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Wall Wetting Based Acceleration Compensation

Wall Wetting (alpha version)

  • Wall fueling model type: Basic (constants) use the Evaporation Time Constant and Added to Wall Coefficient values for Beta and Tau respectively, Advanced (tables) uses the Wall Wetting AE Evaporation Time and Wall Weeting AE Impact Fraction tables to calculate the Beta and Tau values respectively.

Basic

  • Evaporation Time Constant / Tau: Length of time in seconds the deposited wall fuel takes to dissipate after the start of acceleration. wwaeTau
  • Added to Wall Coeff / beta: Fractional representation of fuel settling on the intake/port walls. 0 = No fuel settling on port walls 1 = All the fuel settling on port walls. Setting this to 0 disables the wall wetting enrichment. wwaeBeta

Advanced

Wall wetting AE evaporation time

Used to calculate the Tau value (wwaeTau) of wall-wetting function.

  • Evap time vs. CLT: Sets the base evaporation time based on CLT. Warmer engines will have a lower evaporation time.
  • Evap time vs. MAP: Sets the multiplier of the base evaporation time based on MAP. Lower MAP values will have a lower multiplier (shorter evaporation time), higher MAP values will have a higher multiplier (longer evaporation time).

Wall wetting AE impact fraction

Used to calculate the Beta value (wwaeBeta) of wall-wetting function.

  • Impact fraction vs. CLT: Sets the base impact fraction based on CLT. Colder engines will have a higher impact fraction (more fuel sticks to the walls), warmer engines will have a lower fraction (more fuel sucked into the intake). Values range from 0 to 1.
  • Impact fraction vs. MAP: Sets the multiplier of the base impact fraction based on MAP. Lower MAP values will have a lower multiplier (more fuel sucked into the intake, higher MAP values will have a higher multiplier (more fuel sticks to the walls).