Next Article in Journal
An Unsupervised Method of Change Detection in Multi-Temporal PolSAR Data Using a Test Statistic and an Improved K&I Algorithm
Previous Article in Journal
Wearable Vibration Based Computer Interaction and Communication System for Deaf
Previous Article in Special Issue
Infrared Spectroscopy as Molecular Probe of the Macroscopic Metal-Liquid Interface
Article Menu
Issue 12 (December) cover image

Export Article

Open AccessFeature PaperReview
Appl. Sci. 2017, 7(12), 1298; doi:10.3390/app7121298

Imaging Flow Velocimetry with Laser Mie Scattering

Bremen Institute for Metrology, Automation and Quality Science (BIMAQ), University of Bremen, Linzer Str. 13, 28359 Bremen, Germany
Received: 9 November 2017 / Revised: 6 December 2017 / Accepted: 7 December 2017 / Published: 13 December 2017
(This article belongs to the Special Issue Optics and Spectroscopy for Fluid Characterization)
View Full-Text   |   Download PDF [705 KB, uploaded 15 December 2017]   |  


Imaging flow velocity measurements are essential for the investigation of unsteady complex flow phenomena, e.g., in turbomachines, injectors and combustors. The direct optical measurement on fluid molecules is possible with laser Rayleigh scattering and the Doppler effect. However, the small scattering cross-section results in a low signal to noise ratio, which hinders time-resolved measurements of the flow field. For this reason, the signal to noise ratio is increased by using laser Mie scattering on micrometer-sized particles that follow the flow with negligible slip. Finally, the ongoing development of powerful lasers and fast, sensitive cameras has boosted the performance of several imaging methods for flow velocimetry. The article describes the different flow measurement principles, as well as the fundamental physical measurement limits. Furthermore, the evolution to an imaging technique is outlined for each measurement principle by reviewing recent advances and applications. As a result, the progress, the challenges and the perspectives for high-speed imaging flow velocimetry are considered. View Full-Text
Keywords: flow field measurement; measurement techniques; measurement uncertainty; physical limit; high-speed imaging flow field measurement; measurement techniques; measurement uncertainty; physical limit; high-speed imaging

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Fischer, A. Imaging Flow Velocimetry with Laser Mie Scattering. Appl. Sci. 2017, 7, 1298.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Appl. Sci. EISSN 2076-3417 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top