Quote:
Originally Posted by JulianEdgar
1. Closing off the cooling in low-power electric mode in a Prius tells us nothing relevant to this discussion (which is about BEVs), does it?
2. Cd values (or percentages of total Cd) are used for cooling systems because it is a coefficient. If we used Newtons, we'd need to specify speed. We can easily work out the force for any car for which we have speed, area and cooling drag Cd.
3. Shutters apply equally to all cars these days - ICE, Hybrid, BEV. Cooling drag is with the shutters open ie the cooling system working.
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' ... the drag caused by the cooling system can be measured by simply blocking the radiator.'
Julian Edgar, ' Modifying the Aerodynamics of Your Road Car ', page 120- 121