Klein, Christian and Sachs, Werner and Henne, Ulrich and Borbye, J. (2010) Determination of Transfer Function of Pressure-Sensitive Paint. 48th AIAA Aerospace Sciences Meeting , 4. - 7. Jan. 2010 , Orlando, Florida, USA. ISBN 978-1600-86739-2.
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An experimental setup for detailed and accurate experimental determination of the frequency response of pressure-sensitive paints (PSP) is presented. By use of a mechanical shaker which is connected to a pressure chamber the setup realizes high-quality sinusoidal pressure variations for frequencies ranging from less than 0.1 Hz up to several hundreds of Hz with pressure amplitudes up to ±3 kPa. An appropriate optical system for detection of luminescent light of the PSP has been adapted for the experimental set-up. Unsteady characterization of various formulations of PSP based on the luminophore platinum tetra (pentafluorophenyl)porphine (PtTFPP) in a fluoroacrylic polymer was carried out for frequencies f = 0.1 up to 120 Hz. The influence on frequency response from paint layer thickness was measured. The influence of paint porosity is tested by adding from 0 to 80 mass % TiO2 particles to the PSP. The frequency response is shown to be similar with respect to a characteristic time, which ranged from the order of seconds for no filler to the order of milliseconds for higher amount of TiO2.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||Determination of Transfer Function of Pressure-Sensitive Paint|
|In ISI Web of Science:||No|
|Page Range:||pp. 1-10|
|Series Name:||2010 AIAA Meeting Papers on Disc|
|Keywords:||pressure-sensitive paints (PSP)|
|Event Title:||48th AIAA Aerospace Sciences Meeting|
|Event Location:||Orlando, Florida, USA|
|Event Type:||international Conference|
|Event Dates:||4. - 7. Jan. 2010|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Flight Physics|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Experimental Methods|
|Deposited By:||Ilka Micknaus|
|Deposited On:||19 Feb 2010 11:10|
|Last Modified:||14 Jun 2010 14:50|
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