D5 Annex report WP 4 - ETIS plus
D5 Annex report WP 4 - ETIS plus
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 V40<br />
Method variable V41<br />
Method variable V42<br />
Method variable V43<br />
Method variable V44<br />
Method variable V45<br />
Method variable V47<br />
Method variable V48<br />
S fi = average hot and warm soak emission factor of<br />
gasoline powered vehicles equipped with fuel<br />
injection<br />
R= hot and warm running losses<br />
q= fraction of gasoline powered vehicles with fuel<br />
injection<br />
p= fraction of trips finished with hot engine<br />
(dependent on average monthly ambient temperature)<br />
x= mean number of trips of a vehicle per day, average<br />
over the year<br />
w= fraction of trips finished with cold or warm engine<br />
(shorter trips) or with catalyst below its lightoff<br />
temperature<br />
Road type*<br />
Road gradient distribution*<br />
Method variable V49 Temperature* Model default from COMMUTE can be used if case specific<br />
data not available<br />
Method variable V50<br />
Traffic amount, m= total annual mileage of gasoline<br />
powered vehicles of category j*<br />
Method variable V51 Average trip length* Updated model default from COMMUTE<br />
Document3<br />
27 May 2004<br />
107
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