Air bubble techniques
Air bubble techniques are based on the bubble barrier produced when compressed air is fed into a submerged, perforated hose, creating a series of bubble plumes rising from the holes. The rising bubbles cause a vertical current of air and water to flow to the surface, in turn generating a flow of water towards the barrier in the lower layer of water and away from the barrier in the upper layer. This has a mixing function, which can be useful in aerating a stagnant lake.
Table I describes and illustrates various techniques developed by a major manufacturing company.
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Pumping system hydraulic characteristics:System characteristics
Objectives of the guide
Valves and Sensors:Air flow measurement
Applications on pneumatic:Air films
Gas–solid separation devices:Separation requirements and Separation mechanisms.
Pipelines and valves:Wall thickness
Hydraulic accessories:Flexible hoses.
Fine material:Dense phase conveying of cement
COMPRESSORS:Dynamics
BASIC HYDRAULICS:USE OF HYDRAULICS
Hydraulic cylinders:Cylinder mountings.
ENERGY TRANSFER BY HEAT,WORK,AND MASS:ENERGY TRANSFER BY WORK
RADIATION HEAT TRANSFER: BLACK SURFACES
NATURAL CONVECTION:NATURAL CONVECTION OVER SURFACES