Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Drag reduction modifications in wind tunnel: Audi A2 from Cd 0.288 to 0.204

Vekke · 06-15-2022, 10:47 AM

I am doing CFD simulations with the a2 3L basic body shape. Seems like 230mm diffusor extensions at the same angle is good for -0,013 drop in drag coefficient.
280mm long was good for -0,015

06-15-2022, 10:47 AM	#55 (permalink)
Vekke Mechanical engineer Join Date: Jan 2009 Location: Kitee (Finland) Posts: 1,272 Siitin - '98 Seat Cordoba Vario 90 day: 58.56 mpg (US) VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L Diesel 90 day: 104.94 mpg (US) A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual 90 day: 64.64 mpg (US) Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L 90 day: 54.57 mpg (US) Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual 90 day: 32.98 mpg (US) A2 1.4TDI - '03 Audi A2 1.4 TDI 90 day: 45.68 mpg (US) A2 1.4 LPG - '02 Audi A2 1.4 (75hp) 90 day: 24.67 mpg (US) Thanks: 270 Thanked 841 Times in 414 Posts	I am doing CFD simulations with the a2 3L basic body shape. Seems like 230mm diffusor extensions at the same angle is good for -0,013 drop in drag coefficient. 280mm long was good for -0,015 __________________ https://www.linkedin.com/in/vesatiainen/ Vesa Tiainen innovation engineer and automotive enthusiast Last edited by Vekke; 06-15-2022 at 01:10 PM..