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Venturi aeration is a highly effective technique for enhancing dissolved oxygen levels in fish farming. This method employs a Venturi tube that accelerates water through a narrow nozzle, generating a low-pressure zone that draws air in through a side inlet. The air mixes with the water, producing fine bubbles that increase the surface area in contact with the liquid, thus boosting dissolved oxygen levels. This efficient approach does not require complex or costly equipment and significantly improves water quality and fish health.
This increased flow speed at the constriction creates a temporary low-pressure zone, while the pressure in other parts of the pipe remains higher. This pressure difference causes fluid from surrounding areas to move toward the constricted point.
In various applications, including fluid piping systems, this principle effectively draws liquids toward regions of lower pressure. Ultimately, the vacuum created by the fast-moving fluid facilitates the discharge of liquid through other pipes.