control system

[EN 12792:2003, 84]:arrangement of elements interconnected and interacting in such a way as to maintain or influence in a prescribed manner specified conditions.

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convection

[AIVC, Air infiltration and ventilation glossary, 1992]:transference of heat through a liquid or gas by the actual movement of the fluid. Portions in contact with the source of heat become hotter, expand, become less dense, and rise: their place is Continue reading →