... Abstract In this paper, the turbulent flow characteristics around right-trapezoidal prisms with varying streamwise aspect ratios (AR, ratio of upper length to prism height) of AR = 0.6, AR = 2, and AR = 2.5 in a uniform flow were investigated using particle image velocimetry (PIV). The Reynolds...

... be affected by several parameters, such as the impact velocity, shape and size of the droplets, this study focuses on investigating droplet properties and movement in a controlled lab environment. High speed imaging and Particle Image Velocimetry (PIV) methods are used for this purpose. PIV is used to measure...

... Abstract In the present study, the effects of wall proximity on the wake dynamics behind a square cylinder subjected to a thick upstream turbulent boundary layer were experimentally investigated using particle image velocimetry. The Reynolds number based on the free-stream velocity...

... Abstract With the recent advances in Artificial Intelligence, avenues for the application of Machine Learning (ML) are increasing in many engineering problems pertaining to Fluid Mechanics. Particle Image Velocimetry is an advanced fluid measurement technique but the pressure evaluation...

... field was measured by using a particle image velocimetry. This flow is characterized by two non-dimensional parameters, i.e., the height-to-radius ratio H/R and the rotating Reynolds number Re = R2 Limiting boundaries for single, double and triple vortex breakdowns in steady flow were re-plotted...

.... In this study, we conduct laboratory experiments of Taylor-Couette flow, using the cylindrical test specimens roughly sprayed with an actual ship paint, and investigate the influence of irregular roughness on flow field and the surface frictional stress based PIV (Particle Image Velocimetry) measurements...

... Abstract To investigate the effect of permeability on turbulent wake behind a cylinder in uniform flow, we conduct particle image velocimetry on turbulent wake behind permeable cylinders, which are made of mesh sheets, of different permeabilities and compare the results with those for a solid...

... of an elliptical leading edge and a rectangular trailing edge, have been studied in Reynolds numbers ranging from 500 to 1200, based on the thickness of the body. Numerical simulations, Laser Induced Fluorescence (LIF) flow visualization, and Particle Image Velocimetry (PIV) methods have been used to identify...

... 30 07 2010 This paper deals with the 2D measurement of non-stationary flow fields in elastic tubes. The requirements of the model (transparency and tracking) were consistent with the principles of the PIV (Particle Image Velocimetry) method. In addition, the paper describes...

... a square trailing edge. In each experiment, measurements were conducted for a pair of cylinders that have identical leading edge shape. Three centre-to-centre spacing ( b = 30 mm, 50 mm and 75 mm) were investigated for each cylinder leading edge shape. Particle image velocimetry system was used to conduct...

...-to-center spacing were used to produce solid volume fractions that ranged from 0.11 to 0.44. The Reynolds number based on the bulk velocity of the approach flow and channel height was 16800. A high resolution particle image velocimetry (PIV) system was used to conduct detailed velocity measurements within...

... 26 03 2009 Detailed flow measurements are conducted by two-dimensional Particle Image Velocimetry (PIV) in a low specific speed radial diffuser pump at the design operating point, in order to investigate the impeller-diffuser interaction. The measurements are conducted at midspan...

... and cavity height was Re h = 5000. Particle image velocimetry technique (PIV) was used to conduct detailed velocity measurements upstream of the cavity, inside the cavity and as far downstream of the cavity as x/h = 50. Mean velocity, turbulent intensities and Reynolds shear stress were obtained...

... and 2800 respectively were studied. Particle image velocimetry technique (PIV) was used to obtain detailed velocity measurements upstream of the FFS, in the reattachment region ( x/h = 0, 1, 2) and in the redevelopment region ( x/h = 4, 10, 15 and 50). The boundary layer integral parameters, mean...

... of the annular space were measured employing the particle image velocimetry technique (PIV). Attention was focused on the determination of the onset of secondary flow in the form of distorted Taylor vortices. The results demonstrated that the critical rotational Reynolds number is directly influenced...

... f = 19.8%, where f is the percentage in weight) and boundary temperatures (T cold = −30°C to −10°C) on the solidification process is examined. Particle Image Velocimetry (PIV) is used in this study to measure the velocity fields in the melt during the solidification process. The temperatures...

... 05 02 2009 Flow visualization and measurements of mean and fluctuating velocities were performed on a coaxial jet at a Reynolds number of 3000 in an open water tank using hot-film anemometry, particle image velocimetry (PIV) and laser-induced fluorescence (LIF). The coaxial jet...

... Velocimetry at different impeller positions. A very good qualitative agreement between measurements and calculations has been obtained for all investigated operating points. Single-blade impeller computational fluid dynamics Particle Image Velocimetry Proceedings of FEDSM2005 2005 ASME Fluids...

... Particle image velocimetry single-blade centrifugal pump periodically unsteady flow The development of a pressure and a suction surface of a single-blade pump impeller leads to a strong asymmetric pressure distribution at the perimeter of the rotor outlet. The interaction of the impeller...

... images from a turbulent, locally recirculating flow over a sinusoidal wall. Particle Image Velocimetry PIV/IG velocity profile velocity gradient wall shear curved wall Proceedings of FEDSM2006 2006 ASME Joint U.S. - European Fluids Engineering Summer Meeting often a restrictive condition...