Abstract Highly efficient conditioning of the air supplied to the test vehicle is a vital task of an altitude test facility (ATF). The time needed to achieve stable conditions as well as the required amounts of energy and other supplies to achieve those conditions are means to measure the effectiveness of the ATF operation. Optimizing the operation of single facility components only delivers local optima but not a total operational optimum. Hence, the optimized operation of highly interlinked groups of components delivering a defined functionality has to be achieved. A thorough understanding of the operational characteristics of the components is a prerequisite for such an optimization. The complex systems required for cooling the air supplied to test vehicles down to high-altitude temperature conditions is an example for such a complex optimization task. In a first step, the operational envelope of one of the Stuttgart ATF air coolers has been characterized experimentally. This included the analysis of the startup procedures. A new measurement setup to determine the dew point within the Stuttgart University Altitude Test Facility has been implemented for this purpose. Experiments were conducted to measure the dew point using a precise hygrometer. A radial traversing system was implemented to enable measurements at different positions downstream of the air cooler. Since the determination of the dew point takes place in a wide temperature range, a probe for sampling and conditioning of the air was developed. The measured data are of high quality. The achieved results form the basis of the operational optimization of the Stuttgart ATF air cooler system.


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    Titel :

    Dew point measurement at the Stuttgart University ATF


    Beteiligte:
    Barth, F. M. (Autor:in) / Staudacher, S. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2019




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    50.03 Methoden und Techniken der Ingenieurwissenschaften / 50.03 Methoden und Techniken der Ingenieurwissenschaften, Methoden und Techniken der Ingenieurwissenschaften / 55.50 Luftfahrzeugtechnik / 55.50 Luftfahrzeugtechnik, Luftfahrzeugtechnik
    DDC:    629.105



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