Passive Loop - Intended for the cooling of technical shelters

The passive air conditioning systems has been developed to grant, to the equipments they serve, an optimal working temperature by leveling the peak temperatures inside the shelter.

ECONOMICAL - they requiere no source of energy
LONG LASTING - they requiere no maintenance
RELIABLE - no mechanical part in movement, closed circuit.

The passive cooling loop requieres no equipment, it contains a coolant which provides all the functions for a heat exchange. It can only be used in regions with large diurnal temperature range. During the day the heat generated by the equipment is stored in the internal exchanger, later they are discharged through the external exchanger. This heat transfer takes place through the water contained in heat exchangers and used as coolant.
The operating system is induced by the physical laws of thermodynamics. Indeed, the movement is due to the difference in weight between the fluid outside (heavy, chilled overnight) and that of the interior (warm light). The combination of the temperature variation, the liquid weight and volume variations generated provides a natural circulation of fluid in the loop.

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