To comply with given limits regarding consumption, emissions and noise of common rail (CR) injection systems, an exact control of the injection process has to be achieved over the whole live cycle of the injectors. Particularly aging of the injector nozzle in the form of pollution, cavitation and coking negatively influences the injection behaviour. In this thesis concepts for the detection and compensation of these aging effects are developed based on a simulation model, which is validated with measured data.
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To comply with given limits regarding consumption, emissions and noise of common rail (CR) injection systems, an exact control of the injection process has to be achieved over the whole live cycle of the injectors. Particularly aging of the injector nozzle in the form of pollution, cavitation and coking negatively influences the injection behaviour. In this thesis concepts for the detection and compensation of these aging effects are developed based on a simulation model, which is validated with...
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