I see. This info helps, thank you, Michael!

Michael Behrisch <[email protected]> 于2022年12月11日周日 23:50写道:

> Hi,
> the parameters have always been for milligrams. Before the change in
> 1.14.0 we just calculated the ml values ourselves by applying an average
> density for gasoline / diesel, see
>
> https://github.com/eclipse/sumo/blob/main/src/utils/emissions/HelpersHBEFA3.h#L106
>
> Best regards,
> Michael
>
> Am 11.12.22 um 20:59 schrieb Chen Di:
> > Thanks Jakob, that helps!
> > A follow-up question is, these parameters are serving for milligram. So
> > I was wondering if the parameter values for liters are still public. If
> > so, where can I find them?
> >
> > Thanks,
> >
> > Jakob Erdmann <[email protected] <mailto:[email protected]>> 于
> > 2022年12月11日周日 03:48写道:
> >
> >     The parameters for all models are embedded in the source files:
> >
> https://github.com/eclipse/sumo/blob/main/src/utils/emissions/HelpersHBEFA.cpp
> <
> https://github.com/eclipse/sumo/blob/main/src/utils/emissions/HelpersHBEFA.cpp
> >
> >
> https://github.com/eclipse/sumo/blob/main/src/utils/emissions/HelpersHBEFA3.cpp
> <
> https://github.com/eclipse/sumo/blob/main/src/utils/emissions/HelpersHBEFA3.cpp
> >
> >
> https://github.com/eclipse/sumo/blob/main/src/utils/emissions/HelpersHBEFA4.cpp
> <
> https://github.com/eclipse/sumo/blob/main/src/utils/emissions/HelpersHBEFA4.cpp
> >
> >
> >     Am So., 11. Dez. 2022 um 09:04 Uhr schrieb Chen Di
> >     <[email protected] <mailto:[email protected]>>:
> >
> >         Dear Mr./Mrs.,
> >
> >         I am aware that vehicle fuel consumption information can be
> >         retrieved from travi.vehicle.getFuelConsumption. However, I
> >         would like to know the specific fuel consumption model that is
> >         used and the parameter values of it. I found the model from this
> >         paper (https://elib.dlr.de/89398/1/2ndGenEmissions.pdf
> >         <https://elib.dlr.de/89398/1/2ndGenEmissions.pdf>, equation
> >         1-1). However, I did not find values of parameters c0-c5). Could
> >         you give any clue on this?
> >
> >         Thanks in advance!
> >
> >         Best,
> >         Cindy
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