Review on development of volumetric particle image velocimetry

Review on development of volumetric particle image velocimetry
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体积粒子图像测速技术发展综述

DOI:
10.1007/s11434-013-6081-y
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发表时间:
2013-11
影响因子:
--
通讯作者:
Shen GongXin
Shen GongXin
中科院分区:
--
文献类型:
--
作者:
Gao Qi;Wang HongPing;Shen GongXin

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体积粒子图像测速技术(PIV)是一种测量体积内三分量速度场的激光技术。常用的体积PIV技术有散焦PIV、多视图PIV和全息PIV。Tomographic PIV是一种先进的多视角PIV方法,它利用乘性代数重建技术(MART)重建粒子场,显著提高了测量的空间分辨率。鉴于体积PIV测量技术的快速发展,本文着重从粒子重建和速度重建两个方面介绍了不同体积PIV测量方法的原理。阐述了应用的优点和局限性。具体的问题,体积PIV照明,数字成像,焦深,鬼粒子和空间分辨率进行了讨论。
Volumetric particle image velocimetry (PIV) is a laser technique measuring three-component velocity field in a volume. Common volumetric PIV techniques are defocusing PIV, multi-view PIV and holographic PIV. Tomographic PIV is an advanced approach of multi-view PIV, which significantly improves the spatial resolution of the measurement by using the multiplicative algebraic reconstruction technique (MART) to reconstruct the particle field. Due to the rapid progress being made in volumetric PIV measurements, this article focuses on introducing the principles of different volumetric PIV methods from aspects of particle reconstruction and velocity reconstruction. Advantages and limitations on applications are elaborated. Issues specific to volumetric PIV regarding illumination, digital imaging, depth of focus, ghost particle and spatial resolution are discussed.
DOI: 10.1007/s11434-011-4888-y
发表时间: 2012-01
影响因子: --
作者:
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影响因子: --
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