ducting


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Related to ducting: Tropospheric ducting

ducting

[′dək·tiŋ]
(geophysics)
An atmospheric condition in the troposphere in which temperature inversions cause microwave beams to refract up and down between two air layers, so that microwave signals travel 10 or more times farther than the normal line-of-sight limit. Also known as superrefraction; tropospheric ducting.
References in periodicals archive ?
The test ducting consisted of 5' long sections with stiffening creases every 12" and a 1-1/2" angle support bars every 2'-6" running along the exterior of the 48" width of the cross section.
Figure 1 shows the fan exhausting in an up blast position, with a straight length of duct 48" long, and then the elbow at the inlet to the fixed section of ducting.
Intake ducting starts with the large main duct, which goes from the blower to the cooling coil, then to the flow control device (if there is one), and then to the distributor, which splits the airflow into a number of smaller pipes in a circle around the die.
These include leaking joints and seams and over-use of flexible ducting, which can't withstand high pressure and vacuum in the system and collapses.
Fiberglass in ducting - it's a real concern,'' Dennis Martinez, program manager overseeing all BB bond work, told a citizen's oversight committee recently.
To vent your dryer properly, the use of four-inch-diameter, smooth-walled rigid metal ducting is advised.
built light trucks as another entry point for 3D ducting in the region.
Turbo-chargers compress air and boost air temperature, so longer, more convoluted flow paths for hot- and cold-side ducting are typically required.
Another focus for blow molding is heating, ventilating, and air-conditioning (HVAC) reservoirs and ducting.