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