منابع مشابه
Laser-Induced Fluorescence Imaging
Fluorescence imaging is a tool of increasing importance in aerodynamics, fluid flow visualization, and nondestructive evaluation in a variety of industrial circumstances. It is a means for producing two-dimensional images of real surfaces or fluid case-sectional areas that correspond to data on properties such as temperature or pressure across the surfaces. This article discusses three major fl...
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This study is concerned with the measurements of scalar variables in turbulent flows, by Laser Induced Fluorescence. We used solutions of water and rhodamine B, to study the properties of the fluorescent tracer and the characteristics of the fluorescence signal and its dependence on the instrumentation and other experimental conditions. It is shown that a linear relationship between light inten...
متن کاملLaser-induced fluorescence of organic matter
Sludge applications have been used to maintain fertility of agricultural soils without damaging the natural ecosystem. The aim of this study was evaluating the influence of sewage-sludge addition on the quality of organic matter (OM) of a Brazilian Oxisol by Laser Induced Fluorescence (LIF). LIF was used to analyze OM of whole soil and different soil fractions separated by chemical and physical...
متن کاملMixing Measurements Using Laser Induced Fluorescence
In this article, we present a novel method of quantitatively measuring mixing using laser induced fluorescence. This method is independent of flow and light sheet characteristics. The premise of this work is that molecular level mixing can be quantified through a scalar pH field in an aqueous solution. A two dimensional pH field can be determined in the solution by imaging the laser induced flu...
متن کاملMeasuring atmospheric naphthalene with laser-induced fluorescence
Measuring atmospheric naphthalene with laser-induced fluorescence M. Martinez , H. Harder , X. Ren, R. L. Lesher, and W. H. Brune Department of Meteorology, Pennsylvania State University, University Park, Pennsylvania, USA now at: Max-Planck-Institut für Chemie, Mainz, Germany Received: 9 December 2003 – Accepted: 18 December 2003 – Published: 19 January 2004 Correspondence to: M. Martinez (mar...
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ژورنال
عنوان ژورنال: Laser Chemistry
سال: 1990
ISSN: 0278-6273,1476-3516
DOI: 10.1155/1990/82962