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D5 Annex report WP 4 - ETIS plus

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<strong>D5</strong> <strong>Annex</strong> <strong>WP</strong> 4: <strong>ETIS</strong> DATABASE METHODOLOGY AND DATABASE USER MANUAL – PASSENGER DEMAND<br />

Method variable V12<br />

Method variable V13<br />

Method variable V14<br />

Method variable V15<br />

Method variable V16<br />

Method variable V17<br />

Method variable V18<br />

Method variable V19<br />

Method variable V20<br />

Method variable V21<br />

Method variable V22<br />

Method variable V23<br />

Method variable V24<br />

Method variable V25<br />

Method variable V26<br />

Method variable V27<br />

x= the number of gradient classes<br />

u=the load class<br />

ps= the percentage of annual distance travelled at gradient<br />

class s<br />

αs= the correction factor for gradient class s<br />

pl=the percentage of annual distance travelled at<br />

load class u<br />

αl= the correction factor for load class u<br />

EC= the corrected hot emission/consumption of<br />

the vehicle fleet<br />

n= the number of vehicles<br />

l= the average annual distance travelled<br />

w= number of road types (urban, non­urban,<br />

motorway)<br />

p= the percentage of annual distance travelled<br />

excess emission for a trip, expressed in g<br />

ω= reference excess emission (at 20 °C and 20 km/h)<br />

V= means speed during the cold period (in km/h)<br />

T= ambient temperature (in °C) for cold starts<br />

δ= undimensioned distance<br />

Document3<br />

27 May 2004<br />

105

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