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Journal ArticleDOI

Principles of non-intrusive diagnostic techniques and their applications for fundamental studies of combustion instabilities in gas turbine combustors: A brief review

TLDR
This paper categorizes different advanced non-intrusive combustion diagnostic techniques, including their basic principles and especially applications for the study of combustion instability, including computed tomography of chemiluminescence, volumetric laser induced fluorescence, rainbow-PIV, etc., are discussed.
About
This article is published in Aerospace Science and Technology.The article was published on 2019-01-01. It has received 88 citations till now. The article focuses on the topics: Combustion.

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Citations
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Theory of cross-correlation analysis of PIV images : Image analysis as measuring technique in flows

R. D. Keane, +1 more
TL;DR: In this article, cross-correlation methods of interrogation of successive single-exposure frames can be used to measure the separation of pairs of particle images between successive frames, which can be optimized in terms of spatial resolution, detection rate, accuracy and reliability.
Journal ArticleDOI

Effects of fuel variation and inlet air temperature on combustion stability in a gas turbine model combustor

TL;DR: In this article, influences of fuel variation and inlet air temperature on the combustion stability characteristics in a gas turbine model combustor were experimentally investigated, and the results showed that RP-3 and n-decane exhibited similar stability behaviors.
Journal ArticleDOI

Laser sensors for energy systems and process industries: Perspectives and directions

TL;DR: In this paper , the authors focus on laser absorption spectroscopy (LAS)-based sensors owing to their simple architecture, easy implementation, and market penetration, and detail recent advancements made in LAS variants using new laser sources and techniques.
Journal ArticleDOI

Experimental study on flame/flow dynamics in a multi-nozzle gas turbine model combustor under thermo-acoustically unstable condition with different swirler configurations

TL;DR: In this article, the authors present an experimental study on the combustion stability characteristics and flame/flow dynamics in a multi-nozzle, lean premixed prevaporized (LPP), swirl-stabilized gas turbine model combustor with different swirler configurations in the presence of self-excited combustion instability.
Journal ArticleDOI

Limited-projection volumetric tomography for time-resolved turbulent combustion diagnostics via deep learning

TL;DR: This work aims to take the full advantage of the recent progress in deep learning algorithms and develop an inversion method which not only reduces the processing time of a single frame down to the milliseconds level but also the number of projections required without sacrificing the imaging quality.
References
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Journal ArticleDOI

Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering

TL;DR: In this article, surface-enhanced Raman scattering was used to detect single molecules and single nanoparticles at room temperature with the use of surface enhanced Raman, and the intrinsic Raman enhancement factors were on the order of 10 14 to 10 15, much larger than the ensemble-averaged values derived from conventional measurements.
Book

Particle Image Velocimetry: A Practical Guide

TL;DR: In this paper, the authors present a practical guide for the planning, performance and understanding of experiments employing the PIV technique, which is primarily intended for engineers, scientists and students, who already have some basic knowledge of fluid mechanics and nonintrusive optical measurement techniques.
Journal ArticleDOI

Tomographic particle image velocimetry

TL;DR: In this paper, a tomographic particle image velocimetry (tomographic-PIV) system based on the illumination, recording and reconstruction of tracer particles within a 3D measurement volume is described.

Theory of cross-correlation analysis of PIV images : Image analysis as measuring technique in flows

R. D. Keane, +1 more
TL;DR: In this article, cross-correlation methods of interrogation of successive single-exposure frames can be used to measure the separation of pairs of particle images between successive frames, which can be optimized in terms of spatial resolution, detection rate, accuracy and reliability.
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