Gener­ic Train Lab­o­ra­to­ry Göt­tin­gen (GZG)

Smoke visualisation
Smoke vi­su­al­i­sa­tion
Image 1/5, Credit: DLR (CC BY-NC-ND 3.0)

Smoke visualisation

Smoke vi­su­al­i­sa­tion of dis­place­ment ven­ti­la­tion with 24 heat­ed pas­sen­ger man­nequins.
Exterior view
Ex­te­ri­or view
Image 2/5, Credit: DLR (CC BY-NC-ND 3.0)

Exterior view

The Gener­ic Train Lab­o­ra­to­ry at the Ger­man Aerospace Cen­ter (DLR) is a walk-in one-to-one scale mod­el of a dou­ble-deck­er high-speed train.
Temperature sensors in the footwell
Tem­per­a­ture sen­sors in the footwell
Image 3/5, Credit: DLR (CC BY-NC-ND 3.0)

Temperature sensors in the footwell

Tem­per­a­ture sen­sors and sen­sor wiring in the footwell.
Temperature sensor
Tem­per­a­ture sen­sor
Image 4/5, Credit: DLR (CC BY-NC-ND 3.0)

Temperature sensor

Tem­per­a­ture sen­sor in front of the head of a pas­sen­ger man­nequin.
Laser smoke visualisation
Laser smoke vi­su­al­i­sa­tion
Image 5/5, Credit: DLR (CC BY-NC-ND 3.0)

Laser smoke visualisation

Laser smoke vi­su­al­i­sa­tion of the air­flow in front of a pas­sen­ger man­nequin.

Scientists at the DLR Institute of Aerodynamics and Flow Technology in Göttingen are investigating new concepts for air conditioning in railway carriages using a model of a double-decker high-speed train.

Research and testing on a high-speed train

The Generic Train Laboratory at the German Aerospace Center (DLR) is a walk-in, one-to-one scale model of a double-decker high-speed Next Generation Train (NGT). The laboratory enables interdisciplinary research and testing of innovative concepts for air conditioning on railway vehicles. Scientists are using it to study issues related to aerodynamics, materials science and medical psychology. Their aim is to optimise heating, ventilation and air conditioning technology to improve energy efficiency and passenger comfort.

Together with its basic structure, the double-decker high-speed train model incorporates extensive measuring technology for recording and processing data. Only when combined do these two components enable tests to be carried out with representative groups of test subjects; the goal is to investigate thermal comfort in rail vehicles and improve the efficiency of air conditioning systems. The considerable flexibility afforded by the use of new ventilation concepts within the NGT’s specific design offers unique possibilities for investigating future double-decker high-speed trains. The Generic Train Laboratory’s realistic interior and exterior structure makes this set-up particularly valuable to the NGT project.

Various optical and conventional measurement methods are used in the tests to record relevant velocity and temperature data. These include:

  • LED light-intersection optics with high-resolution CCD cameras and optical accessories for particle image velocimetry
  • Laser light-intersection systems for smoke visualisation
  • Infrared thermography and sensors for recording temperature distribution on surfaces, in open spaces and especially in the vicinity of thermal passenger mannequins
  • Omnidirectional velocity probes
  • Relative humidity sensors
  • An analysis system for recording lighting data
  • 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
  • Daniel Schmeling
    Ger­man Aerospace Cen­ter (DLR)
    In­sti­tute of Aero­dy­nam­ics and Flow Tech­nol­o­gy
    Ground Ve­hi­cles
    Telephone: +49 551 709-2381
    Fax: +49 551 709-2404
    Bunsenstraße 10
    37073 Göttingen

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