Jetting action

The relief valve must be installed so that gases are routed to a sale location. In small facilities and remote locations this is accomplished with a simple tail pipe, which points the discharge vertically upvsard anlower flammable limit in approximately 120 pipe diameters. Liquids may fall back on the equipment. 

Entrainment about three times that of perforated type plate or sieve tray. Jet-action accompanies bubbling. 

Steam jet action in which water is chilled by evaporation in a chamber maintained at low pressure by means of a steam jet ejector. A temperature is 55°F or so is commonly attained, but down to 40°F may be feasible. Brines also can be chilled by evaporation to below 32°F. 

To enhance the turbulence at the very point of injection, it is often helpful to narrow the stream into a jet. This has two positive effects. Additional turbulence is generated by the jet action that enhances mixing. Also, the increased momentum of the jet carries the feed farther into the bulk, enlarging the feed mixing zone therefore, decreasing the local maximum supersaturation occurring there. 

INDUCTION - The capture of part of the ambient air by the jet action of the primary air stream discharging from a controlled device. 

The jetting mechanism propels small dots at rates up to 200 Hz in four software-controlled modes distance based, time based, fixed number of dots per line, and continuous line with breaks, enabling the construction of many different sizes and shapes of dots and lines. Because the momentum of the fluid comes from the jetting action, proximity to the substrate (dispense gap) is much less critical than it is in needle dispensing. 

However, if the wear-induced break occurs in steam tubes, the expanding steam escaping at high velocity causes erosion on adjacent tubes. Although in this case there are again solid particles entrained in the flue gas, microscopic observation of the affected surface shows that, unlike the situation with particle jet wear, there is a ripple structure typical of steam jet action. 

PIANC Bulletin, Special issue on propeller jet action, erosion and stabihty criteria near the harbour quays, Pianc Bulletin no. 58, Brussels, Belgium (1987). 

Fluid application, ultrasonic Cleaning or rinsing using the jetting action of the collapse of cavitation bubbles in contact with a surface to provide agitation. Frequencies in the range of 20 to 100 kHz. 

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