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European Space Thermal Engineering Workshop 2019

8–10 Oct 2019
ESA/ESTEC
Europe/Amsterdam timezone

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Session

Thermal Testing

TT
9 Oct 2019, 11:00
Newton 1

Newton 1

Conveners

Thermal Testing

  • Romain PEYROU-LAUGA (ESA)

Thermal Testing

  • Malgorzata Solyga (ESA)

Presentation materials

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  1. 41. A synthesis of 3D MLI efficiency test in ESTEC Thermal Lab
    Romain PEYROU-LAUGA (ESA)
    09/10/2019, 11:00
    thermal testing

    This presentation will focus on MLI efficiency testing using 3D configuration (cube of various size, cyclinder), how they differ from flat MLI test (calorimeter), how they compare with the reality, at system level, and what are the main parameters driving the efficiency (size, shape, number of layers, materials...).

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  2. 4. HGAMA SOLAR SIMULATION TEST
    Mr Ander Pereda (SENER AEROESPACIAL)
    09/10/2019, 11:30
    thermal testing

    The ESA Solar Orbiter (SOLO) is an interdisciplinary mission to the Sun. It consists of a single spacecraft, which will orbit the Sun in a moderately elliptical orbit, using a suite of advanced Remote-Sensing and In-Situ instruments to perform a detailed observation of the Sun and surrounding space. Due to the nature of the mission, the spacecraft will get as close as 0.28 AU from the sun,...

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  3. 21. Contact conductance of copper based brush thermal connections
    Ms Katja Janzer (ESA)
    09/10/2019, 12:00
    thermal testing

    The contact conductance of copper based brush thermal connections were investigated. Results show a significant increase in heat transfer as compared to purely radiative connections during a cool down from +20 °C to -180 °C. Derived contact conductance values are higher than for common slip-rings or ball bearings.
    Two possible applications initiated the interest for copper based brushes....

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  4. 12. SAOCOM 1A TVAC and a low-power/hi-sensitivity thermal case study
    Lucas Cubau (INVAP S.E.)
    09/10/2019, 12:30
    thermal testing

    The SAOCOM satellites (1A and 1B) are two twin L-band SAR satellites for earth observation. Each satellite weights 3.000kg and main dimensions are 10m wingspan and 3.5m high.
    This program is developed by the Argentine Space Agency CONAE as a customer and INVAP as Prime Contractor.
    SAOCOM 1A was successfully launched in October 2018 and then began its observation and acquisition phase. Both...

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  5. 47. Sentinel-1 thermally activated Separation Bracket
    Arne Sauer (Airbus Defence and Space GmbH)
    09/10/2019, 14:00
    thermal design (for platforms, instruments etc.)

    The presentation deals with the design, function and qualification process of a thermally activated separation bracket. This new principle was developed for Sentinel-1 C&D in order to support the satellites demise and thus avoid satellite parts hitting the ground after re-entry.
    The principle is based on a soldered cup-cone fixation between antenna and bus. During re-entry, as soon as a...

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