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 />
In the case of passenger cars, where load is considered not to affect emissions and consumption, this equation is further simplified:<br />
x<br />
å<br />
e c = ( ps × a s ) × e<br />
i, v , k i, v , s i, v , k , s i, v , k<br />
s = 1<br />
For the calculation of the corrected hot emissions / consumption of the vehicle fleet, the equation for the basic hot emissions has to<br />
be converted to:<br />
i = categories<br />
æ<br />
EC = å ç n × l × p × ec<br />
è<br />
w<br />
å ( )<br />
hot , k i i i , v i , v , k<br />
i = 1<br />
v = 1<br />
ö<br />
÷<br />
ø<br />
Effectively, the product n i .l i in the above equation corresponds to “vehiclekilometre” (number of vehicles by travel distance) for<br />
each vehicle category i.<br />
For gasoline (with and without catalyst) and diesel cars (without catalyst), the formula for excess emission (or excess consumption)<br />
is in the following form:<br />
excess emissions= w×[f(V)+g(T)1]×h(d)<br />
engine start temperature (in °C) for starts at an intermediate temperature<br />
d = d / d c<br />
Document3<br />
27 May 2004<br />
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