Indirect circulating systems circulate a non-freezing heat-transfer fluid through a heat exchanger that warms the water, making them ideal for environments prone to freezing. Passive solar water ...

In Africa, where many regions benefit from plentiful sunshine throughout the year, solar water heating is a no-brainer.

The experimental system utilizes passive ... solar PV panels,” the academics concluded. “This pilot study can also be provisioned with a heat collecting system from water to form a PV-T ...

A research team at Korea University has created a passive cooling ... The water desorption-driven endothermic reaction (WD-ER) cooling system can absorb heat from solar radiation and desorb ...