Unsteady Aerodynamics, Aeroacoustics & Aeroelasticity of Turbomachines
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ISBN: 9781402042676
Author/Editor: Kenneth C. Hall
Publisher: Springer
Year: 2006
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Description
Over the past 30 years, leading experts in turbomachinery unsteady aerodynamics, aer- coustics, and aeroelasticity from around the world have gathered to present and discuss recent advancements in the ?eld. The ?rst International Symposium on Unsteady Aero- namics, Aeroacoustics, and Aeroelasticity of Turbomachines (ISUAAAT) was held in Paris, France in 1976. Since then, the symposium has been held in Lausanne, Switzerland (1980), Cambridge, England (1984), Aachen, Germany (1987), Beijing, China (1989), Notre Dame, Indiana(1991),Fukuoka,Japan(1994),Stockholm,Sweden(1997),andLyon,France(2000). The Tenth ISUAAAT was held September 7-11, 2003 at Duke University in Durham, North Carolina. This volume contains an archival record of the papers presented at that meeting. The ISUAAAT, held roughly every three years, is the premier meeting of specialists in turbomachinery aeroelasticity and unsteady aerodynamics. The Tenth ISUAAAT, like its predecessors, provided a forum for the presentation of leading-edge work in turbomachinery aeromechanics and aeroacoustics of turbomachinery.
Not surprisingly, with the continued development of both computer algorithms and computer hardware, the meeting featured a number of papers detailing computational methods for predicting unsteady ?ows and the resulting aerodynamics loads. In addition, a number of papers describing interesting and very useful experimental studies were presented. In all, 44 papers from the meeting are published in this volume.
Additional information
| Weight | 2.36 kg |
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Product Properties
| Year of Publication | 2006 |
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| Table of Contents | Foreword. Preface. Part 1: Flutter-Flutter boundaries for pairs of low pressure turbine blades-Influence of a vibration amplitude-A method to assess flutter stability of complex modes-Flutter design of low pressure turbine blades with cyclic symmetric modes-Experimental and numerical investigation of 2D palisade flutter for the harmonic oscillations-Possibility of active cascade flutter control with smart structure in transonic flow condition-Experimental flutter investigations of an annular compressor cascade: influence of reduced frequency on stability.- Part 2: Forced responses-Unsteady gust response in the frequency domain-Axial turbine blade vibrations induced by the stator flow-Mistuning and coupling effects in turbomachinery bladings-Evalution of the principle of aerodynamic superposition in forced response calculations-Comparison of models to predict low engine order excitation in a high pressure turbine stage-Experimental reduction of transonic fan forced response by IGV flow control.- Part 3: Multistage effects-Unsteady aerodynamic work on oscillating annular cascades in counter rotation-Stucture of unsteady vortical wakes behind blades of mutual-moving rows of an axial turbomachine-The effect of mach number on LP turbine wake-blade interaction-Multistage coupling for unsteady flows in turbomachinery- Part 4: Aeroacoustics- Passive noise control by vane lean and sweep-Interaction of acoustic and vortical disturbances with an annular cascade in a swirling flow-Influence of mutual circumferential shift of stators on the noice generated by systems of rows stator-rotor-stator of the axial compressor-A frequency-domain solver for the non-linear propagation and radiation of fan noise- Part 5: Flow instabilities-Analysis of unsteady casing-Core compressor rotating stall simulation with a multi-bladerow model-Parametric study of surface roughness and wake unsteadiness on a flat plate with large pressure gradient-Bypass flow pattern changes at turbo-ram transient operation of combined cycle engine-Experimental investigation of wake-induced transition in a highly loaded linear compressor cascade-Experimental off-design investigation of unsteady secondary flow phenomena in a three-stage axial compressor at 100% nomial speed-Analyses of URANS and LES- Part 6: Computational techniques-Frequency and time domain-Study of shock movement and unsteady pressure on 2D generic model-Numerical unsteady aerodynamics for turbomachinery aeroelasticity-Development of an efficient and robust linearised navier-stokes flow solver-Optimized dual-time stepping technique for time-accurate navier-stokes calculations- Part 7: Experimental unsteady aerodynamics-Experimental and numerical study of nonlinear interactions in two-dimensional transonic nozzle flow-Interaction between shock waves and cascaded blades-Measured and calculated unsteady pressure field in a vaneless diffuser of a centrifugal compressor-DPIV measurements of the flow field between a transonic rotor and an upstream stator-Unsteady pressure management with correction on tubing distortion- Part 8: Aerothermodynamics-Unsteady 3D navier-stokes-Analysis of unsteady aerothermodynamic effects in a turbine-combustor- Part 9: Rotor stator interaction-Stator-rotor aeroelastic interaction for the turbine last stage in 3D transonic flow-Effects of stator clocking in systems of rows-Rotor-stator interaction in a highly loaded, single-stage, unsteady measurments in the rotor relative frame-Two-stage turbine experimental investigations of unsteady stator-to-stator interaction. |
| Author | Kenneth C. Hall |
| ISBN/ISSN | 9781402042676 |
| Binding | Hardback |
| Edition | 1 |
| Publisher | Springer |
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