A quantitative study of three-dimensional Lagrangian particle tracking algorithms
NT Ouellette, H Xu, E Bodenschatz - Experiments in Fluids, 2006 - Springer
… In this section, we quantify the performance of the different algorithms based on the … Because
our 1D Gaussian Estimator can find particle centers on the image plane with rms error less …
our 1D Gaussian Estimator can find particle centers on the image plane with rms error less …
Quantification of errors induced by temporal resolution on Lagrangian particles in an eddy-resolving model
… To quantify the uncertainty of the Lagrangian evolution, we study the position errors … and
transit times in regions associated with large errors. Particular emphasis is placed on the 30-day …
transit times in regions associated with large errors. Particular emphasis is placed on the 30-day …
Intrinsic filtering errors of Lagrangian particle tracking in LES flow fields
… error for which we quantify a lower bound. To this aim, we use a DNS database of inertial
particle … which the error purely due to filtering is singled out removing error accumulation effects…
particle … which the error purely due to filtering is singled out removing error accumulation effects…
Particle tracking in LES flow fields: conditional Lagrangian statistics of filtering error
… 19], we focused on the error that is introduced in Lagrangian particle tracking (LPT) in LES …
by particles along their trajectory, x p (t). In particular, we quantified a lower bound for this error…
by particles along their trajectory, x p (t). In particular, we quantified a lower bound for this error…
[PDF][PDF] Special issue on uncertainty quantification in particle image velocimetry and Lagrangian particle tracking
A Sciacchitano, S Discetti - Measurement Science and …, 2022 - research.tudelft.nl
… that particle lag and intermittent seeding yield bias errors on the local average velocities. The
errors are … to minimise the calibration errors. Qureshi et al [4] investigate the measurement …
errors are … to minimise the calibration errors. Qureshi et al [4] investigate the measurement …
Statistics from Lagrangian observations
JH LaCasce - Progress in Oceanography, 2008 - Elsevier
… is intimately linked with Lagrangian statistics. Recent reviews … on single particle trajectories,
and then on multiple particles. … to several times a day with a positional error of 150–1000 m. …
and then on multiple particles. … to several times a day with a positional error of 150–1000 m. …
Predictability of Lagrangian particle trajectories: effects of smoothing of the underlying Eulerian flow
A Griffa, LI Piterbarg, T Özgökmen - 2004 - elischolar.library.yale.edu
… of Lagrangian errors due to uncertainties in the underlying Eulerian velocity fi eld is still
lacking. The question of how to quantify Lagrangian errors versus Eulerian model errors is …
lacking. The question of how to quantify Lagrangian errors versus Eulerian model errors is …
Estimation of numerical errors related to some basic assumptions in discrete particle methods
S Benyahia, JE Galvin - Industrial & Engineering Chemistry …, 2010 - ACS Publications
… particle per parcel) and are used to quantify the errors in simulations with larger numbers
of particles … partitioning the fluid into discrete (Lagrangian) particles that are moved (advected) …
of particles … partitioning the fluid into discrete (Lagrangian) particles that are moved (advected) …
Shake-The-Box: Lagrangian particle tracking at high particle image densities
D Schanz, S Gesemann, A Schröder - Experiments in fluids, 2016 - Springer
… , can influence the error in particle positioning. The correlation process reduces random …
In order to quantify the features of the STB algorithm, the concept is applied to synthetic data …
In order to quantify the features of the STB algorithm, the concept is applied to synthetic data …
TrackFit: uncertainty quantification, optimal filtering and interpolation of tracks for time-resolved Lagrangian particle tracking
S Gesemann - 14th International Symposium on Particle Image …, 2021 - soremo.library.iit.edu
… of errors and noise. This work addresses the problem of optimal filtering of particle tracks as
… , velocity and acceleration of observed particles. The behavior and performance of this new …
… , velocity and acceleration of observed particles. The behavior and performance of this new …
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