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Simultaneous 2D flow velocity and gas temperature measurements using thermographic phosphors

In English

Författare

Summary, in English

In this paper a new approach for simultaneous 2D velocity and temperature measurements using phosphoric particles is presented. The phosphoric particles respond to the temperature changes in the flow while acting as tracers for velocity mapping. The temperature sensitive particles were seeded into a heated flow and were excited by a pulsed UV laser. The subsequent red shifted emission was detected and analyzed to infer temperature using calibration procedures for lifetime and emission spectra against temperature. The diameter of the temperature sensitive particles, usually in the range of 1-10 mu m, makes them useful for velocity measurements using particle image velocimetry (PIV). As such, simultaneous measurement of temperature and flow velocity of a gaseous flow were performed and presented.

Publiceringsår

2008

Språk

Engelska

Sidor

99-102

Publikation/Tidskrift/Serie

Applied Physics B

Volym

92

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0946-2171