aircraft jet engines and process gas compressors...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2008, 130(2): 022505.
Published Online: March 3, 2008
... design engineering impellers machine bearings machinery production industries magnetic bearings mechanical stability rotors seals (stoppers) rotordynamic coefficients rotor stability impeller-shroud forces magnetic-bearing exciter Reinjection compressors, used to inject natural...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012510.
Published Online: January 11, 2008
... pressures. 26 04 2007 07 05 2007 11 01 2008 blades design engineering leak detection pressure measurement seals (stoppers) turbomachinery In response to the constantly increasing demand for higher levels of productivity, turbomachines are being designed to run at higher...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012505.
Published Online: January 9, 2008
... 2008 compressors damping seals (stoppers) stators Injection compressors require comparatively long annular seals with high-pressure drops that have a significant impact on rotordynamics. The balance-piston seal for straight-through compressor absorbs the full head rise of the machine...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012507.
Published Online: January 9, 2008
... to that for the contact seal. Outlined as well are the flow features influencing the bristle dynamics. 15 03 2004 15 07 2007 09 01 2008 computational fluid dynamics fibres porous materials rotors sealing materials seals (stoppers) wear Sealing in turbomachinery is a crucial technology...
Journal Articles
Article Type: Discussions
J. Eng. Gas Turbines Power. October 2007, 129(4): 1143.
Published Online: January 5, 2007
...Dara Childs 03 01 2007 05 01 2007 seals (stoppers) gas turbines elastic constants confined flow The authors’ predictions that choked flow in an annular gas seal is likely to produce negative direct stiffness was recently borne out in tests conducted...
Journal Articles
Article Type: Discussions
J. Eng. Gas Turbines Power. October 2007, 129(4): 1144.
Published Online: January 4, 2007
...Mihai Arghir 03 01 2007 04 01 2007 seals (stoppers) confined flow laminar to turbulent transitions laminar flow turbulence surface roughness The authors are grateful for this experimental validation of the negative direct static stiffness of choked annular seals...