4 edition of PIV measurements within a water analog engine found in the catalog.
PIV measurements within a water analog engine
Daniel Karl Fetter
Thesis (M.A.Sc.) -- University of Toronto, 2000.
|Series||Canadian theses = -- Thèses canadiennes|
|The Physical Object|
|Pagination||2 microfiches : negative. --|
measurements, and combination of both data types to examine calibration methodologies using an experimental laboratory scaled model of a water distribution system. Within the controlled laboratory setting, more data can be collected than can be during a field water distribution network calibration. Among older tests conducted in wire-wrapped hexagonal bundles, the ones conducted by Reihman and Rehme [18,19] are the most interesting, as they produced a large database of pressure drop measurements within a wide range of P/D ratios, other geometrical characteristics, and flow regimes. The combinations of geometrical parameters investigated Cited by:
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the vicinity of a microphone membrane In this section, the acoustic velocity ﬁeld is estimated experimentally using Particle Image Velocimetry (PIV) inside the domain close to the microphone membrane as shown in ﬁgure 1. The microphone is positioned inside a waveg-uide. PIV has previously been used to study acoustic ﬂow in a waveguide . An essential part of an AC-DC power supply circuit is the filter, used to separate the residual AC (called the “ripple” voltage) from the DC voltage prior to output. Here are two simple AC-DC power supply circuits, one without a filter and one with: Draw the respective output voltage waveforms of these two power supply circuits (V.
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PIV measurements of a microchannel flow Article (PDF Available) in Experiments in Fluids 27(5) October with 1, Reads How we measure 'reads'. Particle Image Velocimetry (PIV) measurements were performed within an optical water analog engine. A unique triggering and data collection system was developed to allow a CCD camera to acquire.
Particle image velocimetry (PIV) measurements of the flow patterns in a pressurized heavy water reactor (PHWR) were made in a 1/4 scaled-down model of the Canadian deuterium uranium (CANDU) reactor. Archimedes’ number (Ar) was introduced to evaluate the dynamic similarities between the isothermal (Ar = 0) and heating by: 5.
Particle Image Velocimetry (PIV) measurements were performed within an optical water analog engine. A unique triggering and data collection system was developed to allow a CCD camera to acquire two consecutive image frames at predetermined crank : Eugene Suk, Daniel K. Fetter, Pierre E. Sullivan.
In-cylinder PIV measurements have been performed in a four-valve single cylinder optical gasoline direct injection engine, motored at speeds of2, and 3, rpm. Mean vector flow fields have been produced during the latter half of the intake stroke in the symmetry plane between the valve pairs.
The flow fields show the development of the in-cylinder flow structures atand Cited by: PIV-based pressure measurement. B W van Oudheusden. Richon J B and Gray C Accelerations in water waves by extended particle image velocimetry Exp. Fluids 30 – Crossref.
Comparative assessment of pressure field reconstructions from particle image velocimetry measurements and Lagrangian particle tracking. In-cylinder PIV measurements have been previously reported in an unthrottled 4-valve single cylinder optical gasoline direct injection engine motored at speeds ofand rpm .
Mean vector flow fields were produced during the latter half of the intake stroke in the symmetry plane between the valve pairs and tumble ratios presented.
To try and predict angular swirl momentum from PIV measurements and compare these with readings from a swirl-torquemeter. To check on influence of the swirl-torquemeter on the flow.
To analyse the flow turbulence. 2 Experimental Set-up Flow-bench In order to use the PIV technique, a dedicated stationary flow-bench was built in.
Particle Image Velocimetry applications Spring semester Fluid velocity measurement for fluid dynamic characterization: Air flowing around a car or an aircraft, water running through hydroelectric turbine, blood flow, Size: 1MB. Issue 1 - December - Principles and Applications of Particle Image Velocimetry AL Optical Diagnostics of Flows Principles and Applications of Particle Image Velocimetry C.
Brossard, J.-C. Monnier, Figure 1 shows a typical standard two-component PIV (2C-PIV) setup. A plane within the flow is illuminated twice by means of two. mixing isopropyl alcohol with distilled water. Surface tension characteristics of the water-IPA mixture are also presented herein.
To perform high speed PIV measurements, a low-cost, Lasiris Magnum, near-IR, TTL diode line generator laser is used to form the light sheet. To seed the water, traditional silver coated hollow-glass spheres were used.
Electrical Engineering PIV abbreviation meaning defined here. What does PIV stand for in Electrical Engineering. Top PIV abbreviation related to Electrical Engineering: Peak Inverse Voltage. a total perspective using standard high-speed PIV is used to get a quick overview of the flow within the cylinder.
Cross sections normal Z- and X-direction in the mid plane of the cylinder are investigated. Furthermore, those measurements are used to validate the scaling and the 3D measurements. PIV measurements of a microchannel flow C. Meinhart, S. Wereley, J.
Santiago Abstract A particle image velocimetry (PIV) system has been developed to measure velocity ﬁelds with order 1-lm spatial resolution. The technique uses nm diameter ﬂow-tracing particles, a pulsed Nd:YAG laser, an inverted epi-ﬂuorescent.
PIV is the most robust and widely used optical velocimetry for flow field studies [17, 18]. Specifically, PIV has begun to be used in indoor airflow field measurements during the last decade. The main reasons for the popularity of PIV measurements are well-developed technologies, rich experimental experiences and commercially available systems.
19th Australasian Fluid Mechanics Conference Melbourne, Australia December POD analyses of PIV and hot wire velocity data in a cylinder wake S.L. Tang1,2, i1, R.A. Antonia1 and Y. Zhou2 1School of Engineering, University of Newcastle, NSWAustralia.
See Appendix B for information about why it takes longer to read a PIV card than it did to read a KHz proximity card. PIV card read range PIV card is not held within the correct read range. PIV cards have a short read range and typically must be held less than one inch from the reader. Validation of four LES and a vortex model against stereo-PIV measurements in the near wake of an actuator disc and a wind turbine Author links open overlay panel Lorenzo E.M.
Lignarolo a Dhruv Mehta a e Richard J.A.M. Stevens b d Ali Emre Yilmaz f Gijs van Kuik a Søren J. Andersen c Charles Meneveau b Carlos J. Ferreira a Daniele Ragni a Johan Cited by: A stereo-PIV (stereo particle image velocimetry) calibration procedure has been developed based on fitting a camera pinhole model to the two cameras using single or multiple views of a 3D calibration plate.
A disparity vector map is computed on the real particle images by cross-correlation of the images from cameras 1 and 2 to determine if the calibration plate coincides with the light by: An Internet Book on Fluid Dynamics Particle Image Velocimetry A powerful and relatively new tool for ﬂow visualization and velocimetry is the process known asparticle image velocimetry.
This involves digitizing a moving image of a ﬂow seeded with particles of typical dimension, c (Figure 1). Here we describe the two-dimensional or planar. This immensely practical guide to PIV provides a condensed, yet exhaustive guide to most of the information needed for experiments employing the technique.
This third edition has updated chapters on the principles and extra information on microscopic, high-speed and three component measurements as well as a description of advanced evaluation.PIV measurements and computations of the transient flow in a siphon p.
Application of particle image velocimetry to Mach 6 flows p. PIV measurements of unsteady transonic flow fields above a NACA airfoil p.
PIV: comparison of three autocorrelation techniques p. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation.