planar laser-induced fluorescence


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planar laser-induced fluorescence

[¦plā·nər ¦lā·zər in‚düst flə′res·əns]
(fluid mechanics)
A flow visualization technique in which a thin sheet of monochromatic laser radiation is used to excite a particular molecular species in a flow, and the resulting fluorescence emission of this species gives some indication of its number density. Abbreviated PLIF.
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References in periodicals archive ?
In the noncontact measurement methods, smokewire technique [2, 3], particle image velocimetry (PIV) [4, 5], and planar laser-induced fluorescence (PLIF) are the most popular methods to realize flow field visualization.
Two techniques which have seen widespread application to thermometry in internal combustion engines are Planar Laser-Induced Fluorescence, PLIF, and Coherent Anti-Stokes Raman Scattering, CARS.
Several optical techniques have been used to identify the HCCI combustion front, such as planar laser-induced fluorescence (PLIF) of a tracer species added to the fuel, PLIF of an intermediate or equilibrium combustion species, and Mie scattering.

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