density current


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density current

[′den·səd·ē ‚kər·ənt]
(meteorology)
Intrusion of a dense air mass beneath a lighter air mass; the usage applies to cold fronts.
(oceanography)
References in periodicals archive ?
Connectors have evolved to meet the sometimes conflicting series of packaging and performance challenges including higher: Pin counts Signal density Current density Signal speeds Mechanical durability Signal integrity Environmental resistance All at a lower cost and delivered in a highly competitive global market.
This implies that the average probability density current is zero, i.
Formally, following standard techniques and considering the ZPF properties, at each position there is a diffusion of probability density currents (Pv), in such a way that
investigating the amount and method of sedimentation in Maroon reservoir and the impacts of density current on it, the model was implemented in two steps in order to compare different states: a) implementing the model for different periods of time ranging from 5 years to 100 years in normal condition i.
with and without considering density current effects, gives the following results which will be discussed separately:
P tephrostratigraphy related to the main explosive activity; 2) different pyroclastic density current deposits; 3) typical horseshoe-shaped amphitheatres and their associated debris avalanche deposits, and; 4) lava domes and lava flows.
2 m thick) related to a diluted pyroclastic density current.
In the laboratory experiments, the density current enters the channel via a sluice gate into a lighter ambient fluid and moves forward down-slope.
Keywords: Density current, turbulence model, 3-D flow simulation, confined and unconfined straight channel.
We took on the modeling of enormously complicated pyroclastic density currents, notably the classic, notorious May 1980 lateral blast that destroyed 500 square kilometers of forested terrain at Mount St.
These density currents could then carry the gas into the deep sea, where it would eventually disperse.
The researchers have revealed that the new type of LED achieves a notable reduction in "efficiency droop", a well-known phenomenon that provokes LEDs to be most efficient when receiving low-density currents of electricity, but then to lose efficiency as higher density currents of electricity are fed into the device.