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2. Faucet aerator - Wikipedia

   en.wikipedia.org/wiki/Faucet_aerator

   Aerator assembly diagram. Aeration occurs in two basic steps: [2] [4] Air is drawn into the water stream, breaking the stream into a flow of tiny droplets mixed with air. The mixture of air and water passes through a screen, further mixing the air and water and evenly spreading out the resulting stream.

3. Low-flow fixtures - Wikipedia

   en.wikipedia.org/wiki/Low-flow_fixtures

   Faucets that meet energy efficiency standards for WaterSense mustn’t use more than 1.5 gpm, a 32% decrease in flow rate over the federal requirement. Reduced flow faucets often make use of flow restrictors or faucet aerators to reduce the flowrate of the water. Using a faucet with an aerator results in an average 42% reduction in water usage ...

4. Tap (valve) - Wikipedia

   en.wikipedia.org/wiki/Tap_(valve)

   Modern taps often have aerators at the tip to limit water flow and introduce air in the form of bubbles to reduce splashing. Without an aerator, water usually flows out of the tap in one big stream. An aerator spreads the water flow into many small droplets.

5. Air gap (plumbing) - Wikipedia

   en.wikipedia.org/wiki/Air_gap_(plumbing)

   A common use of the term "air gap" in domestic plumbing refers to a specialized fixture that provides backflow prevention for an installed dishwasher. This "air gap" is visible above the sink as a small cylindrical fixture mounted near the faucet. In the base cabinet under the sink, the drain hose from the dishwasher feeds the "top" of the air ...

6. Laminar flow - Wikipedia

   en.wikipedia.org/wiki/Laminar_flow

   DH is the hydraulic diameter of the pipe (m); Q is the volumetric flow rate (m 3 /s); A is the pipe's cross-sectional area (m 2 ); u is the mean speed of the fluid ( SI units: m/s); μ is the dynamic viscosity of the fluid (Pa·s = N·s/m 2 = kg/ (m·s)); ν is the kinematic viscosity of the fluid, ν = μ. /. ρ (m 2 /s);

7. Water aeration - Wikipedia

   en.wikipedia.org/wiki/Water_aeration

   Any procedure by which oxygen is added to water can be considered a type of water aeration. There are many ways to aerate water, but these all fall into two broad areas – surface aeration and subsurface aeration. A variety of techniques and technologies are available for both approaches.