Search for dissertations about: "Acoustic resonator"
Showing result 1 - 5 of 25 swedish dissertations containing the words Acoustic resonator.
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1. Low phase noise voltage controlled micro- and millimeter wave oscillators
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2. Integration of Surface Acoustic Wave and Microfluidic Technologies for Liquid-Phase Sensing Applications
Abstract : This thesis discusses a new concept for construction of a novel SAW in-liquid sensor employing surface acoustic wave resonance (SAR) in a one-port configuration. In this concept, the reflective gratings of a one-port SAW resonator are employed as mass loading-sensing elements, while the SAW transducer is protected from the measurement environment, reducing power losses significantly. READ MORE
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3. Aeroacoustics Studies of Duct Branches with Application to Silencers
Abstract : New methodologies and concepts for developing compact and energy efficient automotive exhaust systems have been studied. This originates in the growing concern for global warming, to which road transportation is a major contributor. READ MORE
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4. Modelling of compact resonators
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5. Acoustic characterization of orifices and perforated liners with flow and high-level acoustic excitation
Abstract : This thesis is motivated by the need for noise control in aircraft engine with orifices and perforated liner. The presence of high-level acoustic excitation, different flow situations either bias flow, grazing flow or any combination in the aircraft engine, makes the acoustic behavior complex due to the interaction between sound and flow over the lined wall. READ MORE