Solar energy circulation system set up

A forced circulation solar system is a solar thermal installation in which water circulates within the circuit driven by a pump. Unlike solar installations with a thermosiphon, this system does not move hot water to the highest point of the closed circuit, but rather makes it go down from the solar collectors to where the storage tank is located.

Solar thermal energy installations with forced circulation have the following elements: Solar collectors are responsible for transforming solar radiation into thermal energy.

Flow regulator, which will allow the circuit flow to be adjusted. Filter, which will guarantee the durability of the circuit elements. Forced circulation systems are solar thermal energy installations in which a water pump is needed to circulate water.

In these solar thermal systems, the water that circulates between the solar collectors and the accumulator cannot do so by natural convection since the hottest water is already at its highest point. To do this, you will need a conventional water pump and, therefore, an external electrical power source.

We need energy – electrical or thermal – but commonly where and when it is not available. Most of the countries, except those above latitude 45°N or below latitude 45°S, are subject to an annual average solar irradiation flux in excess of 1.6 MW h/m 2, with peaks of solar energy recorded in some “hot” spots of the Globe, mostly in deserts .

This renewable energy system is required in underfloor heating systems. In these solar thermal systems, the water that circulates between the solar collectors and the accumulator cannot do so by natural convection since the hottest water is already at its highest point.