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The estimation model estimates the IMEP of each cylinder.
For each spark timing, the IMEP variation was lower than 5% for all engine conditions and fuels.
These competing effects cause there to be a maximum in the IMEP as a function of ignition timing advance.
The IMEP estimation algorithm and torque balance controller were embedded and validated in a real-time engine management system.
In conclusion, torque balance control can use estimated IMEP to reduce the IMEP variation of each cylinder.
For each fuel, the IMEP of CV injection was higher than that of OV, in agreement with previous works [20, 29].
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Thirty-seven participants from 25 countries reported results in IMEP-116, and 62 laboratories from 36 countries reported for the IMEP-39 study.
But, at the same IMEP as the 4-stroke operation, the 2-stroke CAI operation results in 29% reduction in BSFC, indicating its potential synergy with highly downsized direct injection gasoline engines for much better fuel economy and performance.
The direct problems of the estimation of the angle of 50% of fuel mass fraction burnt (MFB50) and of the Indicated Mean Effective Pressure (IMEP) are addressed as well as the inverse problems of determining optimal start of injection (SOI) timing for target values of MFB50 and IMEP.
Below are our humanitarian evaluations scheduled in the Integrated Monitoring & Evaluation Framework (IMEP), which is developed in consultation with the Evaluation Committee.
Further study on the transient development of in-cylinder flames shows that flash boiling spray leads to higher propagation rate of the blue flame, and a subsequent statistical analysis shows a positive correlation between IMEP and the propagation rate of the blue flame.
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