The spectroscopic diagnostic technique of two photon absorption laser-induced fluorescence (TALIF) of atomic species for non-intrusive arc jet flow property measurement was first implemented at NASA Ames in the mid-1990s. Use of TALIF expanded at NASA Ames and to NASA Johnsons arc jet facility in the late 2000s. In 2013-2014, NASA combined the agency's large-scale arc jet test capabilities at NASA Ames. Concurrent with that effort, the agency also sponsored a project to establish two comprehensive LIF diagnostic systems for the Aerodynamic Heating Facility (AHF) and Interaction Heating Facility (IHF) arc jets. The scope of the project enabled further engineering development of the existing IHF LIF system as well as the complete reconstruction of the original AHF LIF system. The updated LIF systems are identical in design and capability. They represent the culmination of over 20 years of development experience in transitioning a specialized laboratory research tool into a measurement system for large-scale, high-demand test facilities. This paper documents the overall system design from measurement requirements to implementation. Representative data from the redeveloped AHF and IHF LIF systems are also presented.


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    Titel :

    Consolidated Laser-Induced Fluorescence Diagnostic Systems for the NASA Ames Arc Jet Facilities


    Beteiligte:
    Grinstead, Jay (Autor:in) / Wilder, Michael C. (Autor:in) / Porter, Barry (Autor:in) / Brown, Jeff (Autor:in) / Yeung, Dickson (Autor:in) / Battazzo, Steve (Autor:in) / Brubaker, Tim (Autor:in)

    Kongress:

    AIAA AVIATION 2016 ; 2016 ; Washington, DC, United States


    Erscheinungsdatum :

    2016-06-16


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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