Fig. 1 Driving current wave of piezo injector
Fig. 2 Nozzle opening/closing stage of piezo injector
Fig. 3 Flow chart showing hydraulic circuit system of piezo injector
Fig. 5 Verification of new analytic model with experi-mental result
Fig. 6 Verification of new analytic model at control chamber
Fig. 7 Verification of new analytic model at delivery chamber
Fig. 10 Kinematic viscosity at control chamber, pilot valve, nozzle
Fig. 11 Fluctuation of fuel density and kinematic viscosity at control chamber and delivery chamber
Fig. 4 AMESim model corresponding to piezo injector's internal structure
Fig. 8 Fuel properties by temperature variation
Fig. 9 Quantity of fuel density at control chamber, pilot valve, nozzle
Fig. 12 Needle displacement and pressure variation at delivery chamber
Fig. 13 Injection rate at difference temperature
Table 1 Specific of Bypass type piezo injector
Table 2 Essential elements list of piezo injector mode in AMESim environment
Table 3 Numerical conditions
References
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