free convection


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

free convection

[¦frē kən′vek·shən]
(thermodynamics)

natural convection

The convection resulting from the flow of air caused by temperature differences in an enclosed space, as opposed to the flow of air caused by a fan. Also known as free convection.
References in periodicals archive ?
Ellahi, "Influence of Induced Magnetic Field on Free Convection of Nanofluid Considering Koo-Kleinstreuer-Li (KKL) Correlation," Applied Sciences (Switzerland), vol.
[9] have studied free convection on flow past an accelerated vertical plate in the presence of viscous dissipative heat using perturbation method.
Free convection cannot be precisely measured or even estimated since there are too many unknown parameters, such as temperature distributions (or gradients), ventilation from other devices (or the air conditioning system) and surface conditions of the electrical drive.
Makinde [18] examined the transient free convection interaction with thermal radiation of an absorbing emitting fluid along moving vertical permeable plate.
In this paper the three-dimensional laminar free convection stagnation-point flow of a nanofluid on a general curved isothermal surface is considered.
[8] analysed free convection flow with variable suction in presence of thermal radiation.
Nath, "Unsteady free convection flow over a continuous moving vertical surface," Acta Mechanica, vol.
Free convection of non-Newtonian nanofluids about a vertical truncated cone in a porous medium, International Communications in Heat and Mass Transfer, Vol.
The airflow at the vicinity of the doctor is a complex interaction of the background ventilation flow and the free convection flow around the body.
[7.] Grosan, T., Revnic, C., Pop, I., and Ingham, D.B.: Magnetic field and internal heat Generation Effects on the Free Convection in a Rectangular Cavity filled with a Porous Medium: International Communications in Heat and Mass Transfer, 52, 1525-1533, (2009).
[11] studied magnetohydrodynamic free convection along a vertical wavy surface.
where [[alpha].sub.w]--the coefficient of heat penetration caused by forced convection, W/([m.sup.2] x K); [[alpha].sub.s]--the coefficient of heat penetration caused by free convection, W/([m.sup.2] x K); [[alpha].sub.r]--the replacement coefficient of heat penetration by radiation, W/([m.sup.2] x K).