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ICT 1 Scenario calculations on the effect of different source reduction on road vehicles using the TraNECam/Rotranomo calculation model, developed by H.Steven,

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Presentation on theme: "ICT 1 Scenario calculations on the effect of different source reduction on road vehicles using the TraNECam/Rotranomo calculation model, developed by H.Steven,"— Presentation transcript:

1 ICT 1 Scenario calculations on the effect of different source reduction on road vehicles using the TraNECam/Rotranomo calculation model, developed by H.Steven, TÜVNord. by Truls Berge SINTEF ICT, Dept of Acoustics, Trondheim, NORWAY 22.02.2006 Informal Document GRB-43-6 (43rd GRB 21-23 February 2006, agenda item 6).

2 ICT 2 Calculation outline: Starting year is 1999, based on the Norwegian vehicle fleet and statistics. The basic trend, without any regulatory steps for vehicles or tyres is calculated for the years 2003, 2010,2015 and 2020. For all scenarios, the changes in Leq (10 m). Ltot, are calculated, as well as the changes in rolling noise, Lroll, and engine noise, Lprop. All scenarios have the same levels in 2010, as the basic trend. The calculations are done for the following traffic conditions (all free flowing): 1. ADT= 10000 HDV= 10 % Posted speed: 50 km/h 2. ADT= 20000 HDV= 15 % Posted speed: 80 km/h

3 ICT 3 Scenario 1: GRB/Germany –proposal Assumptions - reductions in dB – compared to 1999: Light Duty Vehicles: Heavy Duty Vehicles: YearEngine noise Tyre noise 2011 - 1.5 2015 - 0.75 Total - 2.25 YearEngine noise Tyre noise 2011 - 1.8 - 0.9 2015 - 0.9 - 0.5 Total - 2.7 -1.4

4 ICT 4 Results: GRB/Germany-proposal Reduction in Leq, compared to 2010. 10000 ADT, 10 % HDV, 50 km/h Year20152020 Lprop - 0.2 -1.1 Lroll - 0.1- 0.6 Ltot - 0.1- 0.8

5 ICT 5 Results: GRB/Germany-proposal Reduction in Leq, compared to 2010. 20000 ADT, 15 % HDV, 80 km/h Year20152020 Lprop - 0.2 Lroll 0- 0.6 Ltot 0- 0.6

6 ICT 6 Scenario 2: Low ambition Assumptions - reductions in dB – both LDV and HDV, compared to 1999: YearEngine noise Tyre noise 2011 - 1 2015 - 1 Total - 2

7 ICT 7 Results: Low ambition; -2 dB engine and – 2 dB tyres Reduction in Leq, compared to 2010. 10000 ADT, 10 % HDV, 50 km/h Year20152020 Lprop - 0.7 -1.5 Lroll - 0.4- 1.1 Ltot - 0.5- 1.3

8 ICT 8 Results: Low ambition; -2 dB engine and – 2 dB tyres Reduction in Leq, compared to 2010. 20000 ADT, 15 % HDV, 80 km/h Year20152020 Lprop - 0.6 -1.4 Lroll - 0.4- 1.1 Ltot - 0.4- 1.2

9 ICT 9 Scenario 3: High ambition Assumptions - reductions in dB – both LDV and HDV, compared to 1999: YearEngine noise Tyre noise 2008 - 1 - 2011 - 1 - 2 2015 - 1 - 2 Total - 3 - 4

10 ICT 10 Results: High ambition; -3 dB engine and – 4 dB tyres Reduction in Leq, compared to 2010. 10000 ADT, 10 % HDV, 50 km/h Year20152020 Lprop - 1.0 -2.1 Lroll - 0.7- 2.1 Ltot - 0.8- 2.1

11 ICT 11 Results: High ambition; -3 dB engine and – 4 dB tyres Reduction in Leq, compared to 2010. 20000 ADT, 15 % HDV, 80 km/h Year20152020 Lprop - 1.0 -2.1 Lroll - 0.7- 2.2 Ltot - 0.8- 2.1

12 ICT 12 Scenario 4: Very high ambition Assumptions - reductions in dB – both LDV and HDV, compared to 1999: YearEngine noise Tyre noise 2008 - 2 - 2011 - 2 2015 - 2 Total - 6 - 4

13 ICT 13 Results: Very high ambition; - 6 dB engine and – 4 dB tyres Reduction in Leq, compared to 2010. 10000 ADT, 10 % HDV, 50 km/h Year20152020 Lprop - 1.4 -3.5 Lroll - 0.7- 2.1 Ltot - 1.0- 2.7

14 ICT 14 Results: Very high ambition; - 6 dB engine and – 4 dB tyres Reduction in Leq, compared to 2010. 20000 ADT, 15 % HDV, 80 km/h Year20152020 Lprop - 1.4 -3.5 Lroll - 0.7- 2.2 Ltot - 0.8- 2.4

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