Par­ti­cle im­age ve­locime­try (PIV) at the DLR site in Göt­tin­gen

Using PIV measurements at a airplane model
Us­ing PIV mea­sure­ments at a air­plane mod­el
Image 1/2, Credit: DLR

Using PIV measurements at a airplane model

PIV is a non-con­tact op­ti­cal mea­sure­ment tech­nique that al­lows flow ve­loc­i­ties to be record­ed si­mul­ta­ne­ous­ly at many points with­in a mea­sure­ment plane.
So­phis­ti­cat­ed mea­sure­ment tech­nol­o­gy for in­dus­try and re­search.
Better understanding of how airflow behaves around the wings
Bet­ter un­der­stand­ing of how air­flow be­haves around the wings
Image 2/2, Credit: DLR

Better understanding of how airflow behaves around the wings

Re­searchers us­ing the PIV laser mea­sure­ment tech­nique on the wing of the DLR A320 ATRA (Ad­vanced Tech­nol­o­gy Re­search Air­craft).

Based at the DLR Institute of Aerodynamics and Flow Technology in Göttingen, the large-scale PIV facility is a mobile system that is unique within Europe and can be used in a variety of facilities, in particular wind tunnels. PIV is a non-contact optical measurement technique that allows flow velocities to be recorded simultaneously at many points within a measurement plane.

Sophisticated measurement technology for industry and research

The German Aerospace Center (DLR) large-scale PIV facility enables the quantitative visualisation of complex flow phenomena by means of instantaneous three-component (3C-) velocity vector fields in planes and volumes of the flow, with high spatial resolution. DLR’s PIVview software allows automated, script-controlled evaluation and mapping of the data in wind-tunnel or model-based coordinate systems. The array of applications for PIV measurement technology ranges from low-velocity to transonic and hypersonic airflows.

The facility is unique within Germany and enables the use of measurement technology in industrial wind tunnels in Germany (ETW, DNW, BLSWT), as well as project initiation, especially as part of the aeronautical research programme, the H2020 EU projects or the German Research Foundation (Deutsche Forschungsgemeinschaft; DFG). The primary purpose of this large-scale facility is to further develop PIV measurement technology for measurement tasks in industry, and to make it available for research projects. The hardware and software are suitable for industrial use and thus the acquisition of new projects. The gain in scientific knowledge that can be achieved as a result of the facility is also very important for internal DLR projects.

The fulfilment of many third-party-funded contracts is only possible with this large-scale facility. The large-scale PIV facility will allow commitments to be met in terms of the Aviation Research Programme (Luftfahrtforschungsprogramm, LuFo) of the German Federal Ministry for Economic Affairs and Energy (Bundesministerium für Wirtschaft und Energie; BMWi) European Union programmes and projects by the DFG, and also enable national partnerships (university educatio, Bachelor’s, Master’s and doctoral programmes) and international cooperative efforts (for example, with ONERA, DNW, CNRS, LML Lille, TU Delft, University of Oxford) to be established and maintained. In addition, this large-scale facility gives DLR unique national capacities and capabilities compared with its counterparts elsewhere in Europe.

  • Volker Speelmann
    Head of Cen­tral Ex­pen­di­ture Man­age­ment
    Ger­man Aerospace Cen­ter (DLR)
    Telephone: +49 2203 601-4103
    Fax: +49 2203 601 4115
    Linder Höhe
    51147 Cologne
  • Dr.rer.nat. Andreas Schröder
    Ger­man Aerospace Cen­ter (DLR)
    In­sti­tute of Aero­dy­nam­ics and Flow Tech­nol­o­gy
    De­part­ment Ex­per­i­men­tal Meth­ods
    Telephone: +49 551 709-2190
    Fax: +49 551 709-2830
    Lilienthalplatz 7
    38108 Braunschweig

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