1994-09-01

Number-Based Droplet Velocity Distribution in High Pressure Diesel Fuel Sprays 941689

Using a Laser Doppler Velocimetry with Burst Spectrum Analyzer (LDV-BSA), droplet velocities of a diesel fuel spray under a pressure higher than 100 MPa were measured at different points within the spray profile. Results show that although the mean velocity distribution at the sampling plane is rather uniform, the number-based droplet velocity distributions of two sampling points at the same plane are different. The conclusions agree with theoretical predictions through maximum entropy principle qualitatively.

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