Climatic Wind Tunnel Vienna

Research, new test methods and experiences – HVAC, thermal comfort, air quality, energy efficiency

Date: 17.-18.6.2025

Among others, the topics listed below will be covered. Further contributions are currently being clarified:

HVAC concepts &  Air quality
  • Daniel Schmeling - DLR
    "Influence of the ventilation concept on the comfort and the air quality - particle spreading and individual comfort zones"
  • Youngmin Cho - KRRI
    "Indoor air quality issue of railway passenger cabin in Korea"
  • Rainer Lüllemann / Mirco Dittmar (LaVision)
    "Air flow Visualization – Scientific background - FlowBOS-Kamera SE
Energy efficiency
  • Tim Berlitz / Leonhard Hörth - DB-Systemtechnik
    "DB-DutyCycle 2023 - Evaluation of energy-saving measures in the air conditioning of rail vehicle systems"
  • Reinhard Aigner / Christian Luger - Liebherr
    "Energy efficiency assessment of natural refrigerants in vapour cycle air conditioning systems for rail application"
  • Carl de Graef - Knorr Bremse
    (Title to be announced)
  • Mario Zoufal - RTA
    "Measurement of HVAC energy consumption - standardized measurement concepts to achieve the required overall measurement uncertainty"
Thermal comfort standards
  • Ingo Baier - Stadler 
    "Differences in measurement and evaluation according to previous and new standard EN 14750 'Urban and suburban rolling stock'“ (Arbeitstitel)
  • Franz Sidler - Hochschule Luzern
    "Research on thermal comfort in local public transport – Measurements & passenger surveys, best practice examples, experiences with implemented measures"
  • Felix Mooshammer - RTA
    "Experience with standardizing the “standstill” k-value to 5 km/h using correction factors according to EN 14750" (Arbeitstitel)
Testing experiences & natural refrigerants

(Projects to be announced)

  • Paolo Petaccia - Allovis
    "Numerical and experimental methodology for the prediction of explosive atmospheres generated by leaks of flammable refrigerant gases"
  • RTA customer 
  • RTA project manager

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