Qualification of multiple-particle positron emission particle tracking (M-PEPT) technique for measurements in turbulent wall-bounded flow

Cody Wiggins; Nitant Patel; Zachary Bingham; Arthur Ruggles

doi:10.1016/j.ces.2019.04.030

Qualification of multiple-particle positron emission particle tracking (M-PEPT) technique for measurements in turbulent wall-bounded flow

Cody Wiggins, Nitant Patel, Zachary Bingham, Arthur Ruggles

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

Positron emission particle tracking (PEPT) has been shown to be useful for flow interrogation in opaque systems. In this work, a recently developed method for multiple-particle PEPT (M-PEPT) is employed for measurement of flow in a pipe at Re_D = 42 600, and results are compared to direct numerical simulation (DNS) data to test the capability of M-PEPT for measurement of statistical quantities in turbulent flow. Correction for photon depth of interaction in detectors is seen to be needed and is applied. M-PEPT is shown to be capable of measuring quantities such as mean velocity and acceleration, Reynolds stress, and turbulent kinetic energy budget outside of the near-wall region. Further refinement of the technique is needed to resolve near-wall turbulence features.

Original language	English
Pages (from-to)	246-256
Number of pages	11
Journal	Chemical Engineering Science
Volume	204
DOIs	https://doi.org/10.1016/j.ces.2019.04.030
State	Published - Aug 31 2019
Externally published	Yes

Funding

The authors are grateful to Alan Stuckey, Dustin Osborne, and Jon Wall of the University of Tennessee Medical Center for access to their equipment and facilities for the preparation of our tracers and to Howard Cyr for access to the Mastersizer 3000 for particle size analysis. This work was supported by the National Nuclear Security Administration Stewardship Science Academic Alliances award DE-NA0001983 and the Nuclear Energy University Program Integrated University Program. This material is based upon work supported under an Integrated University Program Graduate Fellowship . The authors are grateful to Alan Stuckey, Dustin Osborne, and Jon Wall of the University of Tennessee Medical Center for access to their equipment and facilities for the preparation of our tracers and to Howard Cyr for access to the Mastersizer 3000 for particle size analysis. This work was supported by the National Nuclear Security Administration Stewardship Science Academic Alliances award DE-NA0001983 and the Nuclear Energy University Program Integrated University Program. This material is based upon work supported under an Integrated University Program Graduate Fellowship.

Funders	Funder number
National Nuclear Security Administration	DE-NA0001983
University of Tennessee

Keywords

Flow measurement
Multiple-particle tracking
Pipe flow
Positron emission particle tracking

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10.1016/j.ces.2019.04.030

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title = "Qualification of multiple-particle positron emission particle tracking (M-PEPT) technique for measurements in turbulent wall-bounded flow",

abstract = "Positron emission particle tracking (PEPT) has been shown to be useful for flow interrogation in opaque systems. In this work, a recently developed method for multiple-particle PEPT (M-PEPT) is employed for measurement of flow in a pipe at ReD = 42 600, and results are compared to direct numerical simulation (DNS) data to test the capability of M-PEPT for measurement of statistical quantities in turbulent flow. Correction for photon depth of interaction in detectors is seen to be needed and is applied. M-PEPT is shown to be capable of measuring quantities such as mean velocity and acceleration, Reynolds stress, and turbulent kinetic energy budget outside of the near-wall region. Further refinement of the technique is needed to resolve near-wall turbulence features.",

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AU - Ruggles, Arthur

PY - 2019/8/31

Y1 - 2019/8/31

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AB - Positron emission particle tracking (PEPT) has been shown to be useful for flow interrogation in opaque systems. In this work, a recently developed method for multiple-particle PEPT (M-PEPT) is employed for measurement of flow in a pipe at ReD = 42 600, and results are compared to direct numerical simulation (DNS) data to test the capability of M-PEPT for measurement of statistical quantities in turbulent flow. Correction for photon depth of interaction in detectors is seen to be needed and is applied. M-PEPT is shown to be capable of measuring quantities such as mean velocity and acceleration, Reynolds stress, and turbulent kinetic energy budget outside of the near-wall region. Further refinement of the technique is needed to resolve near-wall turbulence features.

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Qualification of multiple-particle positron emission particle tracking (M-PEPT) technique for measurements in turbulent wall-bounded flow

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Keywords

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