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Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles. It comprises a can or bottle that contains a payload, and a propellant under pressure. When the container's valve is opened, the payload is forced out of a small opening and emerges as an aerosol or mist. Aerosol spray can
Refillable bottle with pump dispenser for liquid soap. A pump dispenser is used on containers of liquids to help dispensing. They might be used on bottles, jars, or tubes. Often the contents are viscous liquids such as creams and lotions. [1] Some are metered to provide uniform usage. Some mix contents from two or more sources prior to dispensing.
A foam pump, or squeeze foamer and dispensing device is a non-aerosol way of dispensing liquid materials. [1] The foam pump outputs the liquid in the form of foam and it is operated by squeezing. The parts of the foam pump, mostly made from polypropylene (PP), are similar to those of other pump devices. The foaming pump often comes with a ...
Jet-forming dispensing systems are therefore usually operated in the area of lower Weber-numbers. In practice, the calculation of the Weber-number becomes more complicated when fluids with additives are used, which demonstrate a non-Newtonian (i.e. thixotropic) flow behavior and therefore the viscosity during the flow through the nozzle is ...
A wide variety of spray nozzles exist, that make use of one or multiple liquid breakup mechanisms, which can be divided into three categories: liquid sheet breakup, jets and capillary waves. Spray nozzles are of great importance for many applications , where the spray nozzle is designed to have the right spray characteristics .
Bulk reagent dispensers use the following technologies to transfer liquid: Peristaltic pumps, which have the advantage of having a liquid path that can be entirely defined (i.e. silicone tubing), and thus may be able to be used with non-aequeous reagents like certain organic solvents, but have the disadvantage that the pulsatile pressure will often cause aerosolization & large droplet ...