The Thermal InfraRed Sensor (TIRS) instrument was launched into space on board Landsat 8 in February 2013. This instrument was added to Landsat 8 to measure water evaporation and transpiration as well as provide two thermal infrared bands to complement the optical suite. TIRS has a refractive telescope which focuses a light onto a focal plane cooled to 43K with a two-stage cryocooler. This paper will detail the mechanical aspects of TIRS including a description of its composite honeycomb box design, flexures, large deployable earth shield, and accommodations for the telescope, detector, and cryocooler. The design, build, test, and delivery of TIRS was accomplished in three years on an accelerated schedule at NASA Goddard Space Flight Center. The assembly and test flow are discussed including qualification of the structure in vibration and acoustic tests.


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    Titel :

    Mechanical aspects of the Thermal InfraRed system (TIRS) on Landsat 8


    Beteiligte:
    Robinson, David (Autor:in) / Tonn, Synthia (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.2015


    Format / Umfang :

    3292996 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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