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3D-LIF Experiments in an Open Wet Clutch by means of Defocusing PTV

Leister, Robin; Kriegseis, Jochen

Abstract:
Defocusing particle tracking velocimetry (DPTV) is applied to sub-millimetre rotor-stator gap flows on a test rig of an open wet clutch model. A recently proposed in-situ calibration approach (Fuchs et al., 2016) is modified to account for both the rotating no-slip condition and the grooves of the clutch lamella. Fluorescent particles are used to suppress the reflection issues at the walls and the groove patterns. The results demonstrate that DPTV is capable to derive sufficiently accurate velocity information in the smooth Couette-like gap region. Moreover, the experiments uncover formerly unknown flow properties inside the lamella grooves. The results provide evidence that the application of DPTV is a promising means to achieve a deeper insight into cause-effect relations between the flow fields inside an open wet clutch and the resulting adverse drag-torque characteristics.

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Postprint §
DOI: 10.5445/IR/1000098119
Frei zugänglich ab 25.07.2020
Zugehörige Institution(en) am KIT Institut für Strömungsmechanik (ISTM)
Publikationstyp Proceedingsbeitrag
Jahr 2019
Sprache Englisch
Identifikator KITopen-ID: 1000098119
Erschienen in 13th International Symposium on Particle Image Velocimetry (ISPIV 2019), July 22-24, 2019, Munich, Germany
Veranstaltung 13th International Symposium on Particle Image Velocimetery (ISPIV 2019), München, Deutschland, 22.07.2019 – 24.07.2019
Vorab online veröffentlicht am 24.07.2019
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