... 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...

... the FCM method to a two-stage tuned system and results for applying the FCM-PRIME method to a two-stage pristine-rogue system are compared with finite element method (FEM) results. Finally, conclusions of the work are given. Current multistage reduced order modeling methodologies still require a large...

... online April 10, 2018. Assoc. Editor: Alexandrina Untaroiu. 07 09 2016 03 10 2017 Engines Finite element methods Structural dynamics Vibration The modeling and simulation analysis of the vibration of an entire aero-engine is one of the important approaches that help...

.... Assoc. Editor: Jeffrey Naber. 05 11 2015 17 11 2017 Finite element methods Internal combustion engines Natural gas technology Nonintrusive diagnostics Reliability Temperature In this paper, the prototype diesel engine is WP10.300E40, which is manufactured...

...; published online January 17, 2018. Editor: David Wisler. 25 08 2017 25 09 2017 Equilibrium Finite element Finite element methods Fluids Modeling Structural dynamics Vibration Electric submersible pumps (ESPs) are widely used in oil production as dynamic pumps...

... 10, 2018. Editor: David Wisler. 27 07 2017 23 08 2017 Experimental Finite element methods Reliability Sensors Structural dynamics Turbines Vibration Turbine blades, which are assembled into groups, have been used for steam turbines for many years. Such a group...

.... It is often the case of bladed-disks design in which the blade geometry is the result of an iterative process aimed at optimizing its mechanic, aerodynamic, and thermodynamic characteristics, while the disk or the blade root remain relatively unchanged. Finite element methods Vibration 11 07...

... , as viscosity can most probably be neglected in the low frequency range. The feeding line and the perforated screen are approximated by a hard wall BC. The LNSE are discretized using the Galerkin/least-squares stabilized finite element method [ 39 ] and solved on an unstructured mesh of 312,613 tetrahedron...

... mechanics Experimental Fatigue Finite element methods Stress analysis Fracture prediction High cycle fatigue at the edge of contact (EOC) is known to be a potential failure mode of recessive fixtures like fir-tree and dovetail roots of turbine blades as shown in Fig. 1 —left. EOC cracks may...

... OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 5, 2017; final manuscript received July 25, 2017; published online October 25, 2017. Editor: David Wisler. 05 07 2017 25 07 2017 Aerodynamics Finite element methods Finned surfaces Flow induced...

...: David Wisler. 19 07 2017 25 07 2017 Computational mechanics Experimental Finite element methods Sensors Shells Air foil journal bearings are frequently used to support shafts in rotating devices, for instance in microgas turbines or in rotor systems for fuel cell...

...: Jerzy T. Sawicki. 19 06 2016 11 07 2017 Convective heat transfer Finite element methods Heat transfer Mixed Convection Temperature Thermocouples Thermodynamics Jet engines are fitted with bearings which ensure efficient transmission of the mechanical power...

... October 10, 2017. Assoc. Editor: Alexandrina Untaroiu. 16 10 2016 07 07 2017 Computational Engines Finite element methods Stress analysis Structural dynamics Vibration Inevitable scatters of blade characteristics, due to the variation of their geometry, material...

...: David Wisler. 06 07 2017 17 07 2017 Aerospace applications Engines Finite element methods Gas turbine technology Modeling Structural dynamics Turbines Vibration The past few decades have seen many researchers and engineers working on developing efficient rotordynamic...

... Condensation Convective heat transfer Fatigue Finite element methods Heat transfer Stress analysis Thermal Turbines Steam turbine accelerated start and operation flexibility together with long-term service life are the most desired and conflicting requirements for the unit operation. Starting...

... FOR G AS T URBINES AND P OWER . Manuscript received July 3, 2017; final manuscript received July 11, 2017; published online September 19, 2017. Editor: David Wisler. 03 07 2017 11 07 2017 Finite element Finite element methods Heat transfer Solar thermal power Thermal Turbines...

... Combustion Instability Modes and Frequencies ,” ASME Paper No. GT2010-23104. 10.1115/GT2010-23104 [24] Campa , G. , and Camporeale , S. , 2012 , “ Eigenmode Analysis of the Thermoacoustic Combustion Instabilities Using a Hybrid Technique Based on the Finite Element Method and the Transfer...

...) [ 10 ] rely on projections of the model states onto a low dimension subspace. The main difference between these two methods lies in the approach to calculate the projections. High fidelity models of steam turbines are obtained using finite element methods whose size is in the order of million nodes...

... that takes twist and taper of the blades into account is developed and documented in this section. Hub is not modeled in detail, and only basic optimisation is considered. The finite element method used for the matlab code development is well documented in Przemieniecki [ 9 ]. Each element has two end...

...; published online February 23, 2017. Editor: David Wisler. 11 07 2016 30 11 2016 Combustion Combustors Finite element methods Gas turbine technology Swirling Thermoacoustics Unsteady flows Lean premixed combustors are employed in modern gas turbines to meet regulatory...