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Keywords: particle image velocimetry
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Proceedings Papers

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A029, August 10–12, 2021
Paper No: FEDSM2021-65593
...Abstract 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...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T02A016, July 13–15, 2020
Paper No: FEDSM2020-20262
...A QUANTITATIVE ANALYSIS OF MACHINE LEARNING BASED REGRESSORS FOR PRESSURE RECONSTRUCTION IN PARTICLE IMAGE VELOCIMETRY APPLICATIONS Manan Basu, Sushrut Kumar, Priyam Gupta, Raj Kumar Singh Department of Mechanical Engineering Delhi Technological University Delhi, India E-mail - rajkumarsingh...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A075, July 28–August 1, 2019
Paper No: AJKFluids2019-5325
... roughness on flow field and the surface frictional stress based PIV (Particle Image Velocimetry) measurements and torque measurements in high Reynolds numbers. The azimuthal mean velocity for rough surfaces increased in the entire flow field in comparing to the flow for a smooth surface, and this tendency...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A067, July 28–August 1, 2019
Paper No: AJKFluids2019-4790
... 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 cylinder. For relatively lower permeability, turbulent wake is quite similar to the case for a solid...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A085, July 28–August 1, 2019
Paper No: AJKFluids2019-4751
... 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...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 2051-2060, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30536
... 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...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 1419-1428, August 2–6, 2009
Paper No: FEDSM2009-78292
... 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 the porous...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 1749-1752, August 2–6, 2009
Paper No: FEDSM2009-78573
... 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...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 1355-1364, August 2–6, 2009
Paper No: FEDSM2009-78218
... 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...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 639-644, July 30–August 2, 2007
Paper No: FEDSM2007-37593
... 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...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 841-848, July 30–August 2, 2007
Paper No: FEDSM2007-37400
... 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...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 633-638, July 30–August 2, 2007
Paper No: FEDSM2007-37592
... 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...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 3, 1009-1014, July 11–15, 2004
Paper No: HT-FED2004-56404
... 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...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 1, 219-228, July 11–15, 2004
Paper No: HT-FED2004-56239
... 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...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2673-2680, July 6–10, 2003
Paper No: FEDSM2003-45230
... 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...
Proceedings Papers

Proc. ASME. FEDSM2005, Volume 1: Symposia, Parts A and B, 1223-1231, June 19–23, 2005
Paper No: FEDSM2005-77219
... 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...
Proceedings Papers

Proc. ASME. FEDSM2006, Volume 1: Symposia, Parts A and B, 1071-1076, July 17–20, 2006
Paper No: FEDSM2006-98104
... 08 09 2008 The progress in mixing on macro- and microscale is visualized by means of optical measurement systems. The Particle Image Velocimetry (PIV) is used to measure the velocity field inside the mixing system. The source term of the local energy dissipation is calculated...
Proceedings Papers

Proc. ASME. FEDSM2006, Volume 2: Fora, 265-271, July 17–20, 2006
Paper No: FEDSM2006-98351
... in the single-blade pump. The submersible pump, completely made of transparent plastic, has been investigated in detail by the Particle Image Velocimetry. The phase averaged 2D-velocity field inside the pump was measured for the same operating points which were investigated by numerical methods in advance...
Proceedings Papers

Proc. ASME. FEDSM2006, Volume 2: Fora, 1045-1053, July 17–20, 2006
Paper No: FEDSM2006-98568
... 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...
Proceedings Papers

Proc. ASME. FEDSM2006, Volume 2: Fora, 969-975, July 17–20, 2006
Paper No: FEDSM2006-98481
... at an angle relative to the incoming flow by fixed vanes at a zero angle of attack, with the flow deflection based on super-circulation produced by the Coanda effect. The particle image velocimetry method was employed to analyze, quantify and visualize the flow field. Particle Image Velocimetry...