CFD compared with the PIV measurements
PIV Measurements of the CEV Hot Abort Motor Plume for CFD Validation
... stereo PIV configuration, the nozzle was recorded in both the left and right camera ...processed PIV data were placed in the nozzle coordinate system and transferred to NASA Ames ...
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PIV and Rotational Raman-Based Temperature Measurements for CFD Validation in a Single Injector Cooling Flow
... While PIV systems are ubiquitous and commercially available, there are no such options for acquiring non-intrusive temperature ...temperature measurements on a variety of ...temperature measurements ...
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PIV and Rotational Raman-Based Temperature Measurements for CFD Validation in a Single Injector Cooling Flow
... using acetone Planar Laser Induced Fluorescence (PLIF) and determined that the desired feature of film cooling jets is that they are reentrained into the boundary layer far downstream. The mean properties of the boundary ...
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PIV Measurements and CFD Simulation of the Performance and Flow Physics and of a Small-Scale Vertical Axis Wind Turbine.
... the CFD-predicted performance are shown alongside the experimental measurements in Figure ...both CFD and experiment crossing to positive C p at similar until a maximum C p is encountered in both ...
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PIV and Rotational Raman-Based Temperature Measurements for CFD Validation of a Perforated Plate Cooling Flow: Part I
... temperature measurements (mean flow and turbulence) to characterize the fluid dynamics and thermodynamics in the vicinity of the interaction region between the hot main flow stream and the injected cooling ...flow ...
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A PIV and CFD analysis of natural convection ice melting
... Key-words : Ice melting, natural convection, phase change, density inversion, PIV, CFD. 1. Introduction The analysis of convective heat transfer with solid-liquid phase change is important in a broad range ...
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Performance of PIV and PTV for granular flow measurements
... the PIV and PTV techniques, we describe the most com- mon sources of error arising from the applications of these two ...are compared to those from PIV analysis in which errors are influ- enced by ...
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PIV Uncertainty Methodologies for CFD Code Validation at the MIR Facility
... where d IJ is the particle image diameter and a is a gradient parameter. But for given a correlation plane, the correlation peak width is usually calculated by performing a three-point Gaussian fit and then computing the ...
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Time-resolved PIV measurements of a tip leakage flow
... the same as for the 2D-2C TR PIV. Moreover, since 2D-3C is very difficult to tune properly, it could thus be validated against the 2D-2C TR PIV results. For the measurement of three velocity components u, v, ...
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Solitary Waves and PIV measurements at IGAW Wave Flume
... for measurements when compared to the wave gauges rented from University of Hannover is the width of the flume is small and the wave gauges are mainly used in larger flumes at Hannover, so we found large ...
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CFD simulation and PIV validation of the gas/liquid behavior in an UASB reactor
... the PIV results is at the bottom of the reactor, while for the CFD results it is at the ...the PIV results showed a value of 0.02341 m.s -1 , while the CFD results reported a velocity of ...
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PIV Measurements of Supersonic Internally-Mixed Dual-Stream Jets
... The Supersonics Project at NASA has identified Airport Noise as one of the Technical Challenge areas for future civilian supersonic vehicles. The charter for this research thrust is to identify and mature relevant noise ...
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Determine of velocity field with PIV and CFD during the flow around of bridge piers
... for PIV The main part of this kit includes a double pulse laser type Nd: YAG, manufacturer New Wave Research Gemini PIV type with adjustable repetition rate of 0-15 Hz and a maximum energy of 120 mJ in a ...
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Measurements of the velocity fields by PIV method round about titling gate
... THE MEASUREMENTS OF VELOCITY FIELDS ROUND ABOUT TITLING GATE ...METHOD PIV The main part of this set includes a double pulse laser type Nd: YAG laser type, producer of the New Wave Research, Gemini ...
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PIV measurements of an air jet impinging on an open rotor-stator system
... flow or the rotor radius. Therefore, the velocity fields obtained from the PIV image pairs are statistically independent. Image acquisition and image processing were performed with TSI Insight TM 3G software ...
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Stereo-PIV measurements of spatio-temporal turbulence correlations in an axisymmetric jet
... The PIV system used consisted of a pair of LaVision High Speed Star 4 (HSS4) 1024x1024 pixel resolution cameras (at 10bit dynamic range) capable of frame rates up to 1kHz double frames at full resolution, at which ...
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Assessment of PIV performance in validating CFD models from nasal cavity CBCT scans
... ultrasound measurements Arterial pulse wave velocity in relation to carotid intima-media thickness brachial flow-mediated dilation and carotid artery distensibility: The Cardiovascular Risk in Young Finns Study ...
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PIV measurements of isothermal plane turbulent impinging jets at moderate Reynolds numbers
... The linear distribution in Fig. 4b indicates the self-simi- larity of normalised mean velocity in the region 0.35 ≤ y/h jet ≤ 0.75 for w jet = 16 mm and 0.20 ≤ y/h jet ≤ 0.75 for w jet = 8 mm. When converted to w jet, ...
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Particle Image Velocimetry (PIV) measurements in the wake of a cascade of compressor blades at stall
... The PIV measurements were performed with the TSI MiniLase II-20, which employed two, 150 mJ Nd:YAG lasers operating at a wavelength of 1064 nm. This system can be utilized from low velocities all the way up ...
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