... conditions representing the dynamic and complex fluid flow inside engines. To meet this requirement, the present study focuses on transient thermomechanical stress analysis using a sequentially coupled computational fluid dynamics (CFD)–finite element analysis (FEA) approach to understand transient...

... as a function of the bending amplitude can be described according to Fig. 16 as well as a very good prediction of the expected cycles is obtained according to Fig. 17 . 01 07 2022 05 09 2022 20 10 2022 component test end stage blades multiaxial fatigue finite element analysis...

...P. A. Roy; S. A. Meguid In this paper, we examine the energy absorption and containment capabilities of a newly proposed dual-ring design accounting for interactions between a released blade and fully bladed fan disk using three-dimensional finite element analysis. The components of this dual-ring...

... rotor with satisfactory precision in engineering. 01 11 2011 18 11 2011 10 04 2012 12 04 2012 low cycle fatigue continuum damage mechanics steam turbine finite element analysis stress corrosion With the electricity demand increasing dramatically in China, many...

... stiffnesses and added mass coefficients; the latter was previously ignored or largely under predicted. 21 06 2011 22 06 2011 01 03 2012 01 03 2012 compressors finite element analysis hydrodynamics lubricating oils machine bearings rotors Oil seals are used...

... current based damping device for a last stage steam turbine blading presented in GT2009-59593 is conducted. A transient electromagnetic finite element analysis of the eddy current damper is performed, and the resulting damping forces are compared to their analytical solution. Parameter studies are carried...

... on the heat transfer coefficient. 31 05 2011 27 06 2011 30 01 2012 30 01 2012 combustion engines finite element analysis heat transfer thermo-optical effects Over the last ten years, there have been significant technological advances toward the reduction of NO x...

... computational fluid dynamics erosion finite element analysis turbomachinery Erosion affects axial and centrifugal fans in power plant boiler induced-draft systems. Particle laden flows characterize the operating environment as a consequence of the transport of solid or molten particles. This results...

... on the static side of the cavity using thermocouples. The peak temperatures measured during operation at maximum continuous power are compared to the finite element analysis temperature prediction in Fig. 6 . The highest temperatures measured in the exhaust cavity during the test were on the outer surface...

.... , Kikuchi , K. , and Gyobu , I. , 1979 , “Analysis of Coupled Vibration Response in a Rotating Flexible Shaft-Impeller System,” ASME Paper No. 82-GT-240. 13 Palladino , J. A. , and Rossettos , J. N. , 1982 , “Finite Element Analysis of the Dynamics of Flexible Disk Rotor Systems...

... to 0.0006 rad (0.03438 deg). Experimental test data verify the computational model predictions. 12 04 2011 19 04 2011 02 12 2011 02 12 2011 compressed air systems finite element analysis hydrodynamics impellers rolling bearings rotors turbomachinery...

... and structural design, but the maximum stress predicted by finite element analysis greatly exceeds the yield limit of material. Further, the wheel weight is above 7.2 kg, thus, bringing some critical difficulties for bearing design and turbine operation. Therefore, an integrated optimization design method...

... investigates the influence of single crystal orientation on the elastic stresses of a CMSX-4 turbine blade root attachment using finite element analysis. The results demonstrate an appreciable variation in elastic stress when analyzed over the controlled Primary angle, and are further compounded...

.... , 1990 , “ Simulation of Bird Strikes on Turbine Engines ,” ASME J. Eng. Gas Turbines Power , 112 , pp. 573 − 578 . 10.1115/1.2906207 4 Martin , N. F. , Jr. , 1990 , “ Nonlinear Finite-Element Analysis to Predict Fan Blade Damage Soft Body Impact ,” J. Propul. 86 , pp. 445 − 450...

... the stability measurements carried out on two compressors (390 bars and 655 bars discharge pressure) and compares the results. 09 04 2010 13 04 2010 10 03 2011 10 03 2011 compressors finite element analysis mechanical stability pistons rotors seals (stoppers) shock absorbers...

... and observed values of system damping agreed to within 10%. The results of these comparisons are taken to indicate that it is possible to use laboratory-determined material properties together with an iterative finite element analysis to obtain satisfactory predictions of the response of an actual blade...

... 2009 24 09 2010 24 09 2010 acoustic waves combustion eigenvalues and eigenfunctions finite element analysis gas turbines geometry The thermo-acoustic combustion instability is a phenomenon that stems from the interaction of pressure waves with fluctuations of heat release...

... design engineering finite element analysis genetic algorithms machine bearings particle swarm optimisation rotors 02 04 2010 26 04 2010 25 08 2010 25 08 2010 The pad clearance ratios c p / D and the preloads proved to have the highest effect (inverse...

... responses of a full model finite element analysis to those of a reduced-order model using the new reduction method. To validate the method, we are going to approximate the 76 first modes of the detuned bladed disk and compute the forced response under two engine order excitation numbers. Note that the 76...

... fundamental characteristics of vacuum bubble hydrodynamics, and it is also instructive for further applications of the MPS method to complicated bubble dynamics. 12 08 2009 14 08 2009 09 07 2010 09 07 2010 bubbles finite difference methods finite element analysis finite volume...