Final answer:
Entrainment devices, such as aspirators, use the Bernoulli principle to create suction and move fluids from one place to another using a vacuum generated by a high-speed fluid jet.
Step-by-step explanation:
For operations where suction is required from one source and discharged to another, entrainment devices are commonly used. These devices utilize the Bernoulli principle, where increased fluid speed creates low pressures, enabling the movement of one fluid into another—the process known as entrainment. Examples of such devices include the aspirators used in dental and surgical situations, or for draining flooded areas, and the Bunsen burner, which entrains air for proper combustion.
Aspirators in particular are versatile and can create suction to move liquids, often in the form of a high-speed water jet that produces a vacuum effect. This can be employed for various purposes, such as draining, medical procedures, or creating reduced pressure environments. The common principle in these devices is manipulating the pressure and velocity of fluids to achieve the desired flow.