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Keywords: PIV
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Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T02A002, July 13–15, 2020
Paper No: FEDSM2020-20322
... obstacle (20x10mm²) then a squared obstacle (10x10mm²) were placed in order to study experimentally and numerically the vortex shedding and their interactions in the flow. Upstream obstacles, the studied flows are laminar. In our experimental study, the PIV technique was used in order to obtain...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A014, July 13–15, 2020
Paper No: FEDSM2020-20158
... because of the destruction of the shear-induced vortex dynamics that causes flow stagnation on the rear cavity wall. Our results also indicate the superhydrophobic coating is potentially beneficial in terms of reducing the hemodynamic loading inside the cavity. PIV pulsatile flow cavity flow...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T06A009, July 28–August 1, 2019
Paper No: AJKFluids2019-5010
... according to the operating frequency. PZT (lead zirconate titanate) hydraulic pump visualization PIV EXPERIMENTAL STUDY ON SMALL HYDRAULIC PUMP USING VISUALIZATION TECHNIQUE Jangmi Woo, Yeonghyeon Gim, Dong Kee Sohn1, Han Seo Ko School of Mechanical Engineering Sungkyunkwan University, Suwon...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A020, July 28–August 1, 2019
Paper No: AJKFluids2019-5111
... different shaped main nozzles were used. The analysis of spray characteristics was done by using particle image velocimetry (PIV) system and phase Doppler anemometry (PDA) system. Spray cone angle, Sauter mean diameter (SMD) distribution and weighted mean SMD (WMSMD) were analyzed. In the case of the effect...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A019, July 28–August 1, 2019
Paper No: AJKFluids2019-4978
... heart rates (50 bpm, 75 bpm and 100 bpm). The stenotic valve was constructed by molding silicone into three-leaflet aortic valve geometries wrapping around thin fabrics which increases its stiffness and tensile strength. Two-dimensional phase-locked particle image velocimetry (PIV) was employed...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A082, July 28–August 1, 2019
Paper No: AJKFluids2019-4651
... Abstract The study is an experimental investigations using PIV. The measurements were obtained by PIV for an unsteady laminar flow across a rectangular channel with a cross-section 300 × 30mm 2 , in the middle of which is located a cylindrical or a square obstacle. In the case...
Proceedings Papers

Proc. ASME. FEDSM2013, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives, V01CT27A004, July 7–11, 2013
Paper No: FEDSM2013-16354
.... To optimize cooling setup, CFD simulations and in-situ experiments using particle image velocimetry (PIV) have been made, as well as global flow rate and pressure measurements in the curved duct. A three-dimensional model of a curved duct with 25 outlet nozzles has been studied for duct Reynolds number up...
Proceedings Papers

Proc. ASME. FEDSM2013, Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics, V01BT15A006, July 7–11, 2013
Paper No: FEDSM2013-16309
.... Specifically tailored for PIV data, they present an important topic in modern experimental fluid mechanics. In fact, the performance of the method is related to its effectiveness in the velocity data analysis and to successfully detect and locate the vortices as well as calculate the characteristic vortex...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 475-478, July 8–12, 2012
Paper No: FEDSM2012-72206
... with large blade outlet angle. KEYWORDS: Chemical Pump, Blade outlet angle, PIV, Velocity distribution INTRODUCTION Crystallization is a process that crystal particles precipitated from supersaturating solution mainly composing of natrium and kalium ion. The feature of this phenomenon is that there are lots...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 479-489, July 8–12, 2012
Paper No: FEDSM2012-72211
... results obtained by averaging the head and the efficiency over the last computed impeller revolution. In addition the numerical obtained flow field upstream of the inlet nozzle is compared to flow fields measured in Braunschweig by PIV method. Also the flow field is shown in regions of the pump which...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 347-355, July 8–12, 2012
Paper No: FEDSM2012-72037
...NUMERICAL SIMULATION OF INNER FLOW IN A DOUBLE BLADES PUMP BASED ON OPENFOAM AND ITS PIV VERIFICATION Yun Ren Research Center of Fluid Machinery Engineering and Technology, Jiangsu University Zhenjiang, Jiangsu, China renyun_ry@hotmail.com Houlin Liu Research Center of Fluid Machinery Engineering...
Proceedings Papers

Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 307-310, July 24–29, 2011
Paper No: AJK2011-06058
..., its vane had a logarithmic spiral and its shroud had a parabola form. Computational fluid dynamics (CFD) demonstrated that the streamlines in the impeller were coincided with the vane and shroud; particle image velocimetry (PIV) exhibited also that the streamlines in vane channel were really...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 785-791, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30944
... reservoir. Particle Image Velocity (PIV) is used to observe a secondary flow pattern and pressure transducer is used for investigating the onset and development of rotating stall inside vaneless diffuser. The reverse flow zone observes near hub wall of impeller exit at relatively low flow rate. This reverse...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 2061-2069, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30548
... not occur through the traditional route as observed in circular cylinder flows. It is found that mode-C instability with a spanwise spacing of 2.4D dominates the near wake development. Wake instabilities Wake transition PLIF PIV POD 1 Copyright © 2010 ASME Proceedings of the ASME 2010 3rd...
Topics: Wakes
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 315-321, August 2–6, 2009
Paper No: FEDSM2009-78277
... 30 07 2010 The relationship between pump characteristic instabilities and internal flow was investigated in a mixed flow pump with specific speed of 700 (min −1 m 3 /min, m) or 1.72 (non-dimensional) by using a commercial CFD code and a dynamic PIV (DPIV) measurement. This pump has...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 1389-1397, August 2–6, 2009
Paper No: FEDSM2009-78268
... 30 07 2010 An experimental investigation was performed to study the structure of the flow field around finite circular and square cylinders in a water channel. Detailed velocity measurements using a particle image velocimetry (PIV) system and proper orthogonal decomposition (POD...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 481-491, August 10–14, 2008
Paper No: FEDSM2008-55035
... were analysed using the particle image velocimetry (PIV) software. Three experimental conditions were studied, i.e. oscillating finned surface in a fluid at rest, steady finned flow and oscillating finned flow. CFD simulations were performed using the software suit CFX11 from ANSYS GmbH, Germany...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 1147-1152, August 10–14, 2008
Paper No: FEDSM2008-55132
... 10 07 2009 The relationship between pump characteristic instability and internal flow was investigated on a mixed flow pump with specific speed ωs = 1.72 (dimensionless) or 700 (m 3 /min, m, min −1 ) by using a commercial CFD code and a dynamic PIV (DPIV) measurement. As a result...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 1107-1113, August 10–14, 2008
Paper No: FEDSM2008-55025
... model which is suitable for PIV measurement has been developed. The tongue region and the passages region between blades were investigated using PIV. In order to eliminate the effect of refraction on the area close to the wall and increase the measurement accuracy, the fluorescent particles were scatted...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1909-1915, July 30–August 2, 2007
Paper No: FEDSM2007-37012
... measured using two-dimensional PIV. Basic experiments using flip-flop flows, conventional flows and jet flows were performed. Flip-flop flow PIV Plating tank Zincification Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference July 30-August 2, 2007 San Diego, California USA...