Abstract Phase shifts and mass flows were measured at the inlet of an inertance tube, and the results are compared with transmission line models. The mass flow rates at the entrance to the inertance tube are obtained using a hot-wire anemometer. The hot wire was calibrated in oscillating flow conditions by mass flow rate comparisons at two other locations in the apparatus. Measurements were made and future work will attempt to show that by adjusting the diameters and lengths of the inertance tubes as well as the operating conditions, we will be able to independently identify the effects of resistive, inertance, and compliance components. We discuss the hot wire calibration procedure used to ensure self-consistency among the various transducers and system mass flowrate measurement calculations. The magnitude and phase of the inertance tube complex impedance are measured and discussed. The size of the inertance tube studied here was 1.5 mm diameter by 1.15 m long with frequencies between 30 and 70 Hz.


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    Title :

    Measurements of Phase Shifts in an Inertance Tube


    Contributors:

    Published in:

    Publication date :

    2005-01-01


    Size :

    7 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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