... for Q , respectively. e-mails:  zhangboran@zju.edu.cn ; bz274@cam.ac.uk e-mail:  wanwuyi@zju.edu.cn e-mail:  bili@zju.edu.cn 11 04 2020 26 08 2020 07 10 2020 transient flow numerical simulation hydroturbine pipe flow interaction point tracking method...

... analysis pipe flow pipes turbulence two-phase flow vibrations For comparison purposes, data for fluidelastic instability in heat-exchanger tube arrays are typically scaled (reduced) according to two dimensionless parameters that are considered to be the most important, mass-damping parameter...

... ), as attested by validation of the predictive techniques achieved through laboratory experiments ( 8 9 10 11 ). design of experiments impact (mechanical) inverse problems numerical analysis pipe flow pipes telemetry turbulence vibrations 16 04 2010 31 08 2010 11 07 2011...

... was assumed in the elbow and the vertical extension segment of the pipeline. The general pattern for the shape of the assumed velocity profile is given in Fig. 3 for steady, uniform, turbulent pipe flow in curved pipes, as investigated first by Prandtl ( 10 11...

... gauge integrity is shown in the large RMS amplitudes at reduced velocities below 50. The uncertainty here is recognized in the range of reduced velocities taken for the stability threshold, 50–75. flow instability heat exchangers pipe flow pipes turbulence vibrations vortices wear...

... 06 08 2010 06 08 2010 boilers damping elasticity flow instability heat exchangers hydraulic systems pipe flow wind tunnels Nuclear steam generator tubes subjected to cross-flow have worn through and failed due to oscillatory contacts with adjacent tubes or flat bar...

... of the acoustic particle velocity for the onset of acoustic resonance in steam generator and tubular heat exchanger tube banks. 20 10 2009 16 06 2010 30 07 2010 30 07 2010 acoustic resonance boilers heat exchangers pipe flow pipes vortices In previous studies ( 1 2...

... ) phase ϕ L , and ( c ) damping coefficient α 11 ′ 02 11 2009 27 05 2010 29 07 2010 29 07 2010 computational fluid dynamics damping elasticity Navier-Stokes equations numerical analysis pipe flow turbulence Flow induced vibration (FIV...

... signal, and this method was not used. bending flow measurement pipe flow pipes two-phase flow vibrations multiphase flow flow structure interaction Flow-induced vibrations frequently occur in industry and pose problems in many situations. The resulting flow and pressure...

... in important part of this investigation because it is found that the boundary conditions are responsible for determining which acoustic natural frequencies will be selected by the vortex shedding mechanism. Diagrammatic representation of pipe, flow, cavities, and shear layers. The sources from...

... cantilevers carbon nanotubes elastic waves impact (mechanical) mechanical stability pipe flow pipes two-phase flow vibrations wear In oil and gas installations, whether on-shore or off-shore, pipes are commonly used for the conveyance of either crude or products. In either case, the pipes...

...) mechanical contact modal analysis pipe flow supports transducers turbulence vibration measurement vibrations 15 06 2009 16 12 2009 05 05 2010 Turbulence-corrected identification of the tube motion at the support location for preload configuration (b) Up...

...-wall stress distribution. 29 09 2008 22 06 2009 29 01 2010 29 01 2010 elastic waves impact (mechanical) liquid waves pipe flow projectiles Impulsive loading and the resulting fluid-structure interaction (FSI) has been extensively studied since WWII ( 1 2...

... analysis from a safety viewpoint. 02 04 2009 16 11 2009 26 01 2010 26 01 2010 computational fluid dynamics heat transfer pipe flow stratified flow computational fluid dynamics (CFD) thermally stratified flow thermal stratification conjugate heat transfer pressurized...

... computational fluid dynamics corrosion electrochemistry failure (mechanical) film flow flow simulation microfluidics multiphase flow pipe flow pipes surface cracks turbulence wear corrosion dynamic simulation multiphase flow protective films modeling fluid-structure interaction...

.... , 1985 , “ Flow Patterns in Vertical Two-Phase Flow ,” Int. J. Multiphase Flow 0301-9322 , 11 , pp. 161 – 175 . 10.1016/0301-9322(85)90043-6 24 07 2008 25 02 2009 02 09 2009 damping flow instability heat exchangers pipe flow pipes refrigerants turbulence two-phase...

... and the nature of the aero-acoustic sources in the T -junction. 15 02 2008 25 10 2008 14 07 2009 acoustic resonance aeroacoustics flow separation flow visualisation fluid oscillations pipe flow pipes shear flow The excitation of acoustic resonances by the coupling of a sound...

... elasticity flow instability pipe flow two-phase flow 03 01 2008 11 02 2009 12 06 2009 The most general method to predict fluid-elastic instability would be Connors’ equation ( 2 ), which can be formulated in terms of the dimensionless “reduced velocity” and “mass damping...

....11.010179.000435 , 11 , pp. 67 – 94 . acoustic resonance pipe flow vortices tandem cylinders vortex shedding acoustic resonance flow-acoustic interaction An earlier version of this paper was presented in the Seventh FSI, AE, and FIV + N Symposium held within the 2006 PV&P...