... chemical rockets, ramjets, scramjets, afterburners, and a variety of gas turbine engine components through which gases are expanded. confined flow equations of state heat transfer iterative methods Mach number nozzles specific heat stagnation flow subsonic flow supersonic flow 2012...

... fuels infrared detectors iterative methods measurement by laser beam Mie scattering optimisation sprays transportation 2012 American Society of Mechanical Engineers ...

... of the excitation frequency in the frequency domain. blades failure (mechanical) fatigue frequency-domain analysis Galerkin method iterative methods mechanical contact reduced order systems steam turbines thermal stresses time-domain analysis vibrations 2010 American Society of Mechanical...

... noise covariance matrix, R defining augmented state process noise covariance matrix, Q x h defining fleet average health parameter covariance, P h aerospace engines circuit tuning iterative methods Kalman filters mean square error methods search...

... advantage of this hybrid approach is that it preserves the accuracy of the iterative method while maintaining the simplicity of the intercomponent volume method. The iterative approach is applied at each engine subsystem to solve algebraic thermodynamic equations for exit enthalpy, entropy, and temperature...

... examples from real-world test-cell data. 02 05 2007 06 01 2008 26 08 2008 condition monitoring fuzzy logic gas turbines iterative methods testing Criteria for describing the size of the performance changes Description Criteria Very large At least one...

... blades damping engines fasteners friction iterative methods mechanical contact surface roughness turbines vibrations To prevent low pressure (LP) steam turbine blades from high cyclic fatigue (HCF) failures, caused either by harmonic or by nonengine excitation such as flutter or extreme...

... the thermal effects on the rotordynamic performance. Rotor thermal growth and increased viscosity increased direct stiffness and damping coefficients compared to the isothermal case. 11 06 2007 29 10 2007 02 04 2008 bending convection iterative methods machine bearings perturbation...

... briefly how blade row pressure losses are typically taken into account in SLC calculations. streamline curvature compressor performance simulation loss model wake momentum thickness adaptation iterative methods blades statistical analysis curve fitting compressors 2008...

... dynamics tools, this simulation strategy allows in-house empiricism and expertise to be incorporated in the flow-field calculations in the form of deviation and loss models. 01 10 2005 01 02 2006 compressors gas turbines engines iterative methods mechanical engineering computing...

... with measurements of the turbulence intensity. The time-averaged data is compared with pneumatic probe measurements. At the rotor exit, the time-resolved periodic velocity fluctuations are analyzed using a phase-locked average technique. 01 10 2005 01 02 2006 gas turbines anemometry iterative...

... 3D solid mechanical model that can ultimately be incorporated into CFD models of flow and heat transfer through brush seals. The iterative method considered here, which is based on linear beam-bending theory, allows relatively large numbers of bristles to be considered with arbitrary imposed...

... 1993 09 02 2005 space power generation gas turbines transient response heat exchangers energy conservation solar power iterative methods solar absorber-convertors thermodynamics Models for the steady-flow performance of various configurations of gas-turbine engines have been...

... power engineering computing iterative methods convergence of numerical methods Performance simulation is one of the most important research activities not only to minimize risk and cost in the development phase but also to monitor engine health in the operation phase. Performance...

.... 01 April 2002 01 February 2003 02 03 2004 diesel-electric power stations steam turbines combined cycle power stations boilers nonlinear differential equations fuel combustion iterative methods Diesel engines provide the advantages of high thermal efficiency...

...-varying system dynamics arising, for example, due to speed-dependent bearing coefficients or gyroscopic effects. Numerical solution of the matrix inequalities is tackled using an iterative method that involves standard convex optimization routines. The method is applied in a case study that considers...