Friction Mean Effective Pressure (FMEP)
FMEP = IMEP − BMEP - the 'lost' pressure to friction. Rising FMEP = bearing/ring wear.
Loading calculator…
Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Indicated MEP | bar | |
| Brake MEP | bar | |
| Friction MEP | bar |
Source: Heywood - Internal Combustion Engine Fundamentals
In short
FMEP = IMEP \u2212 BMEP - the 'lost' pressure to friction.