ASEP Test results Replacement exhaust systems
11
ASEP Test results Replacement exhaust systems CLEPA 07 FEB 2012 Luk Dedene / Rudi Valgaeren Informal document GRB-55-11 (55th GRB, 7-9 February 2012, agenda item 4)
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ASEP Test results Replacement exhaust systems. CLEPA07 FEB 2012 Luk Dedene / Rudi Valgaeren. Overview. 7 vehicles tested according to ASEP procedure Diesel and petrol Vehicle APMR = 44.8 Vehicle BPMR = 52.9 Vehicle CPMR = 72.9 Vehicle DPMR = 52.3 Vehicle EPMR = 46.6 - PowerPoint PPT Presentation
Transcript of ASEP Test results Replacement exhaust systems
ASEP Test resultsReplacement exhaust systems
CLEPA 07 FEB 2012Luk Dedene / Rudi Valgaeren
Informal document GRB-55-11(55th GRB, 7-9 February 2012, agenda item 4)
Overview
• 7 vehicles tested according to ASEP procedure
• Diesel and petrol• Vehicle A PMR = 44.8• Vehicle B PMR = 52.9• Vehicle C PMR = 72.9 • Vehicle D PMR = 52.3• Vehicle E PMR = 46.6• Vehicle F PMR = 53.4• Vehicle G PMR = 51.4
L urban
[dBA] Original Replacement
Vehicle A 69.0 69.3
Vehicle B 72.5 72.3
Vehicle C 69.0 68.7
Vehicle D 70.1 70.2
Vehicle E 68.2 68.5
Vehicle F 69.5 70.3
Vehicle G 71.2 71.0
ASEP: Vehicle A
Original ReplacementGear i
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000 5000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Gear i
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000 5000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Lwot = 68.9dBA at 2917rpm
Slope = 4.9 dBA/1000rpm (Y=1)
Lwot = 69.2dBA at 2895rpm
Slope = 5.0 dBA/1000rpm (Y=1)
ASEP: Vehicle B
Original ReplacementGear i
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Gear i+1
60.00
65.00
70.00
75.00
80.00
900 1400 1900 2400
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Gear i
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Gear i+1
60.00
65.00
70.00
75.00
80.00
1000 1500 2000 2500
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Lwot = 72.8dBA at 2325rpm
Slope = 5.0dBA/1000rpm (Y=1)
Lwot = 73.0dBA at 2343rpm
Slope = 5.0dBA/1000rpm (Y=1)
Lwot = 71.1dBA at 1530rpm
Slope = 5.0dBA/1000rpm (Y=1)
Lwot = 71.6dBA at 1538rpm
Slope = 5.0dBA/1000rpm (Y=1)
ASEP: Vehicle C
Original Replacement
60,00
65,00
70,00
75,00
80,00
1000 2000 3000 4000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
1000 2000 3000 4000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
ASEP: Vehicle D
Original Replacement
60,00
65,00
70,00
75,00
80,00
1000 2000 3000 4000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
1000 1500 2000 2500
L_A
SE
P
Engine speed [rpm]
Gear i+1
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
1000 2000 3000 4000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
900 1400 1900 2400
L_A
SE
P
Engine speed [rpm]
Gear i+1
Measurement points
Limit
ASEP: Vehicle E
Original Replacement
60,00
65,00
70,00
75,00
80,00
1000 3000 5000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
1000 3000 5000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
ASEP: Vehicle F
Original ReplacementGear i
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000 5000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Gear i+1
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Gear i
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000 5000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Gear i+1
60.00
65.00
70.00
75.00
80.00
1000 2000 3000 4000
Engine speed [rpm]
L_A
SE
P
Measurement points
Limit
Lwot = 72.0dBA at 4217 rpm
Slope = 5.0dBA/1000rpm (Y=1)Lwot = 73.4dBA at 4155 rpm
Slope = 4.6 dBA/1000rpm (Y=1)
Lwot = 69.7dBA at 2706rpm
Slope = 5.0dBA/1000rpm (Y=1)
Lwot = 68.5dBA at 2722 rpm
Slope = 5.0dBA/1000rpm (Y=1)
ASEP: Vehicle G
Original Replacement
60,00
65,00
70,00
75,00
80,00
1000 2000 3000 4000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
900 1400 1900 2400
L_A
SE
P
Engine speed [rpm]
Gear i+1
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
1000 2000 3000 4000
L_A
SE
P
Engine speed [rpm]
Gear i
Measurement points
Limit
60,00
65,00
70,00
75,00
80,00
1000 1500 2000 2500
L_A
SE
P
Engine speed [rpm]
Gear i+1
Measurement points
Limit
THANK YOU
