... not capture these coherent oscillations in their models. Manuscript received June 22, 2018; final manuscript received June 25, 2018; published online August 31, 2018. Editor: Jerzy T. Sawicki. 22 06 2018 25 06 2018 Combustion Experimental Measurement techniques Shear Flows...

...). 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...

... and control the vibration during operation. Computational fluid dynamics Equilibrium Film Finite element methods Gas turbine technology Modeling Shear Flows Turbines Turbulence 12 11 2017 05 12 2017 Contributed by the Structures and Dynamics Committee of ASME...

... this advance is an epicyclic reduction gearbox (Fig. 1 ). Computational fluid dynamics Fluids Modeling Multiphase flows Shear Flows Swirling Two-phase Copyright © 2018 by ASME 2018 0742-4795/2018/140(6)/062501/9/ $25.00 ...

... properties of a combustion system. Nevertheless, the PVC can lead to an increase of turbulence and therefore may improve mixing [ 3 ]. For these and other reasons, the PVC has increasingly been in the focus of research during the last years. Finite element Jets Shear Flows Turbulence Unsteady...

... 07 2017 08 08 2017 Combustion Combustors Experimental Flame Jets Measurement techniques Nonintrusive diagnostics Shear Flows Turbulent Unsteady flows Visualization High momentum jet stabilized combustion systems provide an interesting alternative for gas turbines...

.... 03 07 2017 24 07 2017 Combustion Experimental Flame Gas turbine technology Jets Shear Flows Unsteady flows Hydrogen-rich fuels can play a major role in achieving de-carbonization targets in power generation systems with minimal Co 2 emissions and minimal environmental...

..., 2017. Assoc. Editor: Klaus Brun. 30 05 2017 10 07 2017 Aeronautical propulsion Aerospace applications Design optimization Droplet Experimental Film Fluids Gas turbine technology Multiphase flows Separated Shear Flows Turbulent Two-phase Unsteady Aerospace Propulsion...

...; published online March 15, 2017. Editor: David Wisler. 14 06 2015 20 12 2016 Aeronautical propulsion Aerospace applications Combustors Computational Computational fluid dynamics Experimental Gas turbine technology Shear Flows Swirling Turbulence Turbulent Unsteady Unsteady...

... to both cool components and seal cavities against hot gas ingestion. Efficient use of the secondary air is necessary as excessive use causes a parasitic loss in engine efficiency. Fluids Gas turbine technology Internal flow Jets Mass Transfer Shear Flows Turbines 06 07 2016 22...

... of NO x [ 7 ]. Especially, the latter is an important restriction in the design of modern gas turbines due to increasingly strict regulations. Gas turbine technology Jets Shear Flows Swirling Temperature Turbulent Visualization 23 06 2016 02 07 2016 Contributed...

... Shear Flows Thermoacoustics Unsteady flows Wave propagation Lean premixed combustion systems—as implemented in modern gas turbines—are susceptible to constructive, self-sustaining feedback couplings between the combustor's acoustic oscillations and the flame's heat-release rate fluctuations...

... received August 12, 2015; published online September 29, 2015. Editor: David Wisler. 14 07 2015 12 08 2015 Experimental Flame Gaseous Shear Flows Swirling A f = flame surface area ISL = inner shear layer n i = flame normal component in i...

... jets and bluff body stabilized flames is discussed. Combustion Combustors Flame Shear Flows Unsteady flows Combustion instability represents a crippling problem that limits the operation envelope of lean premixed gas turbine systems for power generation and propulsion. This phenomenon...