Journal
AIAA JOURNAL
Volume 42, Issue 12, Pages 2529-2540Publisher
AMER INST AERONAUT ASTRONAUT
DOI: 10.2514/1.3749
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An experimental investigation of the primary breakup of round nonturbulent liquid jets in gaseous crossflow, is described. Pulsed shadow,graph and holograph observations were made to determine the following breakup properties: primary breakup regimes, conditions required for the onset of ligament and drop formation, ligament and drop sizes along the liquid surface, drop velocities after breakup, rates of liquid breakup along the liquid surface, conditions required for the breakup of the liquid column as a whole, and liquid column trajectories. These observations were made for round nonturbulent liquid jets in subsonic crossflow at normal temperature and pressure. The results suggest qualitative similarities between the primary breakup of nonturbulent round liquid jets in gaseous crossflow, and the secondary breakup of drops subjected to shock wave disturbances. Phenomenological analyses were effective to help interpret and correlate the new measurements of the primary breakup properties of nonturbulent round liquid jets in gaseous crossflow.
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