Journal
PHYSICS OF FLUIDS
Volume 33, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0035051
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Funding
- Shenzhen Science and Technology Innovation Committee [JCYJ20170818111558146]
- special funds for the industrial development of the Shenzhen Dapeng New District [KY20180113]
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The study found that pulsating airflow can enhance the effect of droplet breakup, especially when the relative amplitude of the pulsating airflow is 1 and the Womersley number is 96.6.
A three-dimensional physical and mathematical model of the lateral airflow for droplet breakup was established. Numerical simulation was used to study the impact of the pulsating airflow on the droplet breakup process and analyze the variation in deformation rate under different amplitudes and frequencies. The results show that compared with uniform airflow, pulsating airflow can enhance the effect of droplet breakup, with an optimal droplet crushing effect occurring when the relative amplitude of the pulsating airflow was A = 1 and the Womersley number of the pulsating airflow was 96.6.
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