Positron Emission Particle Tracking (PEPT) for Fluid Flow Measurements

被引：26

作者：

Langford, Seth ^{[1
]}

Wiggins, Cody ^{[2
]}

Tenpenny, Daniel ^{[1
]}

Ruggles, Arthur ^{[1
]}

机构：

[1] Univ Tennessee, Dept Nucl Engn, Pasqua Nucl Engn 315, Knoxville, TN 37996 USA

[2] Univ Tennessee, Dept Phys & Astron, 401 Nielsen Phys Bldg, Knoxville, TN 37996 USA

来源：

NUCLEAR ENGINEERING AND DESIGN | 2016年 / 302卷

关键词：

Fluid flow; Positron emission particle tracking; Lagrangian flow measurement; Particle tracking velocimetry; ASSIGNMENT; PET;

D O I：

10.1016/j.nucengdes.2016.01.017

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Positron emission particle tracking (PEPT) is used to study the behavior of flow in a rectangular test section. A multiple-particle tracking technique (multi-PEPT) is proposed and tested using a once-through flow system and a preclinical positron emission tomography (PET) scanner. This measurement is then compared to particle image velocimetry (PIV) and high-speed particle tracking velocimetry (PTV) studies of the same test section. Uncertainties in the established flow measurement methods used to validate the PEPT performance are quantified. Mean flow velocity are compared as measured by the three methods. Minor variations are exposed in the data comparisons, and uncertainty exists due to the statistical nature of our PEPT method. Nonetheless, multi-PEPT is shown to be capable as a means of examining characteristics of a complex flow regime. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：81 / 89

页数：9

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