Article Details : |
| | Article Name : | | Cylinder Pressure Variation Modeling inside a
Diesel Engine | Author Name : | | SABIR ABUSHOUSHA AHMED, TAGELSSIR HASSAN HUSSAN, OMER MUSA | Publisher : | | Bridge Center | Article URL : | | | Abstract : | | The in-cylinder pressure is the key of an internal combustion
engine. Since direct measurement is not feasible, effort has been taken
to find it find theoretical approach. Engine parameters studying by
experimentation time consumes and efforts. Simulation the engine to
find the performance output leads to resource saving. In this study a
four-stroke diesel engine has been modeled to calculate the pressure
inside the combustion chamber, gas and inertia forces instead of
experimental data taken from real engine. The paper investigates the
pressure variation inside a diesel engine during a complete cycle with
respect to the crank angle at a constant speed, without considering
properties change with temperature by proximate the real processes. In
this work a simple method is proposed to estimate the in-cylinder
pressure. The proposed method incorporates a combustion model. The
model results have been compared to real data measured from a 6-
cylinder compression engine. The results demonstrate the method’s
capability to update the model parameters, such that accurate incylinder pressure estimations are possible even under the influence of
unknown disturbances. | Keywords : | | in- Cylinder pressure, Engine Model, diesel engine. |
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