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DLR - Workshop zur Diagnostik in Verbrennung (DIV)
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Development of methods
Rayleigh scattering
(measurement of density distributions and temperatures derived from these)
Raman scattering
(simultaneous measurement of the main species in reactive flows;
Coherent anti-Stokes Raman scattering (CARS)
(temperature measurement, mainly using the nitrogen present in air-fed combustion, also under technically
difficult boundary conditions)
Laser-induced fluorescence (LIF)
(measurement of combustion-relevant minority species; 2D thermometry on the OH radical)
Laser-induced incandescence (LII)
(measurement of soot volume fraction and soot particle size)
Particle image velocimetry (PIV)
(measurement of flow velocity)
Simultaneous use of different measurement techniques
(determining the interaction between flow and flame)
High-speed imaging (LIF and PIV)
(species and velocity distributions with frame rates in the kilohertz range)
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