Heat absorption and radiation system

A heat absorption and radiation system that is configured to use a liquid heat medium obtained by mixing a rubidium-manganese-iron cyano complex into a liquid, the heat absorption and radiation system comprising:

• a circulation passage;
• a pump configured to circulate the liquid heat medium in the circulation passage;
• a valve configured to open and close the circulation passage on an upstream side of the pump;
• a pressurizing device configured to pressurize, on a downstream side of the pump, the liquid heat medium present on an upstream side of the valve in the circulation passage, and
• a processor that is configured to control the circulating passage, the pump, the valve and the pressurizing device in order to:
• release heat from the liquid heat medium by applying a pressure to the liquid heat medium and causing phase transition of the rubidium-manganese-iron cyano complex from a high-temperature phase to a low-temperature phase,
• absorb heat into the liquid heat medium by releasing the pressure applied to the liquid heat medium and causing phase transition of the rubidium-manganese-iron cyano complex from the low-temperature phase to the high-temperature phase, and
• repeat application of the pressure to and release of the pressure from the liquid heat medium.