Development and Implementation of Optical Diagnostics for Aerospace Research and Applications

A special issue of Aerospace (ISSN 2226-4310).

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 2334

Special Issue Editors


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Guest Editor
School of Mechanical & Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
Interests: vortex dynamics; flow mechanisms; vortex rings; impinging jets; jet mixing enhancements; flow control
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Guest Editor
School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: light field volumetric particle image velocimetry; tomographic particle image velocimetry; 3D flow measurements in gas turbine engine; light field based 3D temperature measurement technique; high spatial/temporal resolution 2D particle image velocimetry

Special Issue Information

Dear Colleagues,

The development and implementation of increasing advanced optical-based diagnostics for accurate and comprehensive measurements in research associated with various aspects of aerodynamics, flow control, and combustion processes have seen rapid advancements been made in the past decade.  This is made possible through significant improvements in camera and optical systems, illumination sources, understanding in optical principles, post-processing algorithms, and computing speed, among many other factors. These advancements enable researchers to capture high-fidelity and/or high-speed measurements at unprecedented accuracy levels with relative ease and/or lower the overall system cost (and therefore barrier to entry) for many research entities, which allows greater access to research tools than before. Through these technological improvements, many new ideas surrounding novel optical diagnostics in terms of hardware and software have surfaced, be they associated with 2D/3D geometrical and/or flow measurements. Coupled with recent advances in AI, machine learning, data mining, and big data analysis, researchers are now able to extract measurement details that might have not been possible before.

This Special Issue welcomes contributions related to the developments and/or applications of optical diagnostics for use in aerodynamics, flow control, or combustion research.

Topics of interest include, but are not restricted to:

  1. Developments of novel optical diagnostics for aerospace applications;
  2. Fundamental and aerospace industry applications of optical diagnostics;
  3. 2D/3D measurements related to aerospace metrology or flow measurements;
  4. Advances in imaging system technology;
  5. Advances in post-processing tools and algorithms;
  6. Developments and/or implementations of AI, machine learning, data-mining, and big data analysis related to optical diagnostics.

Dr. Tze How New
Dr. Shengxian Shi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Aerospace is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • optical systems
  • imaging systems
  • illumination systems
  • optical diagnostics
  • applied optics
  • metrology
  • aerodynamics
  • combustion
  • fluid dynamics
  • flow control

Published Papers (1 paper)

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Research

19 pages, 7340 KiB  
Article
Experimental Investigation of a Roughness Element Wake on a Hypersonic Flat Plate
by Junhao Han, Lin He, Xiwang Xu and Zhengbang Wu
Aerospace 2022, 9(10), 574; https://doi.org/10.3390/aerospace9100574 - 2 Oct 2022
Cited by 1 | Viewed by 1443
Abstract
An experimental investigation was performed on the wake flow field of an isolated roughness element of a flat plate at Mach 6 by employing the nanoparticle-based planar laser scattering (NPLS) approach. The three-dimensional features and causes of the flow field structure were scrutinized [...] Read more.
An experimental investigation was performed on the wake flow field of an isolated roughness element of a flat plate at Mach 6 by employing the nanoparticle-based planar laser scattering (NPLS) approach. The three-dimensional features and causes of the flow field structure were scrutinized by transient flow field images of roughness elements on various planes. The time-resolved NPLS technique was implemented to examine the time evolution characteristics of the wake flow field of roughness elements. In the following, the process of dynamic evolution of large-scale vortex structures in the wake flow field was methodically assessed. Additionally, the influences of roughness element heights on the wake vortex structure were evaluated and the obtained results were compared. Full article
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