Development of multi-focus particle analyzer with bundle fiber

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Atomization of fuel spray is required for reduction of emissions in a diesel engine. In order to measure high-speed and high-density particulates quantitatively, a new measurement device needs to develop. In this research, a new multi-point measurement system is developed with featuring a bundle fiber. The measurement volume has micro-probe structure with two foci, and the particle velocity and size of diesel fuel are measured simultaneously at multi-point.