Search results
Results from the WOW.Com Content Network
Installation of a hydrodynamic separator along an Arizona highway. In civil engineering (specifically hydraulic engineering), a hydrodynamic separator (HDS), also called a swirl separator, is a stormwater management device that uses cyclonic separation to control water pollution.
changing the grain size of the material; changing the slurry mass percentage [3] adjusting the cutter bar positions; running the output of one spiral separator (often, a third, intermediate, cut) through a second. adding washwater inlets along the length of the spiral, to aid in separating light minerals
A water tunnel is an experimental facility used for testing the hydrodynamic behavior of submerged bodies in flowing water. It functions similar to a recirculating wind tunnel , but uses water as the working fluid, and related phenomena are investigated, such as measuring the forces on scale models of submarines or lift and drag on hydrofoils .
In a centrifugal oil and water separator, the force of gravity is one-thousand [citation needed] times greater that of the coalescing plate pack separator or the petrol interceptor, so the separation is much greater. Not only is the force of separation greater, but there are fewer working parts so maintenance is much easier and cheaper.
Plate length: Depending on the scale of the system, total plate lengths can vary, however, the plate length should allow for the plates to rise 125 mm above the top water level, with 1.5 m of space left below the plates at the bottom of the clarifier for collection of sludge. [7] Most plates have a length of 1–2 m. [14]
The size range of nozzle is between 0.5 mm diameter openings (for small centrifuges) to 3.2 mm diameter openings (for larger centrifuges). [12] The quantity of nozzles per centrifuge depends on the size of centrifuges, which is typically ranged from 12 to 24 mm.
The thermal entrance length for a fluid with a Prandtl number greater than one will be longer than the hydrodynamic entrance length, and shorter if the Prandtl number is less than one. For example, molten sodium has a low Prandtl number of 0.004, [ 12 ] so the thermal entrance length will be significantly shorter than the hydraulic entrance length.
The consumer will most likely consider indices which have a more directly measurable difference in the overall system, like the amount of product gas divided by the system weight and size, the system initial and maintenance costs, the system power consumption or other operational costs, and reliability.