... is presented to illustrate the associated dynamic phenomena and fluid-structure interaction within the internal assembly of the check valve. 08 04 2011 09 04 2011 31 08 2011 31 08 2011 compressors elasticity flow instability fluid oscillations hydrodynamics nozzles springs...

... combustion flames flow instability fluid oscillations functional analysis laminar flow pipe flow Reduction of pollutant emissions to meet environmental regulations has led to novel solutions in combustor design. Advanced systems use new premixed burners in which the flame is more compact...

... 04 2010 19 04 2010 27 10 2010 27 10 2010 flames fluid oscillations gas turbines swirling flow Lean-premixed combustion has been successful in meeting current NO x emission regulations; however, this has been achieved at the expense of increased...

... body, which energizes the diffusion and mixing process. 07 06 2008 15 10 2008 22 05 2009 combustion damping diffusion flames flow instability fluid oscillations mixing pipe flow vortices wakes combustion instability bluff body stabilization diffusion flames...

... coherent structures flow instability flow forcing chemically reactive flow combustion combustion equipment Doppler measurement engines flow instability flow visualisation fluid oscillations fuel systems gas turbines hydrodynamics laser velocimetry matrix decomposition particle velocity...

... the potential amplitude reduction from damping devices. air pollution control combustion ducts flow instability fluid oscillations Fourier transforms frequency-domain analysis gas turbines Green's function methods Mach number thermoacoustics time-domain analysis transfer functions 28...

... 2007 13 06 2008 combustion combustion equipment fluid oscillations nozzles water pollution control Emphasis on reducing the levels of pollutants created by gas turbine combustors has led to the development of lean, premixed combustor designs, especially for industrial...

... 11 2007 28 03 2008 diesel engines fluid oscillations hydrodynamics jets nozzles orifices (mechanical) The Common Rail (CR) diesel injection system, which was cast in production approximately ten years ago ( 1 2 ), has met an extraordinary success...

... anemometers combustion flames flow measurement fluid oscillations fuel systems gas turbines jets shear turbulence velocimeters vortices Although vortex breakdown was first observed in a study of delta wing leading edge aerodynamics (Peckham and Atkinson ( 1 ), the relevance to the highly...

... in the saturation of the flame’s response to large velocity oscillations. Both mechanisms appear to reduce the flame’s area and thus its response at these high levels of driving. 10 11 2006 22 12 2006 flames combustion flow instability swirling flow fluid oscillations heat transfer transfer...

... fluctuations leading to changes in equivalence ratio during an oscillation cycle that, in turn, induced the pressure fluctuations. 09 06 2006 16 10 2006 thermoacoustics gas turbines flames combustion computational fluid dynamics fluid oscillations laser velocimeters velocity...

... without a pressure transducer. 30 09 2004 30 08 2006 combustion equipment monitoring pollution control gas turbines flames turbulence fluid oscillations The U.S. Department of Energy (DOE) National Energy Technology Laboratory (NETL) conducts programs that support...

... analysis fluid oscillations turbines rotors blades elasticity flow separation The designing and maintaining of flutter-free gas turbine engines remains one of the paramount challenges for engine manufacturers. Flutter denotes a self-excited and self-sustained instability phenomenon that might...

... in the near field of the burner, and the technique can presumably be applied to the reactive case as well. swirling flow flow simulation jets fluid oscillations turbulence gas turbines numerical analysis In recent years, there has been increased demand for gas turbines that operate...

... 01 Mar 2003 15 04 2005 laser Doppler anemometry vortices gas turbines combustion fluid oscillations Strong limitations of NO x emissions imposed by legislation forced the gas turbine industry in recent years to adopt premixed lean combustors which lead...

... fluid oscillations Pulsating turbulent flows in pipes and conduits consist of a superimposition of an oscillatory component with a zero mean to a stationary flow, here and after referred to as the current component. They occur in many engineering applications such as high head hydraulic...