MEMS calorimetric transducers for flow separation detection and control

Abstract : Robust micro machined high temperature gradient calorimetric (HTGC) transducers were developed for flow separation control. Based on thermal principle, the transducers measure the mean and fluctuating bidirectional shear stress that is particularly useful for flow separation detection. More than a hundred micro-sensors were simultaneously micro-machined using MEMS technology. A flexible array of calorimetric micro-sensors was implemented with miniaturized electronics on a flap model also equipped with pulsed jet actuators. Flow control experiments were successfully conducted as the natural separation occurring on the model was detected the HTGC micro sensors and controlled by pulsed jet actuation.
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Submitted on : Wednesday, November 6, 2019 - 2:10:47 PM
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Cécile Ghouila-Houri, Talbi Abdelkrim, Romain Viard, Quentin Gallas, Eric Garnier, et al.. MEMS calorimetric transducers for flow separation detection and control. EUCASS 2019, Jul 2019, MADRID, Spain. ⟨hal-02351483⟩

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