convection

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Related to Free convection: Level of free convection, Forced convection

current

 [kur´ent]
1. something that flows.
2. specifically, electricity transmitted through a circuit.
alternating current a current that periodically flows in opposite directions; its amplitude fluctuates as a sine wave.
convection current a current caused by movement by convection of warmer fluid into an area of cooler fluid.
direct current a current that flows in one direction only; when modeled as a wave, its amplitude is constant. When used medically it is called galvanic current. This current has distinct and important polarity and marked secondary chemical effects.
galvanic current a steady direct current.
current of injury an electric current that flows between injured myocardium and normal myocardium, because such cells have a reduced membrane potential; it may be either diastolic or systolic.
current of injury, diastolic the current that flows from injured to noninjured tissue during electrical diastole.
current of injury, systolic the current that flows from healthy tissue to injured tissue during electrical systole.
inwardly rectifying current current that rectifies so that it passes more easily towards the interior of a cell.
leakage current the electrical current that exists in the parts or metal case of electrical equipment.
outwardly rectifying current current that rectifies so that it passes more easily towards the exterior of a cell.
potassium rectifying c's transmembrane currents that rectify inwardly or outwardly to make adjustments in cellular functions; they are mainly responsible for the repolarization phase of the action potential. There are at least six mechanisms by which potassium ions move across cardiac cell membranes in the role of rectifier.

con·vec·tion

(kon-vek'shŭn),
Conveyance of heat in liquids or gases by movement of the heated particles, as when the layer of water at the bottom of a heated pot rises or the warm air of a room ascends to the ceiling.
[L. con-veho, pp. -vectus, to carry or bring together]

convection

/con·vec·tion/ (kon-vek´shun) the act of conveying or transmission, specifically transmission of heat in a liquid or gas by bulk movement of heated particles to a cooler area.convec´tive

convection

[kənvek′shən]
Etymology: L, convehere, to bring together
(in physics) the transfer of heat through a gas or liquid by the circulation of heated particles.

con·vec·tion

(kŏn-vek'shŭn)
Conveyance of heat in liquids or gases by movement of the heated particles, as when the layer of water at the bottom of a heated pot rises or the warm air of a room ascends to the ceiling.
[L. con-veho, pp. -vectus, to carry or bring together]

convection

the propagation of heat through liquids and gases by the movement of the heated particles, increasing their kinetic energy.

convection

the act of conveying or transmission; specifically, transmission of heat in a liquid or gas by circulation of heated particles.
References in periodicals archive ?
Whereas, the gap between electric power and coolant heat flow in steady state is caused by free convection and heat flow along the test bench fixtures.
41] studied the heat and mass transfer in unsteady free convection flow with radiation absorption past an impulsively started infinite vertical porous plate subjected to strong magnetic field including the Hall effect.
Thus, when the cough hit the thermal manikin at waist level, part of it moved upward along the body and toward the breathing zone without being much diluted by the free convection and the surrounding room air.
Internal heat generation and radiation effects on a certain free convection flow: International Journal of Nonlinear Science, 9(4), 468-479, (2010).
Effects of temperature dependent thermal conductivity on MHD free convection flow along a vertical flat plate with heat conduction, Nonlinear Analysis: Modelling and Control, 13 (4), pp.
In many industrial applications of transient free convection flow problems, there occurs a heat source or a sink which is either a constant or temperature gradient or temperature dependent heat source.
Magnetic field effects on the free convection and mass transfer flow through porous medium with constant suction and constant heat flux.
Physically this can be justified, because in the process of externally cooling of the plate, the free convection currents travel away from the plate.
In such places, some manufacturers have added small dc-operated pumps, to help the free convection.
The flow of viscous fluid over wavy/corrugated wall(s) in the presence of free convection has been studied because of its several engineering applications mentioned in [9].
This type of convection, in absence of dynamic factors on water-air boundary, is also called free convection.
It allows the import of board designs from CAD and EDA software, performs testing for standard JEDEC forced, free convection slots and custom setups.