POD Mode Robustness for the Turbulent Jet Sampled with PIV

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Abstract

An important challenge in the description and simulation of turbulence is the large amount of information that is needed to describe even relatively simple flows in detail. The frequent disagreement between Reynolds averaged Navier–Stokes-based simulations and experiments is well known. Albeit, direct numerical simulations and in certain cases large eddy simulations tend to agree fairly well with experiments, their practical implementation introduces the problem of data storage. The experimentalist, however, experiences the same problem, using highspeed particle image velocimetry (PIV) systems and even high speed volumetric PIV systems providing fully three dimensional velocity fields. Another challenge is how do we verify simulations against experiments and ensure that we indeed have simulated the same flow that we have measured?
Original languageEnglish
Title of host publicationWhither Turbulence and Big Data in the 21st Century?
EditorsAndrew Pollard, Luciano Castillo, Luminita Danaila, Mark Glauser
PublisherSpringer
Publication date2017
Pages163-188
Chapter10
ISBN (Print)978-3-319-41215-3
ISBN (Electronic)978-3-319-41217-7
DOIs
Publication statusPublished - 2017

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