Application of a high-repetition-rate laser diagnostic system for single-cycle-resolved imaging in internal combustion engines
作者： Johan Hult , Mattias Richter , Jenny Nygren , Marcus Aldén , Anders Hultqvist
DOI: 10.1364/AO.41.005002
关键词:
摘要: High-repetition-rate laser-induced fluorescence measurements of fuel and OH concentrations in internal combustion engines are demonstrated. Series as many eight images, with a temporal resolution ranging from 10 µs to 1 ms, acquired within one engine cycle. A multiple-laser system combination multiple-CCD camera is used for cycle-resolved imaging spark-ignition, direct-injection stratified-charge, homogeneous-charge compression-ignition engines. The recorded data reveal unique information on cycle-to-cycle variations transport combustion. Moreover, the scanning mirror perform instantaneous three-dimensional fuel-concentration measurements.
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