Assessment of fluorescent particles for surface flow analysis

Flavia Tauro, Gabriele Mocio, Emiliano Rapiti, Salvatore Grimaldi, Maurizio Porfiri

Research output: Contribution to journalArticle

Abstract

In this paper, a systematic performance assessment of the measurement system for surface flow analysis developed by our group in (Tauro et al., Sensors, 2010) is presented. The system is based on the detection of buoyant fluorescent microspheres through a low-cost apparatus, which incorporates light sources to elicit fluorescence response and a digital camera to identify the particles' transit. Experiments are conducted using green fluorescent particles and further tests are executed to evaluate the system performance for red and orange particles varying in emission wavelength, degree of biocompatibility, and cost. The influence of the following parameters on surface flow sensing using fluorescent beads is investigated: (i) distance of the light sources from the water surface, (ii) presence of an ad-hoc filter tuned at the particle emission wavelength, (iii) camera resolution and frame rate, (iv) flow regime, and (v) ambient light. Experimental results are used to inform implementation guidelines for surface flow analysis in natural environments.

Original languageEnglish (US)
Pages (from-to)15827-15840
Number of pages14
JournalSensors (Switzerland)
Volume12
Issue number11
DOIs
StatePublished - Nov 2012

Fingerprint

Light
light sources
Light sources
Costs and Cost Analysis
particle emission
digital cameras
biocompatibility
transit
surface water
Microspheres
wavelengths
beads
Wavelength
Digital cameras
flow velocity
Fluorescence
cameras
Biocompatibility
Guidelines
costs

Keywords

  • Fluorescent particles
  • Hydrologic tracers
  • Sensors technologies
  • Surface flow
  • Velocimetry

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Analytical Chemistry
  • Biochemistry

Cite this

Assessment of fluorescent particles for surface flow analysis. / Tauro, Flavia; Mocio, Gabriele; Rapiti, Emiliano; Grimaldi, Salvatore; Porfiri, Maurizio.

In: Sensors (Switzerland), Vol. 12, No. 11, 11.2012, p. 15827-15840.

Research output: Contribution to journalArticle

Tauro, F, Mocio, G, Rapiti, E, Grimaldi, S & Porfiri, M 2012, 'Assessment of fluorescent particles for surface flow analysis', Sensors (Switzerland), vol. 12, no. 11, pp. 15827-15840. https://doi.org/10.3390/s121115827
Tauro, Flavia ; Mocio, Gabriele ; Rapiti, Emiliano ; Grimaldi, Salvatore ; Porfiri, Maurizio. / Assessment of fluorescent particles for surface flow analysis. In: Sensors (Switzerland). 2012 ; Vol. 12, No. 11. pp. 15827-15840.
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