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2. Ultrasonic nozzle - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_Nozzle

   In 1962 Dr. Robert Lang followed up on this work, essentially proving a correlation between his atomized droplet size relative to Rayleigh's liquid wavelength. [1] Ultrasonic nozzles were first commercialized by Dr. Harvey L. Berger. US A 3861852, "Fuel burner with improved ultrasonic atomizer", published Jan 21, 1975, assigned to Harvey Berger .

3. Analytical nebulizer - Wikipedia

   en.wikipedia.org/wiki/Analytical_nebulizer

   This makes a fine mist with a droplet size proportional to the hole size. This method requires no gas flow, and is used in conjunction with a chamber. If the droplets are less than 5μm then they are too small to stick to the chamber walls and the chamber remains dry while 90–100% of the sample makes it to the torch.

4. Respiratory droplet - Wikipedia

   en.wikipedia.org/wiki/Respiratory_droplet

   [1] [2] [3] Droplet sizes range from < 1 μm to 1000 μm, [1] [2] and in typical breath there are around 100 droplets per litre of breath. So for a breathing rate of 10 litres per minute this means roughly 1000 droplets per minute, the vast majority of which are a few micrometres across or smaller.

5. Spray nozzle - Wikipedia

   en.wikipedia.org/wiki/Spray_nozzle

   Many applications use two-fluid nozzles to achieve a controlled small drop size over a range of operation. Each nozzle has a performance curve, and the liquid and gas flow rates determine the drop size. [5] Excessive drop size can lead to catastrophic equipment failure or may have an adverse effect on the process or product.

6. Spray (liquid drop) - Wikipedia

   en.wikipedia.org/wiki/Spray_(liquid_drop)

   Drop size expressed in terms of the volume of liquid sprayed. Drop size measured in terms of volume (or mass), with 50% of total volume of liquid sprayed drops with diameters larger than median value and 50% with smaller diameter. Drop sizes are stated in micrometers (μm). One micrometer equals 1/25,400 inch.

7. Droplet-based microfluidics - Wikipedia

   en.wikipedia.org/wiki/Droplet-based_Microfluidics

   Droplet-based microfluidics often operate under low Reynolds numbers to ensure laminar flow within the system. [2] Droplet size is often quantified with coefficient of variation (CV) as a description of the standard deviation from the mean droplet size. Each of the listed methods provide a way to generate microfluidic droplets in a controllable ...