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Climatic Wind Tunnel
Christer RamdénChrister Ramdén
Head of Vehicle
Performance Testing
Scania Technical Centre
Everything in one place
Scania’s R&D focus
New segments Growing
Fuel efficiency
and uptime
Environmental
performance
New segments
and
applications...
Climatic Wind Tunnel
 Unique facilityq y
 Climate testing for all
markets/weather
conditions – warm, cold,
rain, humidit...
Facility overview
Nozzle size 13 m²  Bus and truck testing
Wind speed 0-100 km/h
Dyno performance ± 800 kW, ± 120 kN
Temp...
Operating conditions – Rain
 Water intrusion in air intake
 Wiper functionWiper function
 ACC performance during rain, ...
Operating conditions - Snow
 Snow clogging on front lids
 Snow intrusion in air intakeSnow intrusion in air intake
 Sno...
Operating conditions – Sun
 Radiation intensity: 400-1,100 W/m²
 Radiation of front, roof and cab sidesRadiation of fron...
Soiling test
 0.5% fluorescent added to rain water
 Contamination of sides, door handlesContamination of sides, door han...
Aero acoustic testing
 Wind noise can be measured during stable and repeatable Wind noise can be measured during stable ...
Application testing
 Trucks, buses and tractors
 Variable wheel base settingVariable wheel base setting
 FCD for improv...
Advantages of Climatic Wind Tunnel
 Higher quality in new productsg q y p
 Shorter project lead times
 Better fuel econ...
Scania Climatic Wind Tunnel
Scania Climatic Wind Tunnel
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Scania Climatic Wind Tunnel

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Presentation held at Scania Capital Markets Day, 19 September 2013 by Christer Ramdén, Head of Vehicle Performance Testing

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Transcript of "Scania Climatic Wind Tunnel"

  1. 1. Climatic Wind Tunnel Christer RamdénChrister Ramdén Head of Vehicle Performance Testing
  2. 2. Scania Technical Centre Everything in one place
  3. 3. Scania’s R&D focus New segments Growing Fuel efficiency and uptime Environmental performance New segments and applications Growing volume in Asia, Africa, Eurasia
  4. 4. Climatic Wind Tunnel  Unique facilityq y  Climate testing for all markets/weather conditions – warm, cold, rain, humidity R titi t ti Repetitive testing conditions  Fuel efficiency uptime Fuel efficiency, uptime, driver environment, emissions
  5. 5. Facility overview Nozzle size 13 m²  Bus and truck testing Wind speed 0-100 km/h Dyno performance ± 800 kW, ± 120 kN Temperature -35ºC / +50ºC Humidity 5-95% RH  Rain and soiling (UV-chemical)  Aeroacoustic testing  Snow and solar simulation  Emission analysis
  6. 6. Operating conditions – Rain  Water intrusion in air intake  Wiper functionWiper function  ACC performance during rain, humidity  Mist removal
  7. 7. Operating conditions - Snow  Snow clogging on front lids  Snow intrusion in air intakeSnow intrusion in air intake  Snow clogging of filters  Wiper and defroster functions
  8. 8. Operating conditions – Sun  Radiation intensity: 400-1,100 W/m²  Radiation of front, roof and cab sidesRadiation of front, roof and cab sides  Cloud and tunnel functions  Testing of ACC performance in trucks
  9. 9. Soiling test  0.5% fluorescent added to rain water  Contamination of sides, door handlesContamination of sides, door handles  Windscreen and side window visibility  Soiling of exterior driving mirrors
  10. 10. Aero acoustic testing  Wind noise can be measured during stable and repeatable Wind noise can be measured during stable and repeatable conditions, also with a lateral wind flow.  Requirement: Background noise level ≤76 dB(A) at 90 km/h. The acoustic treatment solution includes circuit wall liningThe acoustic treatment solution includes circuit wall lining, turning vanes and baffles, and test section lining.
  11. 11. Application testing  Trucks, buses and tractors  Variable wheel base settingVariable wheel base setting  FCD for improved air flow  Supply of different fuels
  12. 12. Advantages of Climatic Wind Tunnel  Higher quality in new productsg q y p  Shorter project lead times  Better fuel economy and lower Better fuel economy and lower environmental impact  Improved driver environment d b tt f tand better safety
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