[CAR SIM] "Advanced" aerodynamics: Drafting / slipstreaming

Marcell Baranyai · 2019-12-30T21:03:02

Hi, I dusted off my old car sim project recently and started adding some AI, and it urged the need for some more advanced aerodynamic calculations. Namely: slipstreaming. I searched the net and it's pretty difficult to find anything that is useful physics wise. What I imagined so far is a sort of cone behind the car that has a length and width and depending on where my car is inside that cone I "guess" a value that scales the drag/downforce. but, I believe it's not that simple, as it generates some suction, and is highly related to the speed and probably not a linear thing. Also I found a note about the rear car is pushing the air, so it affects (speeds up) the leading car. More concerns: How it affects air speed that cools down brakes and tires, and what about "dirty" turbulent air? So, does anyone have any experience on this? Some direction or fact that I can hook on? thanks in advance

Math and Physics Programming

Started by bmarci November 20, 2019 12:02 PM

10 comments, last by Jaroslaw Dekowski 5 years, 1 month ago

Jaroslaw Dekowski

December 30, 2019 09:03 PM

It will impact forward cooler efficiency significantly (reduced it around by 1/(drag reduction) ). For breaks it depends, if it is F1 or car has special scoops in the front to cool brakes than it will impact but less then the front cooler. If it is other car it would not change anything significantly.

[CAR SIM] "Advanced" aerodynamics: Drafting / slipstreaming

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[CAR SIM] "Advanced" aerodynamics: Drafting / slipstreaming

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