Environmental Engineering Reference
In-Depth Information
UN/ECE elementary urban cycle (Part 1)
Length = 195 s, distance = 0.944 km, average speed = 18.35 kph
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Test time (s)
(a)
UN/ECE extra-urban driving cycle (P
art
2)
Length = 400 s, distance = 6.955 km, average speed = 62.59 kph
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(b)
UN/ECE extra-urban driving cycle (Part 2) for low powered vehicles
Length = 400 s, distance = 6.609 km, average speed = 59.48 kph
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Test time (s)
(c)
Figure 9.12 Dynamometer test and validation per NEDC (courtesy Automotive
Testing Laboratories, Inc. [9]): (a) ECE cycle (i.e. first set of events
on NEDC), (b) ECE-extra urban cycle, (c) ECE cycle for low
powered vehicles
