D5 Annex report WP 3: ETIS Database methodology ... - ETIS plus

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D5 Annex WP 3: DATABASE METHODOLOGY AND DATABASE USER MANUAL – FREIGHT TRANSPORT DEMAND Method variable V8 Method variable V9 Method variable V10 Method variable V11 Method variable V12 Method variable V13 Method variable V14 Method variable V15 Method variable V16 Method variable V17 Method variable V18 Method variable V19 Method variable V20 Method variable V21 Method variable V22 Method variable V23 Method variable V24 Method variable V25 i=the number of vehicle categories v=the road type, practically signifying the mean speed k=the number of pollutants s= the gradient class x= the number of gradient classes u=the load class ps= the percentage of annual distance travelled at gradient class αs= the correction factor for gradient class s pl=the percentage of annual distance travelled at load class u αl= the correction factor for load class u EC= the corrected hot consumption of the vehicle fleet n= the number of vehicles l= the average annual distance travelled w= number of road types (urban, nonurban, motorway) p= the percentage of annual distance travelled excess consumption for a trip, expressed in g ω= reference excess consumption (at 20 °C and 20 km/h) V= means speed during the cold period (in km/h) 110 Document2 27 may 2004
D5 Annex WP 3: DATABASE METHODOLOGY AND DATABASE USER MANUAL – FREIGHT TRANSPORT DEMAND Method variable V26 Method variable V27 Method variable V28 Method variable V29 Method variable V30 Method variable V31 Method variable V32 Method variable V33 Method variable V34 Method variable V35 Method variable V36 T= ambient temperature (in °C) for cold starts δ= undimensioned distance d= travelled distance d c = cold distance E cold= Cold correction consumption Ec= traffic excess emissions with a cold engine over 1 km for a given pollutant (in g) tfi= traffic flow for the studied vehicle type i (in km · veh) vi= traffic overall average speed for the studied vehicle type i (km/h) s,= season (winter, summer, middle) Road type* Road gradient distribution* Method variable V37 Temperature* Model default from COMMUTE can be used if case specific data not available Method variable V38 Traffic amount, m= total annual mileage of gasoline powered vehicles of category j* Method variable V39 Average trip length* Updated model default from COMMUTE Method variable V40 Average speed* Updated model default from COMMUTE can be used if case specific data not available Document2 27 May 2004 111
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