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convection
(redirected from Convection current)

    Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia, Hutchinson 0.42 sec.
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
con·vec·tion (kn-vkshn)
n.
1. Heat transfer in a gas or liquid by the circulation of currents from one region to another.
2. Fluid motion caused by an external force such as gravity.
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.
convection
the act of conveying or transmission; specifically, transmission of heat in a liquid or gas by circulation of heated particles.


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This primary structure carries purlins and rafters in the normal way, with the rafters strutted at the same angle as the struts on the tied portals, creating in effect an inverted ridge that acts as a continuous lantern because, above it, the real ridge is defined by a motorized greenhouse glazing system that can be thrown open on hot days to encourage cooling convection currents.
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But on top of this essentially humdrum parti are swooping glass roofs that can both capture solar energy and use it to generate convection currents to ventilate the spaces.
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