Quantitative, three-dimensional flow in a microscopic field-of-view

Ben Ovryn, Kevin Hallinan, Kamal Das

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We have applied `Forward Scattering Particle Image Velocimetry (FSPIV)', a technique which can be used to obtain a particle's location with extremely high axial and spatial resolution, to the measurement of three-dimensional velocities in a microscopic field-of-view. The component along the optical axis is determined by correlating the experimental data with a precise model for the scattered intensity. The model accounts for the propagation of the electric and magnetic fields scattered by the particle across a fluid-glass interface and then the phase transformation of the collecting optics and diffraction to the detector. The transverse velocity component is determined by following the centroid as a function of time. A highly coherent source is not required and therefore significant speckle noise is eliminated. The model has been verified with direct measurements of the scattering from polystyrene spheres. Additionally, the technique has been applied to the measurement of the velocity field in a heated, evaporating film.

Original languageEnglish (US)
Title of host publicationAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED
Editors Anon
PublisherASME
StatePublished - 1998
Externally publishedYes
EventProceedings of the 1998 ASME Fluids Engineering Division Summer Meeting - Washington, DC, USA
Duration: Jun 21 1998Jun 25 1998

Other

OtherProceedings of the 1998 ASME Fluids Engineering Division Summer Meeting
CityWashington, DC, USA
Period6/21/986/25/98

Fingerprint

Forward scattering
Speckle
Velocity measurement
Optics
Polystyrenes
Diffraction
Phase transitions
Electric fields
Scattering
Magnetic fields
Detectors
Glass
Fluids

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ovryn, B., Hallinan, K., & Das, K. (1998). Quantitative, three-dimensional flow in a microscopic field-of-view. In Anon (Ed.), American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED ASME.

Quantitative, three-dimensional flow in a microscopic field-of-view. / Ovryn, Ben; Hallinan, Kevin; Das, Kamal.

American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED. ed. / Anon. ASME, 1998.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ovryn, B, Hallinan, K & Das, K 1998, Quantitative, three-dimensional flow in a microscopic field-of-view. in Anon (ed.), American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED. ASME, Proceedings of the 1998 ASME Fluids Engineering Division Summer Meeting, Washington, DC, USA, 6/21/98.
Ovryn B, Hallinan K, Das K. Quantitative, three-dimensional flow in a microscopic field-of-view. In Anon, editor, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED. ASME. 1998
Ovryn, Ben ; Hallinan, Kevin ; Das, Kamal. / Quantitative, three-dimensional flow in a microscopic field-of-view. American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED. editor / Anon. ASME, 1998.
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