... incorporating intercooling and pulsed detonation combustion and operating at pressures and temperatures of interest in gas turbine technology for aero-engine civil applications. Aeronautical propulsion Combustion Gas turbine technology Unsteady flows Aerospace Propulsion systems In Europe's...

...: Jerzy T. Sawicki. 22 06 2018 28 06 2018 Acoustic emission Burners Combustion Combustors Computational fluid dynamics Engines Experimental Finite element Flow induced vibration Fuels Modeling Periodic Thermoacoustics Unsteady Unsteady flows Vibration Wave propagation...

... frequencies Manuscript received June 22, 2018; final manuscript received June 22, 2018; published online September 7, 2018. Editor: Jerzy T. Sawicki. 22 06 2018 22 06 2018 Aerothermodynamics Computational fluid dynamics Turbines Unsteady flows The uprising use...

.... 25 02 2018 10 05 2018 Burners Combustion Combustors Computational fluid dynamics Flame Fuel combustion Gas turbine technology Heat transfer Modeling Turbulence Turbulent Unsteady flows Flame–wall interaction is a physicochemical process in which flames and wall...

... 2018 18 02 2018 Aerodynamics Unsteady flows The appearance of rotating stall in compressors is a sign of instability and performance deterioration. Many studies were introduced to clarify the ambiguity of rotating stall and to provide efficient ways to overcome it [ 1 – 4...

... installed in engines are typically subject to unsteady flows, which are characterized by periodic variations in Mach number and temperature caused by the wakes shed from upstream blades. The present work examines the impact of this periodic unsteadiness on stagnation temperature measurements by translating...

... 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 in their own typical ways, when subjected...

... Unsteady flows During the commissioning and stand-still cycles of wind turbines, the rotor is often stopped or even locked leaving the rotor blades at a standstill. Rotors can also be set to idle outside of the normal wind operation bounds or during grid failure. Furthermore, before blades...

... Thermoacoustics Unsteady flows Wave propagation Flow induced noise Increased aircraft operations combined with urban densification around airports lead to the definition of more and more severe environmental regulations [ 1 ]. As the dominant noise sources for an aircraft engine, jet and fan noise...

... Gas turbine technology Thermoacoustics Turbulence Unsteady flows The multiscale nature of combustion dynamics and their coupling mechanisms makes the experimental investigation of the phenomena challenging. High thermal power density flames present in gas turbine combustors are naturally...

... ,” Int. J. Fluid Mach. Syst. , 8 ( 3 ), pp. 155 – 168 . 10.5293/IJFMS.2015.8.3.155 [51] Li , Z. , Bi , H. , Wang , Z. , and Yao , Z. , 2016 , “ Three-Dimensional Simulation of Unsteady Flows in a Pump-Turbine During Start-Up Transient Up to Speed No-Load Condition in Generating...

... vortex and pressure waves. After that, POD study of the wake behavior was carried out. The results indicate that the shedding vortex is dominant in the unsteady flow. The phase relation between the pressure side wake vortex (PSVP) and the suction side wake vortex (SSVP) is confirmed. 1 Corresponding...

... Nonintrusive diagnostics Thermoacoustics Unsteady Unsteady flows Increasingly stringent pollutant emission regulations lead aircraft engine manufacturers to move away from traditional diffusion flame based combustion systems [ 1 ]. To decrease nitrogen oxides (NO x ) emissions, lean premixed...

... Shear Flows Turbulence Unsteady flows Swirled fuel injection systems are often used in modern combustion chambers. They provide enhanced mixing and fuel atomization and—in case the swirl is large enough to support vortex breakdown—flame anchoring in the central recirculation zone. In many...

... of the linearized model in the frequency domain. The nature of the approximations introduced in the fan representation is such that numerical solutions can be computed inexpensively, while the main feature of the flow in the fan passage, namely the shock system and an approximation of the unsteady flow encountered...

... Unsteady flows Aerospace Propulsion systems Combustion For the fulfilment of pollutant emission limitations required for the next generation of civil aero-engines, lean burn combustion appears as one of the most promising technologies. Differently from current rich quench lean technology...

... Unsteady flows Flow induced noise The most important objectives in the development of low-speed axial fans for cooling applications are high efficiency and low noise emissions. While a wide design space would help the developer to fulfill these targets, the fan geometry is mainly driven...

...; published online November 7, 2017. Editor: David Wisler. 20 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...

... conversion Flame Fuel combustion Fuels Gas turbine technology Gaseous Measurement techniques Sensors Swirling Thermoacoustics Thermodynamics Turbulence Turbulent Unsteady Unsteady flows Visualization Wave propagation Coupled behavior Combustion Avoidance of thermoacoustically...

... received July 13, 2017; final manuscript received July 27, 2017; published online October 25, 2017. Editor: David Wisler. 13 07 2017 27 07 2017 Combined Combustion Combustors Computational fluid dynamics Convection Engines Flame Modeling Swirling Thermoacoustics Unsteady...