... Finite element Flow induced vibration Fuels Modeling Periodic Thermoacoustics Unsteady Unsteady flows Vibration Wave propagation Flow induced noise Combustion Can-annular combustors are common in heavy-duty land based gas turbines. In this design, the air flows from the compressor...

... 26, 2016; final manuscript received January 18, 2018; published online July 30, 2018. Assoc. Editor: David L. S. Hung. 26 11 2016 18 01 2018 Internal combustion engines Unsteady flows Wave propagation Mechanical, hydraulic, and electromagnetic systems all react...

...) w = wave propagation velocity (m/s) β = incident angle (deg) γ = specific heat ratio δ = clearance between the rotor and the stator Δ u = difference of flow velocity (m/s) η = isentropic efficiency θ = angular position (deg) ι = length...

... Underground injection Wave propagation Underground storage 15 03 2018 30 04 2018 Contributed by the IC Engine Division of ASME for publication in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received March 15, 2018; final manuscript received April 30...

... received August 2, 2017; final manuscript received August 29, 2017; published online July 5, 2018. Assoc. Editor: Riccardo Da Soghe. 02 08 2017 29 08 2017 Acoustic emission Energy Flow induced vibration Modeling Thermoacoustics Unsteady flows Wave propagation Flow induced noise...

... parameters (45) FTF ( ω , Δ G , Δ ϕ ) = G ( ω ) exp   ( − i ϕ ( ω ) ) ︸ FTF measured ( ω ) ( 1 + Δ G ) exp   ( − i Δ ϕ ) Thermoacoustics Wave propagation Thermoacoustic instabilities are a major threat for modern gas turbines...

...; published online December 19, 2017. Editor: David Wisler. 04 07 2017 24 08 2017 Combustion Modeling Thermoacoustics Unsteady Wave propagation Engineering combustion systems that are based on lean, premixed technologies—as implemented in modern gas turbine power systems...

... Thermoacoustics Thermodynamics Turbulence Turbulent Unsteady Unsteady flows Visualization Wave propagation Coupled behavior Combustion Avoidance of thermoacoustically driven pressure pulsations at screech level frequencies presents a considerable engineering challenge in the development of modern...

... dynamics Convection Engines Flame Modeling Swirling Thermoacoustics Unsteady flows Wave propagation Coupled behavior Combustion instabilities (CI) are a serious concern in the design process of aeronautical engines. They are still hard to predict and, as a consequence, generally appear...

... Temperature Thermoacoustics Wave propagation The operational range of today's gas turbine combustors is limited by their sensitivity toward the interaction between the flame and the acoustics in the combustion chamber, well known as thermoacoustics. There are two ways the flame could act as source...

... Measurement techniques Wave propagation One of the most intriguing challenges in the turbomachinery field is the 3D experimental reconstruction of the unsteady flows during a machine revolution. Not only would this measurement allow an in-depth understanding of the operating conditions of the machine...

... received February 5, 2016; final manuscript received February 23, 2016; published online July 19, 2016. Editor: David Wisler. 05 02 2016 23 02 2016 Finite element methods Structural dynamics Vibration Wave propagation In helicopter and aircraft engines, the contact between...

.... It is one of the most attractive advantages of wave rotors besides their self-cooling capacity and robust structures [ 1 ]. Aerothermodynamics Gas turbine technology Modeling Thermodynamics Unsteady flows Wave propagation 23 04 2015 26 04 2016 Contributed...

... Fluid control systems Fluids Power systems Unsteady Wave propagation NEMS Many systems and processes employ pressurized liquid media such as water, oil, fuel, and hydraulic fluid. Mechanical pumps pressurize and move such liquid media in fluid power systems. In the aerospace industry...

... of high-order systems in a demonstration of concept manner. A physics-based ROM of the LNSEs is derived by a modal reduction methodology. High-order LNSE systems govern complex aeroacoustic configurations in nonuniform mean flow environments in terms of wave propagation and damping. The corresponding...

... Oct. 1999; final revision received by ASME Headquarters Oct. 2000. Associate Editor: D. Wisler. 08 May 2000 01 Oct 1999 01 Oct 2000 dynamic response vibrational modes localised modes wave propagation finite element analysis mechanical testing The design...