Browse Publications Technical Papers 2004-01-0022

Performance Evaluation of a Multi-Burst Rapidly Operating Secondary Actuator Applied to Diesel Injection System 2004-01-0022

The authors are conducting tests of a newly devised rapidly operating secondary actuator (ROSA) aimed at providing controllable multiple injection. An injection test cell has been constructed. Two test setups are available for both diesel spray visualization and flow rate measurements. Up to six shots per cycle were implemented. A high-speed digital camera was used to have accurate data regarding spray dynamics. Processed data are obtained for liquid jet tip velocity, injection shots duration, and their delay with regard to electric setup. The stability of phasing lies within 50 μs. The shortest injection shot duration is 74 μs, maximum variability of duration is 50 μs.


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