Experiments and Lagrangian simulations on the formation of droplets in drop-on-demand mode
JR Castrejón-Pita, NF Morrison, OG Harlen… - Physical Review E …, 2011 - APS
Physical Review E—Statistical, Nonlinear, and Soft Matter Physics, 2011•APS
The creation and evolution of millimeter-sized droplets of a Newtonian liquid generated on
demand by the action of pressure pulses were studied experimentally and simulated
numerically. The velocity response within a model, large-scale printhead was recorded by
laser Doppler anemometry, and the waveform was used in Lagrangian finite-element
simulations as an input. Droplet shapes and positions were observed by shadowgraphy and
compared with their numerically obtained analogues.
demand by the action of pressure pulses were studied experimentally and simulated
numerically. The velocity response within a model, large-scale printhead was recorded by
laser Doppler anemometry, and the waveform was used in Lagrangian finite-element
simulations as an input. Droplet shapes and positions were observed by shadowgraphy and
compared with their numerically obtained analogues.
The creation and evolution of millimeter-sized droplets of a Newtonian liquid generated on demand by the action of pressure pulses were studied experimentally and simulated numerically. The velocity response within a model, large-scale printhead was recorded by laser Doppler anemometry, and the waveform was used in Lagrangian finite-element simulations as an input. Droplet shapes and positions were observed by shadowgraphy and compared with their numerically obtained analogues.
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